Evaluate the following expression. Your answer must be in exact form.pdf
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Evaluate the following expression. Your answer must be in exact form: for example, type pi/6 for pi/6 or DNE if the expression is undefined. arcsin(sin(-pi/2)) = Solution ANS: As sin has a period of 2pi so bringing -pi/2 to the principal period of (0,2pi) we add 2pi to it. So, -pi/2 + 2pi = 3pi/2 sin(3pi/2) = -1 So the question is arc sine(-1) which is 3pi/2. Also for any angle x, arc sine (sin (x)) = x..
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help with 13. please Where are the photosynthetic pigments in Gre.pdf
help with 13. please Where are the photosynthetic pigments in Green sulfur bacteria? A.
Chlorosomes B. Chromatophores C. Chloroplasts D. phycobilisomes In cyanobacterial
anoxygenic photosynthesis where is the electron donated? A. PSI B. PSII C. Either PSI or PSII
D. Q E. NAD(P)^+ If cyanobacteria are photosynthesizing with sulfide, what is the byproduct?
A. water B. oxygen C. elemental sulfur D. ATP E. NAD(P)^+ Tube worms in deep sea
hydrothermal vent communities have no mouth or anus. How do they survive? A. even though
they are eukaryotes they can do chemolithotrophy B. endosymbiotic chemolithotrophs in their
trophosome C. endosymbiotic Chemolithotrophs in their gills D. Oxygen and sulfide can
diffuse in their skin E. both A and D Bioluminescent vibrio species use oxygen: A. to support
aerobic respiration B. to produce light C. for luciferase D. all of the above In the
Agrobacterium/plant symbiosis the Ti plasmid carries genes for opine catabolism and for opine
synthesis. Where are the genes expressed? A. opine synthesis in Agrobaterium, opine catabolism
in the plant B. opine catabolism in Agrobacterium, opine synthesis in the plant C. in both
Agrobacterium and in the plant D. only in the plant E. only in Agrobacterium E. colic has a
branched electron transport chain ending in what terminal electron acceptor(s)? A. oxygen B.
nitrate C. both A and B D. none of th eabove In the above question where is the branch? A. the
cytoplasm B. NADH C. after the Q cycle D. the terminal acceptor Phosphoadenosine
phosphosulfate is required for: A. assimilatory sulfate reduction B. dissimilatory sulfate
reduction D. dissimilatory nitrate reduction Why is APS formed? A. the phosphate group
activates sulfate B. APS reduces sulfate C. it is a byproduct D. to be an electron donor
Solution
Correct answer: A) PSI
Anoxygenic photosynthesis takes place in some cyanobacteria. PSII produce oxygen by
photolysis. So it is absent.
NAD(P) cannot act as a electron acceptor in photosynthesis..
How important is UNIX® to the Internet Explain why and support your.pdf
How important is UNIX® to the Internet? Explain why and support your position using
examples.
Solution
Ans. Importance of UNIX to internet:
A lot of web applications are built for UNIX OS. These applications serve only to UNIX
platform. These applications have static and dynamic content and UNIX OS does that very well.
Many ofthese applications can ne built to run on Windows too but it has a virus issue. Windows
can cause many viruses whereas there is no virus when it come to UNIX OS.
For example, APACHE server runs on both UNIX and WIndows but it finds its application more
on UNIX due to absence of viruses there..
give an example of a strength and weakness of the accounting rate of.pdf
give an example of a strength and weakness of the accounting rate of return approach
Solution
weakness : It ignores the time value of money or discounted cash flows , salvage value and life
of investment.The longer life investment may have same Accounting rate of return as shorter life
investment has.
Strenght : Accounting rate of return is based on accounting profits rather than the cash flows.
Calculating accounting profit is more simplier than calculating cash flow.
Find an example infectious disease for each of the term(s) or concept.pdf
Find an example infectious disease for each of the term(s) or concept(s) below. Give the name
of the disease and its causal agent and whether it is viral (v) bacterial (B) fungal (F),
protozoan(P) or helminthic(H). All of the diseases must be infectious diseases. Concerning
epidemics - give an example of a disease that has a common source. Concerning epidemics -
give an example of a disease that has a propagated source. Give an example of a notifiable viral
infectious disease. Give an example of a disease with a seasonal occurrence. Why is it seasonal?
Solution
Answer:
12. Concerning epidemics – give an example of a disease that has a common source
Answer: In common source epidemic breakouts, the duration of exposure is brief and it is caused
when a group of persons are all exposed to a toxic agent which has a common source.
Example of common source infectious disease is botulism which is caused by a toxin
(botulinum) produced by Clostridium botulinum bacteria. Common source in botulism could
include infected homemade, preserved or fermented food.
13. Concerning epidemics – give an example of a disease that has a propagated source
Answer: Propagated epidemic outbreak occurs by transmission of disease from one person to
another. Example of a propagated source epidemic breakout is Measles which is a highly
contagious infectious disease caused by the measles virus.
14. Give an example of a notifiable viral infectious disease
Answer: A notifiable viral infectious disease is the one that is required to be reported to
government authorities as per the prevailing law. Example Anthrax which is caused by bacterium
Bacillus anthracis
15. Give an example of a disease with a seasonal occurrence. Why is it seasonal?
Answer: In case of seasonal diseases there is a periodic surge in the incidence rate of disease in a
particular season. Example: Influenza (caused by Influenza virus) outbreaks occur seasonally
with peak prevalence in winter which can be attributed to longer survival times and higher
aerosol transmission of the influenza virus in cold temperature conditions..
did enzyme denaturing affect the active site what amino acid residu.pdf
did enzyme denaturing affect the active site? what amino acid residue in catalase would change
by more basic PH ? show reaction of residue with sodium hydroxide?
Solution
Amino acid consists of NH2 and COOH groups.
In acidic condition, the NH2 group will acquire a proton(H+) to form NH3+ whereas the COOH
group remains unchanged.
In alkaline condition ( in sodium hydroxide), the COOH group becomes COO- Na+ whereas the
NH2 group remains unchanged.
This applies to all amino acids..
Describe andor draw the lymphatic system from capillariesto the mai.pdf
Describe and/or draw the lymphatic system from capillariesto the main lymphatic ducts; include
the specializedintestinal lymphatic drainage; explain what chyle is, whereit comes from and why
it can only collect in the leftchest, not right, after chest trauma.
Solution
Lymphatic system:
Explain what chyle is, whereit comes from and why it can only collect in the leftchest, not right,
after chest trauma.
Lymph from the intestinal trunk, referred to as chyle, drains into the lower end of the thoracic
duct. Whenever there is trauma to the thoracic, it may cause a leak in the thoracic duct, and
effuse se the chyle lymphatic fluid in the pleural space. Chyle appears in the left side because
drainage from all parts of the body except the upper quadrant is collected into the thoracic which
is on the left side. Pain is also therefore experienced only on the left, not the right side..
Consider the sulfur trioxide (SO3) molecule. What is the central atom.pdf
Consider the sulfur trioxide (SO3) molecule. What is the central atom? Enter its chemical
symbol. How many lone pairs are around the central atom?I What is the ideal angle between the
sulfur-oxygen bonds? Compared to the ideal angle, you would expect the actual angle between
the sulfur-oxygen bonds to be V (choose one) about the same bigger smaller
Solution
Ans 1 : Central atom is sulphur. S is the symbol.
Ans 2 : Zero lone pairs around the sulphur.
Ans 3 : 120 o.
Ans 4: about the same..
What are this companys dividends per share for 2017Income State.pdf
What are this company\'s dividends per share for 2017?
Income Statement ($000s) Balance Sheet ($000s)
2017 2016 2017
2016
Revenues $ 200 $175 Cash $ 10 $150
Cost of Goods Sold 110 100 Accounts Receivable 30
40
Operating Expenses 30 28 Inventory 20 40
Interest Expense 20 12 Plant, Property, Equipment 180 200
Net Income 40 35 Total Assets $ 240
$430
Dividends 20 20 Accounts Payable $ 15 $ 25
Bank Debt Due in 6 Months 15 50
Long term Debt 80 245
Common Stock 60 60
Retained Earnings 70 50
Total Liabilities & Equity $ 240
$430
The company has 1,000,000 shares of common stock authorized, 500,000 shares issued, and
200,000 outstanding as of both 12/31/2017 and 12/31/2016.$1.00
Solution
The company\'s dividends per share for 2017 is $0.10 which is calculated as below:-
Dividend per share = (Common Dividends / Common Shares Outstanding)
= (20,000 / 200,000) = $0.10.
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help with 13. please Where are the photosynthetic pigments in Gre.pdf
help with 13. please Where are the photosynthetic pigments in Green sulfur bacteria? A.
Chlorosomes B. Chromatophores C. Chloroplasts D. phycobilisomes In cyanobacterial
anoxygenic photosynthesis where is the electron donated? A. PSI B. PSII C. Either PSI or PSII
D. Q E. NAD(P)^+ If cyanobacteria are photosynthesizing with sulfide, what is the byproduct?
A. water B. oxygen C. elemental sulfur D. ATP E. NAD(P)^+ Tube worms in deep sea
hydrothermal vent communities have no mouth or anus. How do they survive? A. even though
they are eukaryotes they can do chemolithotrophy B. endosymbiotic chemolithotrophs in their
trophosome C. endosymbiotic Chemolithotrophs in their gills D. Oxygen and sulfide can
diffuse in their skin E. both A and D Bioluminescent vibrio species use oxygen: A. to support
aerobic respiration B. to produce light C. for luciferase D. all of the above In the
Agrobacterium/plant symbiosis the Ti plasmid carries genes for opine catabolism and for opine
synthesis. Where are the genes expressed? A. opine synthesis in Agrobaterium, opine catabolism
in the plant B. opine catabolism in Agrobacterium, opine synthesis in the plant C. in both
Agrobacterium and in the plant D. only in the plant E. only in Agrobacterium E. colic has a
branched electron transport chain ending in what terminal electron acceptor(s)? A. oxygen B.
nitrate C. both A and B D. none of th eabove In the above question where is the branch? A. the
cytoplasm B. NADH C. after the Q cycle D. the terminal acceptor Phosphoadenosine
phosphosulfate is required for: A. assimilatory sulfate reduction B. dissimilatory sulfate
reduction D. dissimilatory nitrate reduction Why is APS formed? A. the phosphate group
activates sulfate B. APS reduces sulfate C. it is a byproduct D. to be an electron donor
Solution
Correct answer: A) PSI
Anoxygenic photosynthesis takes place in some cyanobacteria. PSII produce oxygen by
photolysis. So it is absent.
NAD(P) cannot act as a electron acceptor in photosynthesis..
How important is UNIX® to the Internet Explain why and support your.pdf
How important is UNIX® to the Internet? Explain why and support your position using
examples.
Solution
Ans. Importance of UNIX to internet:
A lot of web applications are built for UNIX OS. These applications serve only to UNIX
platform. These applications have static and dynamic content and UNIX OS does that very well.
Many ofthese applications can ne built to run on Windows too but it has a virus issue. Windows
can cause many viruses whereas there is no virus when it come to UNIX OS.
For example, APACHE server runs on both UNIX and WIndows but it finds its application more
on UNIX due to absence of viruses there..
give an example of a strength and weakness of the accounting rate of.pdf
give an example of a strength and weakness of the accounting rate of return approach
Solution
weakness : It ignores the time value of money or discounted cash flows , salvage value and life
of investment.The longer life investment may have same Accounting rate of return as shorter life
investment has.
Strenght : Accounting rate of return is based on accounting profits rather than the cash flows.
Calculating accounting profit is more simplier than calculating cash flow.
Find an example infectious disease for each of the term(s) or concept.pdf
Find an example infectious disease for each of the term(s) or concept(s) below. Give the name
of the disease and its causal agent and whether it is viral (v) bacterial (B) fungal (F),
protozoan(P) or helminthic(H). All of the diseases must be infectious diseases. Concerning
epidemics - give an example of a disease that has a common source. Concerning epidemics -
give an example of a disease that has a propagated source. Give an example of a notifiable viral
infectious disease. Give an example of a disease with a seasonal occurrence. Why is it seasonal?
Solution
Answer:
12. Concerning epidemics – give an example of a disease that has a common source
Answer: In common source epidemic breakouts, the duration of exposure is brief and it is caused
when a group of persons are all exposed to a toxic agent which has a common source.
Example of common source infectious disease is botulism which is caused by a toxin
(botulinum) produced by Clostridium botulinum bacteria. Common source in botulism could
include infected homemade, preserved or fermented food.
13. Concerning epidemics – give an example of a disease that has a propagated source
Answer: Propagated epidemic outbreak occurs by transmission of disease from one person to
another. Example of a propagated source epidemic breakout is Measles which is a highly
contagious infectious disease caused by the measles virus.
14. Give an example of a notifiable viral infectious disease
Answer: A notifiable viral infectious disease is the one that is required to be reported to
government authorities as per the prevailing law. Example Anthrax which is caused by bacterium
Bacillus anthracis
15. Give an example of a disease with a seasonal occurrence. Why is it seasonal?
Answer: In case of seasonal diseases there is a periodic surge in the incidence rate of disease in a
particular season. Example: Influenza (caused by Influenza virus) outbreaks occur seasonally
with peak prevalence in winter which can be attributed to longer survival times and higher
aerosol transmission of the influenza virus in cold temperature conditions..
did enzyme denaturing affect the active site what amino acid residu.pdf
did enzyme denaturing affect the active site? what amino acid residue in catalase would change
by more basic PH ? show reaction of residue with sodium hydroxide?
Solution
Amino acid consists of NH2 and COOH groups.
In acidic condition, the NH2 group will acquire a proton(H+) to form NH3+ whereas the COOH
group remains unchanged.
In alkaline condition ( in sodium hydroxide), the COOH group becomes COO- Na+ whereas the
NH2 group remains unchanged.
This applies to all amino acids..
Describe andor draw the lymphatic system from capillariesto the mai.pdf
Describe and/or draw the lymphatic system from capillariesto the main lymphatic ducts; include
the specializedintestinal lymphatic drainage; explain what chyle is, whereit comes from and why
it can only collect in the leftchest, not right, after chest trauma.
Solution
Lymphatic system:
Explain what chyle is, whereit comes from and why it can only collect in the leftchest, not right,
after chest trauma.
Lymph from the intestinal trunk, referred to as chyle, drains into the lower end of the thoracic
duct. Whenever there is trauma to the thoracic, it may cause a leak in the thoracic duct, and
effuse se the chyle lymphatic fluid in the pleural space. Chyle appears in the left side because
drainage from all parts of the body except the upper quadrant is collected into the thoracic which
is on the left side. Pain is also therefore experienced only on the left, not the right side..
Consider the sulfur trioxide (SO3) molecule. What is the central atom.pdf
Consider the sulfur trioxide (SO3) molecule. What is the central atom? Enter its chemical
symbol. How many lone pairs are around the central atom?I What is the ideal angle between the
sulfur-oxygen bonds? Compared to the ideal angle, you would expect the actual angle between
the sulfur-oxygen bonds to be V (choose one) about the same bigger smaller
Solution
Ans 1 : Central atom is sulphur. S is the symbol.
Ans 2 : Zero lone pairs around the sulphur.
Ans 3 : 120 o.
Ans 4: about the same..
What are this companys dividends per share for 2017Income State.pdf
What are this company\'s dividends per share for 2017?
Income Statement ($000s) Balance Sheet ($000s)
2017 2016 2017
2016
Revenues $ 200 $175 Cash $ 10 $150
Cost of Goods Sold 110 100 Accounts Receivable 30
40
Operating Expenses 30 28 Inventory 20 40
Interest Expense 20 12 Plant, Property, Equipment 180 200
Net Income 40 35 Total Assets $ 240
$430
Dividends 20 20 Accounts Payable $ 15 $ 25
Bank Debt Due in 6 Months 15 50
Long term Debt 80 245
Common Stock 60 60
Retained Earnings 70 50
Total Liabilities & Equity $ 240
$430
The company has 1,000,000 shares of common stock authorized, 500,000 shares issued, and
200,000 outstanding as of both 12/31/2017 and 12/31/2016.$1.00
Solution
The company\'s dividends per share for 2017 is $0.10 which is calculated as below:-
Dividend per share = (Common Dividends / Common Shares Outstanding)
= (20,000 / 200,000) = $0.10.
Why wont my code run I want to inherit everything from sailb.h cl.pdf
Why won\'t my code run? I want to inherit everything from sailb.h class (base) into raceb.h class
(derived) and in main I want to set a raceb member variable equal to one of sailb member
variables but it does not work. language is c++
////////////////////////////////////Base Class////////////////////////////////////////
#ifndef sailb_h
#define sailb_h
#include
using namespace std;
class sailb {
public:
sailb();
double setWindSpeed(); //modifier
double getWindSpeed(); //accessor
private:
double windSpeed;
};
#endif
////////////////////////////////derived class/////////////////////////////////////////////////////////////////
#ifndef raceb_h
#define raceb_h
#include \"sailb.h\"
class raceb: public sailb {
public:
raceb();
void setDownWind();
double getDownWind();
p rivate:
double downWindSpeed;
};
#endif
///////////////main.cpp/////////////////////////////////////////////////////////////////////////////////////
#include
#include
#include \"sailb.h\"
#include \"raceb.h\"
using namespace std;
sailb::sailb() {windSpeed = 0;}
raceb::raceb() {}
void sailb::setWindSpeed() {
cout << \"What is the speed of the wind in knots.\ \";
cin >> windSpeed;
}
double sailb::getWindSpeed() {
return windSpeed;
}
void raceb::setDownWind() {
downWindSpeed = getWindSpeed();
}
double raceb::getDownWind() {
return downWindSpeed;
}
int main() {
sailb s;
s.setWindSpeed();
raceb r;
r.setDownWind();
cout << r.getDownWind();
///////// Output = 0. So the windSpeed is being set to the default windspeed, but i want it to be set
to the speed that the user inputs.
Solution
You are creating two different objects. Both of the objects share different memory locations. To
make it work what you are trying to achieve just use one object of derived class. Main function
will look like:
int main() {
raceb r;
r.setWindSpeed();
r.setDownWind();
cout << r.getDownWind();
return 0;
}
-----------
One more error I saw is you have defined the prototype of \"setWindSpeed();\" as \"double\".
Make it void. For example:
class sailb {
public:
sailb();
void setWindSpeed(); / <------------------ it was double in your code
double getWindSpeed(); //accessor
private:
double windSpeed;
};.
Which statement is trueA.The main goal of work teams is to share .pdf
Which statement is true?
A.The main goal of work teams is to share information.
B.The main goal of work groups is collective performance.
C.The main goal of work groups is synergy.
D.The main goal of work teams is collective performance.
Solution
Correct answer is option (D)
Work teams aim at the goal ofcollective performance, use complementary skill and work with
accountability..
When developing a new software we should take into account how to cr.pdf
When developing a new software we should take into account how to create a specific \"Look
and Feel\" per customer, What are the advantages of using Java GUI ?
Solution
Advantages of Java GUI:
1. It makes the navigation through the software very simple as compared to text based I/O.
2. Users dont have to remember the commands since interactive buttons and components are
available for input.
3. Allows for increased usage of the software by users because of the graphical interface.
4. Java provides most of the input components through Awt which can be used for varied
purposes.
5. Easy and neat alignment of components on the screen.
6. GUIs also offer efficient interaction with human-interface devices such as keyboards, mice
and touchscreens..
What impact did Pythagoras have on EuclidSolutionPythagorasP.pdf
What impact did Pythagoras have on Euclid?
Solution
Pythagoras
Probably the most famous name during the development of Greek geometry is Pythagoras, even
if only for the famous law concerning right angled triangles. This mathematician lived in a secret
society which took on a semi-religious mission. From this, the Pythagoreans developed a number
of ideas and began to develop trigonometry. The Pythagoreans added a few new axioms to the
store of geometrical knowledge.
1)The sum of the internal angles of a triangle equals two right angles 180*.
2)The sum of the external angles of a triangle equals four right angles 360*
3)The sum of the interior angles of any polygon equals 2n-4 right angles, where n is the number
of sides.
4)The sum of the exterior angles of a polygon equals four right angles, however many sides.
5)The three polygons, the triangle, hexagon, and square completely fill the space around a point
on a plane - six triangles, four squares and three hexagons. In other words, you can tile an area
with these three shapes, without leaving gaps or having overlaps.
6)For a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of
the other two sides.
Most of these rules are instantly familiar to most students, as basic principles of geometry and
trigonometry. One of his pupils, Hippocrates, took the development of geometry further. He was
the first to start using geometrical techniques in other areas of maths, such as solving quadratic
equations, and he even began to study the process of integration. He solved the problem of
Squaring a Lune and showed that the ratio of the areas of two circles equalled the ratio between
the squares of the radii of the circles.
Euclid
Alongside Pythagoras, Euclid is a very famous name in the history of Greek geometry. He
gathered the work of all of the earlier mathematicians and created his landmark work, \'The
Elements,\' surely one of the most published books of all time. In this work, Euclid set out the
approach for geometry and pure mathematics generally, proposing that all mathematical
statements should be proved through reasoning and that no empirical measurements were
needed. This idea of proof still dominates pure mathematics in the modern world.
The reason that Euclid was so influential is that his work is more than just an explanation of
geometry or even of mathematics. The way in which he used logic and demanded proof for every
theorem shaped the ideas of western philosophers right up until the present day. Great
philosopher mathematicians such as Descartes and Newton presented their philosophical works
using Euclid\'s structure and format, moving from simple first principles to complicated
concepts. Abraham Lincoln was a fan, and the US Declaration of Independence used Euclid\'s
axiomatic system.
Apart from the Elements, Euclid also wrote works about astronomy, mirrors, optics, perspective
and music theory, although many of his works are lost to posterity. Certainl.
Tic Tac Toe game with GUI please dont copy and paste from google. .pdf
Tic Tac Toe game with GUI please don\'t copy and paste from google. I really need the help.
Solution
Answer:
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class TicTacToe extends JPanel
{
JButton buttons[] = new JButton[9];
int alternate = 0;//if this number is a even, then put a X. If it\'s odd, then put an O
public TicTacToe()
{
setLayout(new GridLayout(3,3));
initializebuttons();
}
public void initializebuttons()
{
for(int i = 0; i <= 8; i++)
{
buttons[i] = new JButton();
buttons[i].setText(\"\");
buttons[i].addActionListener(new buttonListener());
add(buttons[i]); //adds this button to JPanel (note: no need for JPanel.add(...)
//because this whole class is a JPanel already
}
}
public void resetButtons()
{
for(int i = 0; i <= 8; i++)
{
buttons[i].setText(\"\");
}
}
// when a button is clicked, it generates an ActionEvent. Thus, each button needs an
ActionListener. When it is clicked, it goes to this listener class that I have created and goes to the
actionPerformed method. There (and in this class), we decide what we want to do.
private class buttonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
JButton buttonClicked = (JButton)e.getSource(); //get the particular button that was clicked
if(alternate%2 == 0)
buttonClicked.setText(\"X\");
else
buttonClicked.setText(\"O\");
if(checkForWin() == true)
{
JOptionPane.showConfirmDialog(null, \"Game Over.\");
resetButtons();
}
alternate++;
}
public boolean checkForWin()
{
/** Reference: the button array is arranged like this as the board
* 0 | 1 | 2
* 3 | 4 | 5
* 6 | 7 | 8
*/
//horizontal win check
if( checkAdjacent(0,1) && checkAdjacent(1,2) ) //no need to put \" == true\" because the
default check is for true
return true;
else if( checkAdjacent(3,4) && checkAdjacent(4,5) )
return true;
else if ( checkAdjacent(6,7) && checkAdjacent(7,8))
return true;
//vertical win check
else if ( checkAdjacent(0,3) && checkAdjacent(3,6))
return true;
else if ( checkAdjacent(1,4) && checkAdjacent(4,7))
return true;
else if ( checkAdjacent(2,5) && checkAdjacent(5,8))
return true;
//diagonal win check
else if ( checkAdjacent(0,4) && checkAdjacent(4,8))
return true;
else if ( checkAdjacent(2,4) && checkAdjacent(4,6))
return true;
else
return false;
}
public boolean checkAdjacent(int a, int b)
{
if ( buttons[a].getText().equals(buttons[b].getText()) && !buttons[a].getText().equals(\"\") )
return true;
else
return false;
}
}
public static void main(String[] args)
{
JFrame window = new JFrame(\"Tic-Tac-Toe\");
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.getContentPane().add(new TicTacToe());
window.setBounds(300,200,300,300);
window.setVisible(true);
}
}.
This is a U.S History questionThe 911 hijackers used fully-loade.pdf
This is a U.S History question:
The 9/11 hijackers used fully-loaded airliners as weapons of war. Analyze the impact of 9/11 and
terrorism on aviation in America. What have been the social, political, and economic effects of
terrorism on commercial air travel and general aviation?
Solution
Air Space Closed: On September 10, 2001, US airports handled 38,047 flights. On September
12, they handled 252 commercial flights. One week later (September 18) there were 34,743
flights.1
• Passenger Traffic: US passenger traffic, measured by revenue passenger kilometers (number of
travelers multiplied by the distance traveled) declined 5.9% in 20012 (compared to 2000) and a
further 1.4% in 2002. Airlines struggled to match this decline by cutting capacity (available seat
kilometers or number of seats multiplied by distance traveled) by 2.8% in 2001 and a further
3.9% in 2002. This was the first time since World War II that industry capacity declined for two
consecutive years. After stabilizing in 2003, capacity growth resumed in 2004 and continued
until 2008, when it declined again owing to soaring oil prices and the global financial crisis.
Capacity fell further in 2009, returning virtually to 2000 levels. Between 2000 and 2009, the US
commercial aircraft fleet shrank by around 700 units.
In addition to the casualties and physical destruction directly
caused by their attacks, terrorists seek to inflict wider psychological,
social, political, and economic damage upon the
societies they target.
Terrorists can hope to harm economies in various indirect
ways. These include:
Reducing consumers’ and firms’ expectations for the future
Forcing governments and the private sector to invest in
security measures, which reduce efficiency in vulnerable
industries (such as transportation and trade) and redirect
investment away from more productive economic uses
Altering behavior by inducing economic actors (consumers,
investors, businesses) to avoid areas of perceived
risk (either sectors, such as aviation or tourism, or geographic
areas affected by terrorism)
Triggering wider geopolitical conflict, which may cause
further economic disruptions
This paper examines the actual macroeconomic.
The PCAOB and SOX were created in 2002 and yet accounting frauds occ.pdf
The PCAOB and SOX were created in 2002 and yet accounting frauds occured, does that mean
that SOX and the PCAOB are a failure? Why or why not?
Solution
SOX- Sarbanes Oxley Act was made in 2002 to protect the investors from fraud after the Enron
scandal.
PCAOB- This is \"Public company accounting oversight board\", created by SOX to protect the
investors\' interest and also to analyze the audits of public companies. It is a not for profit
organization and its main motive is to minimize the risk and provide protection.
These laws were created for betterment and safety of people and companies but somehow and
somewhere, these acts failed because of the following reasons:.
The main purpose of welfare is to provide incomes O A. for people who.pdf
The main purpose of welfare is to provide incomes O A. for people who do not qualify for social
security or unemployment compensation O B. to the surviving spouses or children of retirees or
workers injured on the job O C. to unemployed workers O D. to retired or disabled workers
Click to select your answer APPLY Chapter 7 Chech port Problems and Muitiple Choice
APPLY Chapter 8 Checkpoint Problems and Multiple Choice Quiz
Solution
The main purpose of welfare is for people who do not qualify for social security or
unemployment compensation.
The following is the sample code for multithreading. Run it and expl.pdf
The following is the sample code for multithreading. Run it and explain how it works. Pick up
one of the programs that you generated so far (for any assignment, not limited to CPM4100), and
modify it into multithreaded version.
Solution
Example code for multithreading is
Multithreading is to provide simultaneous execution of two or more parts of a program to utilize
the CPU time is the main theam of Multithreading above program best example for
Multithreading..
A quantity of HI was sealed in a tube, heated to 425C, and held at t.pdf
A quantity of HI was sealed in a tube, heated to 425C, and held at this temperature until
equilibrium is reached. The concentration of HI in the tube at equilibrium was found to be
0.0706 moles/liter. Calculate the equilibrium concentration of H2 (and I2 ). For the reaction H2
(g) + I2 (g) 2HI(g), Kc = 54.6 at 425C.
I don\'t know how to work this without the initial [HI]. Please explain the answer.
Solution
Kc=[2HI]^2/[I2][H2]
BUT [I2]=[H2]
=>54.6=0.0706^2/[h2]^2
[H2]^2=9.128*10^-5
[H2]=[I2]=SQRT9.128*10^-5
=9.55*10^-3MOLES/LITRE.
a higher GDP means that the U.S. either produced more goods and serv.pdf
a higher GDP means that the U.S. either produced more goods and services, or
Solution
or
there is a higher income which will lead to rise in expenditure which implies that there is a rise in
the standard of living of the citizens and due to rise in income there will be a higher spending on
various goods and services..
All EXCEPT which of the following are stages of mitosis a) S ph.pdf
All EXCEPT which of the following are stages of mitosis? a) S phase b) Telophase c)
Prophase d) Metaphase Cytokinesis is a part of ___. a) M phase b) mitosis c) metaphase d)
Interphase e) diplotene A startup cell culture contains 1 cell. How many cells will this culture
contain after 5 rounds of mitotic cell division? a) 2 b) 5 c) 16 d) 32 e) 160 Somatic cells of an
organism contain 2n=4 chromosomes After M phase is completed, the daughter cells will contain
a) 2n=16 b) 4n=8 c) 2n=4 d) 2n=8 e) 1n=4 During S phase of the cell cycle, ___. A) DNA
recombines B) RNA replicates C) DNA content essentially doubles D) sister chromatids move
to opposite poles E) the nuclear membrane disappears The structure responsible for
organization of the mitotic spindle is called: a) centrosome b) centromere c) centrifuge d)
chromosome e) anaphase How many haploid sets of chromosomes are present in a diploid cell
with 12 chromosomes? a) 2 b) 6 c) 12 d) 24 e) 48
Solution
1.S Phase
2.M Phase
3.32(each cell produces 2 daughter cells)
4.2n=4
5.sister chromatids move to opposite sides.
6.centrosome
7.6 chromosomes(Haploid number (n) of a chromosome is one half the diploid number. ).
5. A water sample with a total alkalinity of 2.00 x 10 molesL has .pdf
5. A water sample with a total alkalinity of 2.00 x 10 moles/L has a pH of 7.00. Compute the
equilibrium concentrations of CO2, HCOs , co,, and OH Note that water and carbon dioxide can
replace carbonic acid in the Kai reaction without changing the value of Kal H2O + CO2 H+ +
HCO, Ka1 = 4.5 x 10-7
Solution
The equilibrim equations involved are:
H2O +CO2 <---->H+ +HCO3- ka1=4.5*10^-7
HCO3- <--->CO32- +H+ ka2=4.8*10^-11
Also given, pH=-log [H+]=7.0
[H+]=10^-7 M ...........(a)
[OH-]=kw/[H+]=10^-14/[H+]=10^-14.............(b)
pH=pka +log [base]/[acid] [henderson-hasselbach equation]
pka2=-log ka2=-log(4.8*10^-11)=10.3
7.0=10.3 +log[CO32-]/[HCO3-]
or, [CO32-]/[HCO3-]=5.012e-4.
or,[CO32-]=(5.012e-4.)[HCO3-]..................(1)
Also, H2O +CO2 <---->H+ +HCO3- ka1=4.5*10^-7=[H+][HCO3-]/[CO2]
for x=[H+]=[HCO3-] (at equilibrium)
[CO2]=[CO2]o-x , [CO2]o=initial concentration,but x is very less for very less dissociation ( ka1
is very small)
[CO2]eq=[CO2]o
4.5*10^-7=[H+][HCO3-]/[CO2]=x^2/[CO2]
or,[CO2]eq=x^2/(4.5*10^-7)=[HCO3-]eq/(4.5*10^-7)
[CO2]eq=[HCO3-]eq^2/(4.5*10^-7) ...................(2)
total alkalnity=[HCO3-] +2[CO32-] +[OH-] -[H+]=2.0*10^-3 mol/L
plugging in eqn (a),(b),(1) & (2) in the equation for total alkalinity,
total alkalnity=[HCO3-] +2(5.012e-4.)[HCO3-]. =2.0*10^-3 mol/L
or, [HCO3-]=1.997*10^-3 mol/L
[CO32-]eq=(5.012e-4.)[HCO3-].=(5.012e-4.)(2.0*10^-3 mol/L)=1.002*10^-6 mol/l
[H+]eq=[OH-]eq=10^-7 mol/L
[CO2]=[HCO3-]eq^2/(4.5*10^-7) =(1.997*10^-3 mol/L)^2/(4.5*10^-7)=8.862 mol/L
[CO2]eq=8.862*10^3 mol/L.
21 Elucidate three different pathways for targeting proteins to the.pdf
21: Elucidate three different pathways for targeting proteins to the mitochondrial inner
membrane.
NOTE: PLEASE CITE SOURCES
Solution
Answer:
Protein translocation across mitochondrial membranes is mediated by multi-subunit protein
complexes that function as protein translocators:
1. TOM complex: functions across the outer membrane
2. TIM23 and TIM22 complexes: function across the inner membrane
3. OXA complex
TOM and TIM stand for translocase of the outer and inner mitochondrial membranes,
respectively. These complexes contain some components that act as receptors for mitochondrial
precursor proteins and other components that form the translocation channel.
The TOM complex is required for the import of all nucleus-encoded mitochondrial proteins. It
initially transports their signal sequences into the intermembrane space and helps to insert
transmembrane proteins into the outer membrane. The TIM23 complex then transports some of
these proteins into the matrix space, while helping to insert transmembrane proteins into the
inner membrane.
The TIM22 complex mediates the insertion of a subclass of inner membrane proteins, including
the carrier protein that transports ADP, ATP, and phosphate.
A third protein translocator in the inner mitochondrial membrane, the OXA complex, mediates
the insertion of inner membrane proteins that are synthesized within the mitochondria. It also
helps to insert some proteins that are initially transported into the matrix by the TOM and TIM
complexes.
Citations:
1. Stefan A. Paschen and Walter Neuper. Protein Import Into Mitochondria. IUBMB Life, 52:
101–11 (2001)
2. Dejana Mokranjac and Walter Neupert. The many faces of the mitochondrial TIM23 complex.
Biochimica et Biophysica Acta. 1797, 1045–1054 (2010).
The DOS Rename command allows file suffixes to be changed so that re.pdf
The DOS Rename command allows file suffixes to be changed so that: ren cpp changes all files
with suffixes .c to the the name with suffix.cpp. So a c is renamed a cpp, b.c is renamed
b.ccp...for all files in the path Write a bash shell script that takes the destination path
(directory)dest as an optional parameter and renames all files in dest or current directory with old
extension to new extension. The format IS: proj3 dest] old extension new extension It should
query the user about each file before rename (y or n) skip if n (or no Example: Suppose files a c
b.c in the directory /dest A sample execution would be $proj3 ./dest c cpp rename a c? (y/n)y
rename b.c? (y/n) n finshed $ls dest should include a cpp b.c
Solution
else
echo \"do not want to change\".
Systematic Sampling Technique is used to select 5 numbers between 1 .pdf
Systematic Sampling Technique is used to select 5 numbers between 1 and 200. The first
selected number is 12. What should be next four numbers?
Solution
What should be next four numbers?
every number has the same probability of should be the next
so the next 4 numbers would be between 1 and 200
that can be
200 / 5 = 40 -12 = 28
close to 28.
Summarize the process by which organizations change their cultures. .pdf
Summarize the process by which organizations change their cultures. Cite some examples.
Solution
Answer: The process of a change requires strong leadership that can inspire people to change.
Besides this they should provide the proper information to the various stakeholders along side
use the indimidation tools.
Step-1 Provide leadership to change the organization for the benefits.
Step-2 Provide some information tools to get the information communicated that the change
process has begun and the methodology for the change is in picture.
Step-3 Use power tools like threats, punishments and fiats to deal with the conditions that may
occur because of the chnage taking place..
Step 1 The Pair Class Many times in writing software we come across p.pdf
Step 1 The Pair Class Many times in writing software we come across problems that require us
of values. For to store a pair example, a coordinate system would require an x, y value pair or a
hash key value pair Your task on this assignment is table as a data, one type but to create a
simple template pair class called Pair that has two type parameters. You should call these
parameters F and s. Functionality Constructor You should create a working constructor that takes
two type parameters one for each of the pair values. get First This is an accessor method that will
return the first of the pair values. get second This is an accessor method that will return the
second of the pair values. set First This is a mutator method that will set the first pair value
setsecond This is a mutator method that will set the second pair value
Solution
Pair.java
public class Pair {
private F first; //first member of pair
private S second; //second member of pair
public Pair(F first, S second) {
this.first = first;
this.second = second;
}
public void setFirst(F first) {
this.first = first;
}
public void setSecond(S second) {
this.second = second;
}
public F getFirst() {
return first;
}
public S getSecond() {
return second;
}
}
LinkedList.java
template class Node
{
private T data; //the object information
private Node* next; //pointer to the next node element
public void setData(T val)
{
this.data = val;
}
public void setNextNull()
{
this.next = NULL;
}
public void setNext(Node *tmp)
{
this.next = tmp;
}
public Node* getNext()
{
return this.next;
}
};
template class LinkedList extends Node
{
private Node *head = new Node;
private Node *tail = new Node;
public LinkedList()
{
head = NULL;
tail = NULL;
}
public ~LinkedList()
{
}
//Method adds info to the end of the list
public void append(T info)
{
if(head == NULL) //if our list is currently empty
{
head = new Node; //Create new node of type T
head->setData(info);
tail = head;
}
else //if not empty add to the end and move the tail
{
Node* temp = new Node;
temp->setData(info);
temp->setNextNull();
tail->setNext(temp);
tail = tail->getNext();
}
}
public void addFront(T info)
{
if(head == NULL) //if our list is currently empty
{
head = new Node; //Create new node of type T
head->setData(info);
tail = head;
}
else //if not empty add to the end and move the tail
{
Node* temp = new Node;
temp->setData(info);
temp->setNext(head);
head = temp;
}
}
//insert after given node
public void insert(Node *node,T info)
{
Node *temp = new Node;
temp->setData(info);
temp->setNext(node->getNext());
node->setNext(temp);
}
public void delete(Node *node)
{
Node *temp = new Node;
temp = head;
while(temp->getNext() != node && temp->getNext() )
{
temp = temp->getNext();
}
if(temp)
{
temp->setNext(node->getNext());
delete node;
}
}
public Integer size(Node *head)
{
int sz=0;
Node * temp = new Node;
temp = head;
while(temp)
{
sz++;
temp = temp->getNext();
}
return sz;
}
}
PairList.java
public class PairList< E, F > extends LinkedList< Pair< E,.
Sort the following formulas or structures as carboxylic acids, ester.pdf
Sort the following formulas or structures as carboxylic acids, esters, or amides. Sort the
following formulas or structures as carboxylic acids, esters, or amides. Carboxylic acid Ester
Amide
Solution
compounds with
(i) -COOH group are acids CH3COOH, PhCOOH, RCOOH
(ii) -CONH2 amide CH3CH2CONH2, RCONH2
(iii) -O(C=O)-R esters RCOOR\', CH3CH2O(C=O)CH(CH3)CH2CH3.
Please help me to solve this DEs question 7. Express the general s.pdf
Please help me to solve this DEs question ? 7. Express the general solution of the following
system of equations in terms of real-valued functions. What type of equilibrium point is the
origin? Is it stable or unstable?
Solution
first we\'ll find the elgenvalues , let L denote the eigen value
=> the augmented matrix becomes |A- LI| , I is the identity matrix
=> |A-IL| = |1-L 2 |
|-5 -1-L |
now we\'ll find the determinent of the above matrix
=> (L-1)(1+L) + 10 = L^2 + 9
now L^2+9 =0
=> L =+-3i are the eigenvalues
for L = 3i
the eigenvector is
v1 = (-1/5-3i/5 , 1)
for L2= -3i
v2 = (-1/5+3i/5 , 1)
x= C1(v1)e^(L1t) + C2(v2)e^(L2t)
the solution is :
x= C1[-1/5-3i/5]e^(3i*t) + C2[-1/5+3i/5]e^(-3i*t)
[ 1 ] [ 1 ].
How to deliver Powerpoint Presentations.pptx
"How to make and deliver dynamic presentations by making it more interactive to captivate your audience attention"
Wound healing PPT
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
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Why wont my code run I want to inherit everything from sailb.h cl.pdf
Why won\'t my code run? I want to inherit everything from sailb.h class (base) into raceb.h class
(derived) and in main I want to set a raceb member variable equal to one of sailb member
variables but it does not work. language is c++
////////////////////////////////////Base Class////////////////////////////////////////
#ifndef sailb_h
#define sailb_h
#include
using namespace std;
class sailb {
public:
sailb();
double setWindSpeed(); //modifier
double getWindSpeed(); //accessor
private:
double windSpeed;
};
#endif
////////////////////////////////derived class/////////////////////////////////////////////////////////////////
#ifndef raceb_h
#define raceb_h
#include \"sailb.h\"
class raceb: public sailb {
public:
raceb();
void setDownWind();
double getDownWind();
p rivate:
double downWindSpeed;
};
#endif
///////////////main.cpp/////////////////////////////////////////////////////////////////////////////////////
#include
#include
#include \"sailb.h\"
#include \"raceb.h\"
using namespace std;
sailb::sailb() {windSpeed = 0;}
raceb::raceb() {}
void sailb::setWindSpeed() {
cout << \"What is the speed of the wind in knots.\ \";
cin >> windSpeed;
}
double sailb::getWindSpeed() {
return windSpeed;
}
void raceb::setDownWind() {
downWindSpeed = getWindSpeed();
}
double raceb::getDownWind() {
return downWindSpeed;
}
int main() {
sailb s;
s.setWindSpeed();
raceb r;
r.setDownWind();
cout << r.getDownWind();
///////// Output = 0. So the windSpeed is being set to the default windspeed, but i want it to be set
to the speed that the user inputs.
Solution
You are creating two different objects. Both of the objects share different memory locations. To
make it work what you are trying to achieve just use one object of derived class. Main function
will look like:
int main() {
raceb r;
r.setWindSpeed();
r.setDownWind();
cout << r.getDownWind();
return 0;
}
-----------
One more error I saw is you have defined the prototype of \"setWindSpeed();\" as \"double\".
Make it void. For example:
class sailb {
public:
sailb();
void setWindSpeed(); / <------------------ it was double in your code
double getWindSpeed(); //accessor
private:
double windSpeed;
};.
Which statement is trueA.The main goal of work teams is to share .pdf
Which statement is true?
A.The main goal of work teams is to share information.
B.The main goal of work groups is collective performance.
C.The main goal of work groups is synergy.
D.The main goal of work teams is collective performance.
Solution
Correct answer is option (D)
Work teams aim at the goal ofcollective performance, use complementary skill and work with
accountability..
When developing a new software we should take into account how to cr.pdf
When developing a new software we should take into account how to create a specific \"Look
and Feel\" per customer, What are the advantages of using Java GUI ?
Solution
Advantages of Java GUI:
1. It makes the navigation through the software very simple as compared to text based I/O.
2. Users dont have to remember the commands since interactive buttons and components are
available for input.
3. Allows for increased usage of the software by users because of the graphical interface.
4. Java provides most of the input components through Awt which can be used for varied
purposes.
5. Easy and neat alignment of components on the screen.
6. GUIs also offer efficient interaction with human-interface devices such as keyboards, mice
and touchscreens..
What impact did Pythagoras have on EuclidSolutionPythagorasP.pdf
What impact did Pythagoras have on Euclid?
Solution
Pythagoras
Probably the most famous name during the development of Greek geometry is Pythagoras, even
if only for the famous law concerning right angled triangles. This mathematician lived in a secret
society which took on a semi-religious mission. From this, the Pythagoreans developed a number
of ideas and began to develop trigonometry. The Pythagoreans added a few new axioms to the
store of geometrical knowledge.
1)The sum of the internal angles of a triangle equals two right angles 180*.
2)The sum of the external angles of a triangle equals four right angles 360*
3)The sum of the interior angles of any polygon equals 2n-4 right angles, where n is the number
of sides.
4)The sum of the exterior angles of a polygon equals four right angles, however many sides.
5)The three polygons, the triangle, hexagon, and square completely fill the space around a point
on a plane - six triangles, four squares and three hexagons. In other words, you can tile an area
with these three shapes, without leaving gaps or having overlaps.
6)For a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of
the other two sides.
Most of these rules are instantly familiar to most students, as basic principles of geometry and
trigonometry. One of his pupils, Hippocrates, took the development of geometry further. He was
the first to start using geometrical techniques in other areas of maths, such as solving quadratic
equations, and he even began to study the process of integration. He solved the problem of
Squaring a Lune and showed that the ratio of the areas of two circles equalled the ratio between
the squares of the radii of the circles.
Euclid
Alongside Pythagoras, Euclid is a very famous name in the history of Greek geometry. He
gathered the work of all of the earlier mathematicians and created his landmark work, \'The
Elements,\' surely one of the most published books of all time. In this work, Euclid set out the
approach for geometry and pure mathematics generally, proposing that all mathematical
statements should be proved through reasoning and that no empirical measurements were
needed. This idea of proof still dominates pure mathematics in the modern world.
The reason that Euclid was so influential is that his work is more than just an explanation of
geometry or even of mathematics. The way in which he used logic and demanded proof for every
theorem shaped the ideas of western philosophers right up until the present day. Great
philosopher mathematicians such as Descartes and Newton presented their philosophical works
using Euclid\'s structure and format, moving from simple first principles to complicated
concepts. Abraham Lincoln was a fan, and the US Declaration of Independence used Euclid\'s
axiomatic system.
Apart from the Elements, Euclid also wrote works about astronomy, mirrors, optics, perspective
and music theory, although many of his works are lost to posterity. Certainl.
Tic Tac Toe game with GUI please dont copy and paste from google. .pdf
Tic Tac Toe game with GUI please don\'t copy and paste from google. I really need the help.
Solution
Answer:
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class TicTacToe extends JPanel
{
JButton buttons[] = new JButton[9];
int alternate = 0;//if this number is a even, then put a X. If it\'s odd, then put an O
public TicTacToe()
{
setLayout(new GridLayout(3,3));
initializebuttons();
}
public void initializebuttons()
{
for(int i = 0; i <= 8; i++)
{
buttons[i] = new JButton();
buttons[i].setText(\"\");
buttons[i].addActionListener(new buttonListener());
add(buttons[i]); //adds this button to JPanel (note: no need for JPanel.add(...)
//because this whole class is a JPanel already
}
}
public void resetButtons()
{
for(int i = 0; i <= 8; i++)
{
buttons[i].setText(\"\");
}
}
// when a button is clicked, it generates an ActionEvent. Thus, each button needs an
ActionListener. When it is clicked, it goes to this listener class that I have created and goes to the
actionPerformed method. There (and in this class), we decide what we want to do.
private class buttonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
JButton buttonClicked = (JButton)e.getSource(); //get the particular button that was clicked
if(alternate%2 == 0)
buttonClicked.setText(\"X\");
else
buttonClicked.setText(\"O\");
if(checkForWin() == true)
{
JOptionPane.showConfirmDialog(null, \"Game Over.\");
resetButtons();
}
alternate++;
}
public boolean checkForWin()
{
/** Reference: the button array is arranged like this as the board
* 0 | 1 | 2
* 3 | 4 | 5
* 6 | 7 | 8
*/
//horizontal win check
if( checkAdjacent(0,1) && checkAdjacent(1,2) ) //no need to put \" == true\" because the
default check is for true
return true;
else if( checkAdjacent(3,4) && checkAdjacent(4,5) )
return true;
else if ( checkAdjacent(6,7) && checkAdjacent(7,8))
return true;
//vertical win check
else if ( checkAdjacent(0,3) && checkAdjacent(3,6))
return true;
else if ( checkAdjacent(1,4) && checkAdjacent(4,7))
return true;
else if ( checkAdjacent(2,5) && checkAdjacent(5,8))
return true;
//diagonal win check
else if ( checkAdjacent(0,4) && checkAdjacent(4,8))
return true;
else if ( checkAdjacent(2,4) && checkAdjacent(4,6))
return true;
else
return false;
}
public boolean checkAdjacent(int a, int b)
{
if ( buttons[a].getText().equals(buttons[b].getText()) && !buttons[a].getText().equals(\"\") )
return true;
else
return false;
}
}
public static void main(String[] args)
{
JFrame window = new JFrame(\"Tic-Tac-Toe\");
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.getContentPane().add(new TicTacToe());
window.setBounds(300,200,300,300);
window.setVisible(true);
}
}.
This is a U.S History questionThe 911 hijackers used fully-loade.pdf
This is a U.S History question:
The 9/11 hijackers used fully-loaded airliners as weapons of war. Analyze the impact of 9/11 and
terrorism on aviation in America. What have been the social, political, and economic effects of
terrorism on commercial air travel and general aviation?
Solution
Air Space Closed: On September 10, 2001, US airports handled 38,047 flights. On September
12, they handled 252 commercial flights. One week later (September 18) there were 34,743
flights.1
• Passenger Traffic: US passenger traffic, measured by revenue passenger kilometers (number of
travelers multiplied by the distance traveled) declined 5.9% in 20012 (compared to 2000) and a
further 1.4% in 2002. Airlines struggled to match this decline by cutting capacity (available seat
kilometers or number of seats multiplied by distance traveled) by 2.8% in 2001 and a further
3.9% in 2002. This was the first time since World War II that industry capacity declined for two
consecutive years. After stabilizing in 2003, capacity growth resumed in 2004 and continued
until 2008, when it declined again owing to soaring oil prices and the global financial crisis.
Capacity fell further in 2009, returning virtually to 2000 levels. Between 2000 and 2009, the US
commercial aircraft fleet shrank by around 700 units.
In addition to the casualties and physical destruction directly
caused by their attacks, terrorists seek to inflict wider psychological,
social, political, and economic damage upon the
societies they target.
Terrorists can hope to harm economies in various indirect
ways. These include:
Reducing consumers’ and firms’ expectations for the future
Forcing governments and the private sector to invest in
security measures, which reduce efficiency in vulnerable
industries (such as transportation and trade) and redirect
investment away from more productive economic uses
Altering behavior by inducing economic actors (consumers,
investors, businesses) to avoid areas of perceived
risk (either sectors, such as aviation or tourism, or geographic
areas affected by terrorism)
Triggering wider geopolitical conflict, which may cause
further economic disruptions
This paper examines the actual macroeconomic.
The PCAOB and SOX were created in 2002 and yet accounting frauds occ.pdf
The PCAOB and SOX were created in 2002 and yet accounting frauds occured, does that mean
that SOX and the PCAOB are a failure? Why or why not?
Solution
SOX- Sarbanes Oxley Act was made in 2002 to protect the investors from fraud after the Enron
scandal.
PCAOB- This is \"Public company accounting oversight board\", created by SOX to protect the
investors\' interest and also to analyze the audits of public companies. It is a not for profit
organization and its main motive is to minimize the risk and provide protection.
These laws were created for betterment and safety of people and companies but somehow and
somewhere, these acts failed because of the following reasons:.
The main purpose of welfare is to provide incomes O A. for people who.pdf
The main purpose of welfare is to provide incomes O A. for people who do not qualify for social
security or unemployment compensation O B. to the surviving spouses or children of retirees or
workers injured on the job O C. to unemployed workers O D. to retired or disabled workers
Click to select your answer APPLY Chapter 7 Chech port Problems and Muitiple Choice
APPLY Chapter 8 Checkpoint Problems and Multiple Choice Quiz
Solution
The main purpose of welfare is for people who do not qualify for social security or
unemployment compensation.
The following is the sample code for multithreading. Run it and expl.pdf
The following is the sample code for multithreading. Run it and explain how it works. Pick up
one of the programs that you generated so far (for any assignment, not limited to CPM4100), and
modify it into multithreaded version.
Solution
Example code for multithreading is
Multithreading is to provide simultaneous execution of two or more parts of a program to utilize
the CPU time is the main theam of Multithreading above program best example for
Multithreading..
A quantity of HI was sealed in a tube, heated to 425C, and held at t.pdf
A quantity of HI was sealed in a tube, heated to 425C, and held at this temperature until
equilibrium is reached. The concentration of HI in the tube at equilibrium was found to be
0.0706 moles/liter. Calculate the equilibrium concentration of H2 (and I2 ). For the reaction H2
(g) + I2 (g) 2HI(g), Kc = 54.6 at 425C.
I don\'t know how to work this without the initial [HI]. Please explain the answer.
Solution
Kc=[2HI]^2/[I2][H2]
BUT [I2]=[H2]
=>54.6=0.0706^2/[h2]^2
[H2]^2=9.128*10^-5
[H2]=[I2]=SQRT9.128*10^-5
=9.55*10^-3MOLES/LITRE.
a higher GDP means that the U.S. either produced more goods and serv.pdf
a higher GDP means that the U.S. either produced more goods and services, or
Solution
or
there is a higher income which will lead to rise in expenditure which implies that there is a rise in
the standard of living of the citizens and due to rise in income there will be a higher spending on
various goods and services..
All EXCEPT which of the following are stages of mitosis a) S ph.pdf
All EXCEPT which of the following are stages of mitosis? a) S phase b) Telophase c)
Prophase d) Metaphase Cytokinesis is a part of ___. a) M phase b) mitosis c) metaphase d)
Interphase e) diplotene A startup cell culture contains 1 cell. How many cells will this culture
contain after 5 rounds of mitotic cell division? a) 2 b) 5 c) 16 d) 32 e) 160 Somatic cells of an
organism contain 2n=4 chromosomes After M phase is completed, the daughter cells will contain
a) 2n=16 b) 4n=8 c) 2n=4 d) 2n=8 e) 1n=4 During S phase of the cell cycle, ___. A) DNA
recombines B) RNA replicates C) DNA content essentially doubles D) sister chromatids move
to opposite poles E) the nuclear membrane disappears The structure responsible for
organization of the mitotic spindle is called: a) centrosome b) centromere c) centrifuge d)
chromosome e) anaphase How many haploid sets of chromosomes are present in a diploid cell
with 12 chromosomes? a) 2 b) 6 c) 12 d) 24 e) 48
Solution
1.S Phase
2.M Phase
3.32(each cell produces 2 daughter cells)
4.2n=4
5.sister chromatids move to opposite sides.
6.centrosome
7.6 chromosomes(Haploid number (n) of a chromosome is one half the diploid number. ).
5. A water sample with a total alkalinity of 2.00 x 10 molesL has .pdf
5. A water sample with a total alkalinity of 2.00 x 10 moles/L has a pH of 7.00. Compute the
equilibrium concentrations of CO2, HCOs , co,, and OH Note that water and carbon dioxide can
replace carbonic acid in the Kai reaction without changing the value of Kal H2O + CO2 H+ +
HCO, Ka1 = 4.5 x 10-7
Solution
The equilibrim equations involved are:
H2O +CO2 <---->H+ +HCO3- ka1=4.5*10^-7
HCO3- <--->CO32- +H+ ka2=4.8*10^-11
Also given, pH=-log [H+]=7.0
[H+]=10^-7 M ...........(a)
[OH-]=kw/[H+]=10^-14/[H+]=10^-14.............(b)
pH=pka +log [base]/[acid] [henderson-hasselbach equation]
pka2=-log ka2=-log(4.8*10^-11)=10.3
7.0=10.3 +log[CO32-]/[HCO3-]
or, [CO32-]/[HCO3-]=5.012e-4.
or,[CO32-]=(5.012e-4.)[HCO3-]..................(1)
Also, H2O +CO2 <---->H+ +HCO3- ka1=4.5*10^-7=[H+][HCO3-]/[CO2]
for x=[H+]=[HCO3-] (at equilibrium)
[CO2]=[CO2]o-x , [CO2]o=initial concentration,but x is very less for very less dissociation ( ka1
is very small)
[CO2]eq=[CO2]o
4.5*10^-7=[H+][HCO3-]/[CO2]=x^2/[CO2]
or,[CO2]eq=x^2/(4.5*10^-7)=[HCO3-]eq/(4.5*10^-7)
[CO2]eq=[HCO3-]eq^2/(4.5*10^-7) ...................(2)
total alkalnity=[HCO3-] +2[CO32-] +[OH-] -[H+]=2.0*10^-3 mol/L
plugging in eqn (a),(b),(1) & (2) in the equation for total alkalinity,
total alkalnity=[HCO3-] +2(5.012e-4.)[HCO3-]. =2.0*10^-3 mol/L
or, [HCO3-]=1.997*10^-3 mol/L
[CO32-]eq=(5.012e-4.)[HCO3-].=(5.012e-4.)(2.0*10^-3 mol/L)=1.002*10^-6 mol/l
[H+]eq=[OH-]eq=10^-7 mol/L
[CO2]=[HCO3-]eq^2/(4.5*10^-7) =(1.997*10^-3 mol/L)^2/(4.5*10^-7)=8.862 mol/L
[CO2]eq=8.862*10^3 mol/L.
21 Elucidate three different pathways for targeting proteins to the.pdf
21: Elucidate three different pathways for targeting proteins to the mitochondrial inner
membrane.
NOTE: PLEASE CITE SOURCES
Solution
Answer:
Protein translocation across mitochondrial membranes is mediated by multi-subunit protein
complexes that function as protein translocators:
1. TOM complex: functions across the outer membrane
2. TIM23 and TIM22 complexes: function across the inner membrane
3. OXA complex
TOM and TIM stand for translocase of the outer and inner mitochondrial membranes,
respectively. These complexes contain some components that act as receptors for mitochondrial
precursor proteins and other components that form the translocation channel.
The TOM complex is required for the import of all nucleus-encoded mitochondrial proteins. It
initially transports their signal sequences into the intermembrane space and helps to insert
transmembrane proteins into the outer membrane. The TIM23 complex then transports some of
these proteins into the matrix space, while helping to insert transmembrane proteins into the
inner membrane.
The TIM22 complex mediates the insertion of a subclass of inner membrane proteins, including
the carrier protein that transports ADP, ATP, and phosphate.
A third protein translocator in the inner mitochondrial membrane, the OXA complex, mediates
the insertion of inner membrane proteins that are synthesized within the mitochondria. It also
helps to insert some proteins that are initially transported into the matrix by the TOM and TIM
complexes.
Citations:
1. Stefan A. Paschen and Walter Neuper. Protein Import Into Mitochondria. IUBMB Life, 52:
101–11 (2001)
2. Dejana Mokranjac and Walter Neupert. The many faces of the mitochondrial TIM23 complex.
Biochimica et Biophysica Acta. 1797, 1045–1054 (2010).
The DOS Rename command allows file suffixes to be changed so that re.pdf
The DOS Rename command allows file suffixes to be changed so that: ren cpp changes all files
with suffixes .c to the the name with suffix.cpp. So a c is renamed a cpp, b.c is renamed
b.ccp...for all files in the path Write a bash shell script that takes the destination path
(directory)dest as an optional parameter and renames all files in dest or current directory with old
extension to new extension. The format IS: proj3 dest] old extension new extension It should
query the user about each file before rename (y or n) skip if n (or no Example: Suppose files a c
b.c in the directory /dest A sample execution would be $proj3 ./dest c cpp rename a c? (y/n)y
rename b.c? (y/n) n finshed $ls dest should include a cpp b.c
Solution
else
echo \"do not want to change\".
Systematic Sampling Technique is used to select 5 numbers between 1 .pdf
Systematic Sampling Technique is used to select 5 numbers between 1 and 200. The first
selected number is 12. What should be next four numbers?
Solution
What should be next four numbers?
every number has the same probability of should be the next
so the next 4 numbers would be between 1 and 200
that can be
200 / 5 = 40 -12 = 28
close to 28.
Summarize the process by which organizations change their cultures. .pdf
Summarize the process by which organizations change their cultures. Cite some examples.
Solution
Answer: The process of a change requires strong leadership that can inspire people to change.
Besides this they should provide the proper information to the various stakeholders along side
use the indimidation tools.
Step-1 Provide leadership to change the organization for the benefits.
Step-2 Provide some information tools to get the information communicated that the change
process has begun and the methodology for the change is in picture.
Step-3 Use power tools like threats, punishments and fiats to deal with the conditions that may
occur because of the chnage taking place..
Step 1 The Pair Class Many times in writing software we come across p.pdf
Step 1 The Pair Class Many times in writing software we come across problems that require us
of values. For to store a pair example, a coordinate system would require an x, y value pair or a
hash key value pair Your task on this assignment is table as a data, one type but to create a
simple template pair class called Pair that has two type parameters. You should call these
parameters F and s. Functionality Constructor You should create a working constructor that takes
two type parameters one for each of the pair values. get First This is an accessor method that will
return the first of the pair values. get second This is an accessor method that will return the
second of the pair values. set First This is a mutator method that will set the first pair value
setsecond This is a mutator method that will set the second pair value
Solution
Pair.java
public class Pair {
private F first; //first member of pair
private S second; //second member of pair
public Pair(F first, S second) {
this.first = first;
this.second = second;
}
public void setFirst(F first) {
this.first = first;
}
public void setSecond(S second) {
this.second = second;
}
public F getFirst() {
return first;
}
public S getSecond() {
return second;
}
}
LinkedList.java
template class Node
{
private T data; //the object information
private Node* next; //pointer to the next node element
public void setData(T val)
{
this.data = val;
}
public void setNextNull()
{
this.next = NULL;
}
public void setNext(Node *tmp)
{
this.next = tmp;
}
public Node* getNext()
{
return this.next;
}
};
template class LinkedList extends Node
{
private Node *head = new Node;
private Node *tail = new Node;
public LinkedList()
{
head = NULL;
tail = NULL;
}
public ~LinkedList()
{
}
//Method adds info to the end of the list
public void append(T info)
{
if(head == NULL) //if our list is currently empty
{
head = new Node; //Create new node of type T
head->setData(info);
tail = head;
}
else //if not empty add to the end and move the tail
{
Node* temp = new Node;
temp->setData(info);
temp->setNextNull();
tail->setNext(temp);
tail = tail->getNext();
}
}
public void addFront(T info)
{
if(head == NULL) //if our list is currently empty
{
head = new Node; //Create new node of type T
head->setData(info);
tail = head;
}
else //if not empty add to the end and move the tail
{
Node* temp = new Node;
temp->setData(info);
temp->setNext(head);
head = temp;
}
}
//insert after given node
public void insert(Node *node,T info)
{
Node *temp = new Node;
temp->setData(info);
temp->setNext(node->getNext());
node->setNext(temp);
}
public void delete(Node *node)
{
Node *temp = new Node;
temp = head;
while(temp->getNext() != node && temp->getNext() )
{
temp = temp->getNext();
}
if(temp)
{
temp->setNext(node->getNext());
delete node;
}
}
public Integer size(Node *head)
{
int sz=0;
Node * temp = new Node;
temp = head;
while(temp)
{
sz++;
temp = temp->getNext();
}
return sz;
}
}
PairList.java
public class PairList< E, F > extends LinkedList< Pair< E,.
Sort the following formulas or structures as carboxylic acids, ester.pdf
Sort the following formulas or structures as carboxylic acids, esters, or amides. Sort the
following formulas or structures as carboxylic acids, esters, or amides. Carboxylic acid Ester
Amide
Solution
compounds with
(i) -COOH group are acids CH3COOH, PhCOOH, RCOOH
(ii) -CONH2 amide CH3CH2CONH2, RCONH2
(iii) -O(C=O)-R esters RCOOR\', CH3CH2O(C=O)CH(CH3)CH2CH3.
Please help me to solve this DEs question 7. Express the general s.pdf
Please help me to solve this DEs question ? 7. Express the general solution of the following
system of equations in terms of real-valued functions. What type of equilibrium point is the
origin? Is it stable or unstable?
Solution
first we\'ll find the elgenvalues , let L denote the eigen value
=> the augmented matrix becomes |A- LI| , I is the identity matrix
=> |A-IL| = |1-L 2 |
|-5 -1-L |
now we\'ll find the determinent of the above matrix
=> (L-1)(1+L) + 10 = L^2 + 9
now L^2+9 =0
=> L =+-3i are the eigenvalues
for L = 3i
the eigenvector is
v1 = (-1/5-3i/5 , 1)
for L2= -3i
v2 = (-1/5+3i/5 , 1)
x= C1(v1)e^(L1t) + C2(v2)e^(L2t)
the solution is :
x= C1[-1/5-3i/5]e^(3i*t) + C2[-1/5+3i/5]e^(-3i*t)
[ 1 ] [ 1 ].
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Chapter 2
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Chapter 3
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Chapter 6
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