Problem (a) Please count how many functions can be defined if the dom.pdf
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Problem (a) Please count how many functions can be defined if the domain D is a finite set with the cardinality IDI = n. (b) Can you find a bijection between the set of all such functions and the power set P(D)? Solution Cardinality of D =n f is a function defined from D to [0,1] Then any element in D can be mapped onto either 0 or 1 If all elements are mapped on to 0 then we have one funciton All onto 1 another if n-1 to 0 then we have n-1 On the whole no of functions = nC0+nC1+nC2+...+nCn = 2n yes we can find a power set as no of elements i.e. n p(D) = 2n and no of functions 2n As cardinality is the same for both we can find a bijection..
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![Problem (a) Please count how many functions can be defined if the domain D is a finite set with
the cardinality IDI = n. (b) Can you find a bijection between the set of all such functions and the
power set P(D)?
Solution
Cardinality of D =n
f is a function defined from D to [0,1]
Then any element in D can be mapped onto either 0 or 1
If all elements are mapped on to 0 then we have one funciton
All onto 1 another
if n-1 to 0 then we have n-1
On the whole no of functions = nC0+nC1+nC2+...+nCn = 2n
yes we can find a power set as no of elements
i.e. n p(D) = 2n and no of functions 2n
As cardinality is the same for both we can find a bijection.](https://image.slidesharecdn.com/problemapleasecounthowmanyfunctionscanbedefinedifthedom-230703142125-54badc06/85/Problem-a-Please-count-how-many-functions-can-be-defined-if-the-dom-pdf-1-320.jpg)
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Answer:
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Only F occurs :
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Explanation : EuFuG is the part tha is all of the circles. From this, i remove E and G,
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Answer:
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Only F occurs :
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PR
IF 4
IF 5
IF 6
IR 7
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DR
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----- Front -----
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4
7
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----- Front -----
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4
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----- Front -----
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Solution
Answer:
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Solution
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When you have graduated, end the game and tell them they have won. If you are expected to
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Example 1 (user input is bold, board is not displayed because it is too big... do not change it):
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g
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u
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a
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You have 46 hours left until graduation...
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Current stats are: Energy = 64, Entertainment = 30, Smartness = 76.
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You are at the Dorm.
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You graduate from college.
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Solution
#include
#include
using namespace std;
class Room {
private:
// letters outline where the location is
char mapLetter;
// locations are rectangles....
int topLeftX;
int topLeftY;
int bottomRightX;
int bottomRightY;
// all good things have a name, right?
str.
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Let length be x
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medium which will come in contact with them. As atmosphere contain oxygen and moisture
(which is water) metals tends to react with them and forms oxides. (if metals are kept in pure
vacuum the metals will remain in their pure form and they are less likely to corrode)
2. Another scenario will be when metals are in excited form by some kind of energy excitation.
The most common example of this will be old car batteries in which two electrodes were in
contact with electrolyte and current is flowing continuously through both electrodes. And the
oxidation happens at Anode.
3. Then third reason would be reactivity of material with an environment. or it could be other
way around if an environment reactive then it will react with metal..
5. What are the main factors that affect the demand for the following.pdf
5. What are the main factors that affect the demand for the following infrastructure systems:
Light rail systems Education institutions Post offices hospitals
Solution
Light rail systems: In this the major factors affecting the demand are:
1. Public and their class, as if there is not much people to travel from one place to another than
the demand of transit will automatically be less and we also have to check whether the common
people can afford to choose light rail as a mode of transport.
2. The topographical features where it is to be established, as if the site is very hilly or sloped
than initial investment will be very high and this leads to high fare charges hence low demand.
Education institutions: Here we will have to consider :
1. The distribution of pubic according to the age group, as if we make a school at a place where
there are very less children density in the population then demand will be low.
2. The type or genre of education people living in the locality would prefer, i.e if music is a hot
topic of interest go for musical institiution, etc.
3. And the financial conditions would also affect the demand as cheaper the institute and better
the quality more will be the demand.
Post offices: In this
1. We will consider those routes first where the most of the traffic of letters is inclined and then
make the post office connecting those places. This can be done by origin and destination studies
of letters.
2. Now a days demand for post offices has dropped drastically because of telephone and internet
but still of we want to improve its demand we can incorporate the technology in it such as E-
POST, E-MAIL , etc this will surely affect the demand.
3. One of the major factorr affecting demand of post office is surrounding area, i.e if
surroundings are industrial or institutional then the demand will be high and if surrounding is
residential or say backwards then it will be low.
Hospitals: Here
1. Facilities provided by the hospitals greatly affect its demand as more the facility will attract
more customers
2. Again locality plays a major role in demand as in urban area demand will be high and in rural
area it will be low.
3. Specialisation in various medical fields like Heart, Surgery, Brain ,etc will make the hospital
more versatile and hence more demand..
1. Research Topic Research the problem of livelock in a networked e.pdf
1. Research Topic: Research the problem of livelock in a networked environment. Describe how
its consequences differ from those of deadlock, and give a real-life example of the problem that’s
not mentioned in this chapter. Identify at least two different methods the operating system could
use to detect and resolve livelock. Cite your sources.
Solution
A livelock is similar to a deadlock, except that the states of the processes involved in the livelock
constantly change with regard to one another, none progressing. Livelock is a special case of
resource starvation; the general definition only states that a specific process is not progressing.
A real-world example of livelock occurs when two people meet in a narrow corridor, and each
tries to be polite by moving aside to let the other pass, but they end up swaying from side to side
without making any progress because they both repeatedly move the same way at the same time.
Livelock is a risk with some algorithms that detect and recover from deadlock. If more than one
process takes action, the deadlock detection algorithm can be repeatedly triggered. This can be
avoided by ensuring that only one process (chosen randomly or by priority) takes action.
Source is from wikipedia , Deadlock
Methos to detect and resolve livelock :
1. Limiting interupt arrival rates.
2. Polling to provide fairness.
Polling and auditing are the best methods to detect for livelock. In a multiprocessor environment,
detecting a timeout would quickly throw the flag that a livelock has occured.
Once detected, Having an established master CPU resolve the livelock and redistribute to slaves
in a pre-emptive measure would be a relatively graceful way to reach a solution..
While George travels for two months, Mary agrees to house and care f.pdf
While George travels for two months, Mary agrees to house and care for George’s three horses at
her stables. The parties agree that Mary will pick up the horses on the first day of George’s trip
and George will pay Mary when he returns. George returns home from his travels and finds that
Mary never picked up the horses. George sues. What result?
a. The court will apply common law and Mary will lose.
b. The court will apply the UCC and Mary will lose.
c. The court will apply common law and Mary will win.
d. The court will apply the UCC and Mary will win.
Chef Jacquie is scheduled to teach a cooking class to three students. The class tuition is $1,100
per student. In the class each student cooks a French meal under Jacquie’s expert supervision,
and receives a cookbook (worth $30) and a cooking pan (worth $150). Tory, one of the students,
tells Jacquie the day before the class that she will be unable to attend and requests a refund.
Jacquie denies the refund and Tory sues. Tory claims that the UCC should govern the contract,
and Jacquie argues that it should be covered by the common law. Who is right?
d. Jacquie, because the agreement was a bilateral contract
Olivia agrees that she will bring Desiree a cherry pie every Monday for a month in exchange for
$15 per week. Olivia delivers a pie to Desiree for four weeks, and Desiree pays her each time.
Olivia continues to deliver Desiree pies every Monday, and Olivia continues to pay, for another
five weeks. On the tenth week, Olivia brings a pie and Desiree refuses to pay. Olivia sues for
payment. What result?
d. Olivia will win. The court will rule that they had an implied contract.
Interactive Data Corp. hired Foley as an assistant product manager, and over the next six years
Interactive steadily promoted him. Interactive officers repeatedly told Foley that he would have
his job as long as his performance was adequate. They also distributed an employee handbook
that specified termination guidelines that included a mandatory seven-step pre-termination
procedure. Foley learned that his supervisor was under investigation by the FBI, and he told
Interactive officers. Shortly thereafter, Interactive fired Foley. He sued, claiming that Interactive
could only fire him for good cause, after the seven-step procedure. Who wins?a. Tory, because
everyone in the class receives a cookbook, pan and food.b. Tory, because the cost of the class
was more than $500.c. Jacquie, because the class is primarily a service.
d. Jacquie, because the agreement was a bilateral contract
Olivia agrees that she will bring Desiree a cherry pie every Monday for a month in exchange for
$15 per week. Olivia delivers a pie to Desiree for four weeks, and Desiree pays her each time.
Olivia continues to deliver Desiree pies every Monday, and Olivia continues to pay, for another
five weeks. On the tenth week, Olivia brings a pie and Desiree refuses to pay. Olivia sues for
payment. What result?a. Desiree will win. Olivia assumed the risk of.
What law mandate SMEs in Ghana; Small and Medium-size Enterprises to.pdf
What law mandate SMEs in Ghana; Small and Medium-size Enterprises to keep accounting
records?.
Solution
All \'small and medium scale enterprises\' (SMEs) , state-owned organisations, and private
organisations are required to use the IFRS for SMEs starting with their financial statements for
2010.IFRSs are designed to apply to the general purpose financial statements and other
financial reporting of all profit-oriented entities. The International Financial Reporting Standard
for Small and Medium-sized Entities (IFRS for SMEs)
is issued by the International Accounting Standards Board (IASB).Section 4 sets out the
information that is to be presented in a statement of
financial position and how to present it. The statement of financial position
(sometimes called the balance sheet) presents an entity’s assets, liabilities and
equity as of a specific date—the end of the reporting period..
What is the leader’s role when a substitute such as a routine job an.pdf
What is the leader’s role when a substitute such as a routine job and/or technology is present and
operating?
Solution
A substitute is an individual or thing acting or utilized in place of another that renders leadership
not only impossible but rather unnecessary.Although it is said that, “For organizational members
to increase organizational and personal outcomes, they should be able to obtain both guidance
and positive feelings from their work settings and that effective leadership is defined as the
ability to supply subordinates with required guidance and good feelings which are not being
given by other sources. A substitute like a routine job and/or technology is never , “so strong as
to totally overwhelm the leader, or so weak as to need subordinates to rely entirely on him”
.Thus a leader’s role when a substitute such as a routine job and/or technology is present and
operating is to give subordinates with required guidance and positive feelings that the substitute
does not provide..
What function is associated with skeletal muscle cellsA. Some can.pdf
What function is associated with skeletal muscle cells?
A. Some can push and some can pull.
B. Some muscle cells can both push and then pull.
C. Can push only.
D. Can pull only.
Solution
The correct answer is : D.Can pull only
Reason:Skeletal muscles can only pull.Being are arranged in pairs,they pull the bones in opposite
directions..
What is ATP and how does it work Using what youve learned about c.pdf
What is ATP and how does it work? Using what you\'ve learned about cellular respiration,
provide a detailed, biological explanation as to why humans need to eat food and breathe air.
Explain how plants are adapted to living in hot, dry climates. Provide a biological explanation
for \"fall colors.\"
Solution.
Tangent.What is the domain and range of y=-tan xSolutionFor.pdf
Tangent.
What is the domain and range of y=-tan x?
Solution
For the function y = -tan x, the function takes an undefined value at x = pi/2 + n*pi where cos x
= 0. For all other x the function is defined.
This makes the domain of the function as all numbers except pi/2 + n*pi , where n is any integer.
The range is {R} as tan x can take on any real value..
Cells divide and multiply in number as they proceed through the cell .pdf
Cells divide and multiply in number as they proceed through the cell cycle. At some point
however cells need to stop multiplying and the cell cycle is halted. Given your knowledge on
mitosis think of two ways (methods, mechanisms procedures) a cell might stop it self from
dividing.
Solution
Cell cycle is hated when there is damage to DNA or there is not proper DNA replication. At
these points cell stops dividing.
A) DNA damage:
When there is damage in DNA then cell cycle stops dividing to facilitating DNA restore
pathways.
Methods involves are protein kinases of ATM/ATR own family called Tel1/Mec1 in budding
yeast and Tel1/Rad3 in fission yeast. These kinases senses DNA damages and phosphorylate
variety of proteins that regulate cell cycle development and DNA restore pathways.
B) DNA replication:
Accurate replication of the thousands and thousands or billions of DNA base pairs in a
eukaryotic genomeis essential. Damaged template, protein and poor supply of dNTPs are most of
the many obstacles that must be overcome to duplicate genome. All of those situations can stall
replication forks. Stalled forks pose threats to genome integrity due to the fact they could
rearrange, damage, or fall apart via disassembly of the replication complex .The pathways that
respond to replication stress are signal transduction pathways which might be conserved across
evolution.
Procedure are ATM/ATR of relatives kinases. These kinases collectively with a trimeric
checkpoint clamp (termed nine-1-1 complex) and 5-subunit checkpoint clamp loader (Rad17-
RFC2-RFC3-RFC4-RFC5) senses stalled replication forks and transmit a checkpoint .One of
principal functions of replication checkpoint is to prevent the onset of mitosis via regulating
mitotic control proteins which includes Cdc25. But possibly the maximum essential interest of
replication checkpoint is to stabilize and protect replication forks eight. The protein kinase Cds1
(human Chk2 homolog; in human, Chk1 is a purposeful Cds1 homolog) is a important effector of
the replication checkpoint within the fission yeast.
Cds1 is required to prevent stabilization of replication fork in cells deal with hydroxyurea (HU),
a ribonucleotide reductase inhibitor that stalls replication by depleting dNTPs. In the budding
yeast Saccharomyces cerevisiae, a failure to set off Rad53 (Chk2 homolog) is related to crumble
and regression of replication forks.
Simple question on variables wmy data sources in excel.I am curre.pdf
Simple question on variables w/my data sources in excel.
I am currently working on a project for my analytics class where we need the following:
1. 50 observations
2. 11 variables (10 independent, 1 dependent)
I want to be sure that I am not getting the beginning wrong, I plan to use data from different
cities so I have something that resembles the following.
###
So I\'m curious if I have 50 locations, then 10 random independent data variables and then 1
dependent where it calculates the percentage change from 1990 to 2010 is that correct? If not,
could you please give me an example of a correct table? Time is precious!
Thanks.LocationPopulation 2010Population 1990Denver, CO######Modesto,
CA######Washington, DC######Fresno, CA###
###
Solution
I think you are taking population as one of the 10 independent random variabes. You can add one
more column in the table \"percentage change\"..
Question 1Examples of Rhizairians in the lab exercise are Formanin.pdf
Question 1
Examples of Rhizairians in the lab exercise are Formaniniferans and ____________ both with
thread like __________.
Oomycetes – cellulose plates
Radiolarians -- pseudopodia
Stramenopila -- flagella
Tubulinids -- pseudopodia
Dinoflagellates are now thought to share a common ancestor with ___________ by evidence of
the presence of ________
1.
Green algae – cellulose wall -- chlorophyll a & b
2.
Ciliates -- alveoli
3.
Algae -- flagella
4.
Fungi – Diatoms – chlorophyll a but not chlorophyll b
The introductory pages of the Protists lab chapter indicate that groups of organisms with a
common ancestor are organized into what type of grouping?
1.
All the Protists separately
2.
Multiple phylogenetic trees from a common ancestor
3.
The major domain named Eukarya
4.
Phylogenetic group named a clade
4. The Super group Unikonta has two major clades, Amoebozoa and Opisthokonta.From which
of these two clades would fins the multicellular organisms that include sponges and us? Similarly
one Supergroup includes thefirst group of organism to colonize dry land ____________ and their
ancestors ______________
1.
Amoebozoa, animals and choanomonda
2.
Opisthokonta, land plants and charophytes
3.
All organism share a common ancestor to are really all related.
4.
Opisthokonta, land plants and chlorophytes
5. Red Algae share the characteristics of ___________ (mechanism of nutrition) and the
photosynthetic pigment _______ with Green Algae as it does with other alga. However they so
not share the characteristics of _________ (a photosynthetic pigment) specifically for the green
algae group named ___________ structural and functional similarities with modern plants.
1.
heterotrophy – chlorophyll b, chlorophyll b – Spirogyra.
2.
Carrageenan – fucoxanthin, chlorophyll a -- Laminaria
3.
autotrophy – chlorophyll a, chlorophyll b – Charophyta.
4.
phycocyanins – phycoerythrin, chlorophyll a – Chloropyta.1.
Oomycetes – cellulose plates2.
Radiolarians -- pseudopodia3.
Stramenopila -- flagella4.
Tubulinids -- pseudopodia
Solution
1.Examples of Rhizairians in the lab exercise are Formaniniferans and RADIOLARIANS both
with thread like PSEUDOPODIA
2.Dinoflagellates are now thought to share a common ancestor with ALGAE by evidence of the
presence of FLAGELLA
3.Phylogenetic group named a clade.
4.Opisthokonta, land plants and charophytes.
public static LinkedListInteger doLinkedListSearchSmallest(int .pdf
public static LinkedList doLinkedListSearchSmallest(int numItems) {
System.out.print(\"doLinkedListSearchSmallest: \");
LinkedList list = new LinkedList<>();
for(int i=0; i
Solution
Here i am just providing the TODO part as only thats expected.
We can get element at first index as below:
List stores element as object so
list.getFirst(); // function predefined.
Chapter 4 - Islamic Financial Institutions in Malaysia.pptx
Chapter 4 - Islamic Financial Institutions in Malaysia.pptxMohd Adib Abd Muin, Senior Lecturer at Universiti Utara Malaysia
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
Main Java[All of the Base Concepts}.docx
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama UniversityAkanksha trivedi rama nursing college kanpur.
Natural birth techniques are various type such as/ water birth , alexender method, hypnosis, bradley method, lamaze method etcMore Related Content
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Growth of Bacteria Bacteria grown in a laboratory are inoculated .pdf
Growth of Bacteria:
Bacteria grown in a laboratory are inoculated into a broth, and then grown for a period of time.
Typically, the growth pattern of any bacterial culture follows a regular pattern. Let
Solution
Put t=0
u get Po=1 million
Put t=450
u get M=100 million
as e^rt after this tends to zero as the value of bectaria have beacame constant
and use above value
Put t=2
10=100/(1+99*e^-2r)
10=1+99*e^-2r
1/root11=e^-r
e^r=root11
r=1.19
Now the expression is
P(t)=100/(1+99*e^-2*1.19)
put t=5
p(5)=9.84Million.
Businesses combine for many reasons. The rationale for combining som.pdf
Businesses combine for many reasons. The rationale for combining sometimes creates tunnel
vision where decision-makers fail to see all stakeholders and their potential impacts.
Suggest a stakeholder that is affected when companies combine. Also add the most important
considerations for this stakeholder during the combination planning process.
Solution
Corporate Social Responsibility (CSR) is the responsibility of an organization towards the
welfare and interests of the society in which it operates while maintaining a healthy bottom-line
of profits. Responsible, sustainable and transparent business models help build brand and
reputation as well as help strengthen the community and therefore the marketplace. Business
ethics examines ethical principles and moral or ethical problems that arise in a business
environment. Business ethics reflects the philosophy of business, one of whose aims is to
determine the fundamental purposes of a company. If a company\'s purpose is to maximize
shareholder returns, then sacrificing profits to other concerns is a violation of its fiduciary
responsibility.
The principles of right and wrong that guide an individual in making decisions are called ethics.
As ethics are about moral values, cultural assessments can be extremely valuable when assessing
the moral values in an organization. The message from businesses today is clear—employees
must be well trained and capable of making ethical decisions to protect the business from legal
liability and to maximize long-term profits.
3 Step checklist to analyze the ethics of common business situations:
The social responsibility movement is just one aspect of the overall discipline of business ethics.
Many companies believe they have a responsibility to \"give back\" to society. This focus
includes contributions of time and money, a duty to provide environmentally friendly products
and services, and a desire to improve the lives of individuals here and around the globe. A few
companies stand out as prime examples of how social responsibility can be productively coupled
with sound strategies to advance goodwill, while building sustainable and impressive businesses.
Burt’s Bees - The focus for Burt\'s Bees has always been on well-being and \"the greater good.\"
As part of the Natural Products Association, the company helped develop The Natural Standard
for Personal Care Products, which created guidelines for what can be deemed natural. Burt\'s
Bees follows the highest possible standards for packaging sustainability, furthering its dedication
to the cause as a member of the Sustainable Packaging Coalition. Since the brand\'s start at a
crafts fair selling $200 worth of honey, the company has since expanded to candles, lip balm and
now more than 150 products. In 2009, revenue topped $250 million.
The Body Shop - The Body Shop is regarded as a pioneer of modern corporate social
responsibility as one of the first companies to publish a full report on its efforts and initiatives..
C++ Programming (Please help me!! Thank you!!)Problem A Win SimU.pdf
C++ Programming: (Please help me!! Thank you!!)
Problem A: Win SimUniversity (20 points) Currently there is not way to “win” the game.
Modify the SimUniversity.cpp file to have a “hours until graduation” variable that starts at 48
(you may change this number for testing, but ensure you the code you submit has it at 48). In
addition to the normal output, give the time left to graduate as shown in the example below.
When you have graduated, end the game and tell them they have won. If you are expected to
graduate right when you would normally lose the game, you should graduate anyways and win
the game (see 2nd example). Please ensure you follow the sample output exactly
This is my program named SimUniversity.cpp to modify (you copy and paste to C++ to modify)
This is an example that I should get
Example 1 (user input is bold, board is not displayed because it is too big... do not change it):
Current stats are: Energy = 70, Entertainment = 70, Smartness = 70.
Current time: 8:00. You are at the Dorm. Do you want to (S)leep, do (H)omeowrk or (W)atch
some YouTube?
Do you want to (G)o to a different location?
g
Where do you want to travel to: (O, U, D)?
u
You go to University.
From your actions changed your stats by... Energy: -4, Entertainment: 0, Smartness: 0.
You have 47 hours left until graduation...
(Press enter to advance an hour)
Current stats are: Energy = 66, Entertainment = 70, Smartness = 70.
Current time: 9:00.
You are at the University. Do you want to (A)ttend class or (S)leep through lecture? Do you
want to (G)o to a different location?
a
You take copious notes and pay close attention to the material. From your actions changed your
stats by... Energy: - 4, Entertainment: - 8, Smartness: 3.
You have 46 hours left until graduation...
(Press enter to advance an hour)
... (skipping some time, this line is not actually output!) Current stats are: Energy = 67,
Entertainment = 50, Smartness = 73. Current time: 9:00.
You are at the Dorm.
Do you want to (S)leep, do (H)omeowrk or (W)atch some YouTube?
Do you want to (G)o to a different location?
h
You break out the books and pound through some problems. From your actions changed your
stats by... Energy: - 3, Entertainment: -20, Smartness: 3. You have 1 hours left until graduation...
(Press enter to advance an hour)
Current stats are: Energy = 64, Entertainment = 30, Smartness = 76.
Current time: 10:00.
You are at the Dorm.
Do you want to (S)leep, do (H)omeowrk or (W)atch some YouTube?
Do you want to (G)o to a different location?
w
OMG!! CATS!!!! From your actions changed your stats by... Energy: - 2, Entertainment: 20,
Smartness: - 1. You have 0 hours left until graduation...
You graduate from college.
(Press enter to advance an hour)
Solution
#include
#include
using namespace std;
class Room {
private:
// letters outline where the location is
char mapLetter;
// locations are rectangles....
int topLeftX;
int topLeftY;
int bottomRightX;
int bottomRightY;
// all good things have a name, right?
str.
You dont know the length, the width is four feet less than twice t.pdf
You don\'t know the length, the width is four feet less than twice the length. Represent both
amounts. If the length is represented by x, then the width is represented by? You may also use
the variable L to represent the length and write the width in terms of L.
Solution
Let length be x
width is four feet less than twice the length
twice the length: 2x
width = 2*x -4.
A polypeptide chain contains an amphipathic helix, with arginine and.pdf
A polypeptide chain contains an amphipathic helix, with arginine and lysine residues on one side
and hydrophobic residues on the other. It will likely enter:
the peroxisome.
ria.
the ER.
the lysosome.
the mitochondriaa.
the peroxisome.
ria.b.
the ER.c.
the lysosome.d.
the mitochondria
Solution
Amphipathic protein chain has positive amino residues at one end and negative amino residues at
other end. This arrangement, that acts as signal sequence, is recognised by specific receptors
present on mitochondrial membrane ,for protein precursors transloation from cytosol.
So Answer is D: Mitochondria.
9. Elaborate why materials have tendency to be corrodedSolution.pdf
9. Elaborate why materials have tendency to be corroded?
Solution
You understand that corrosion means oxidation in a generalized way. Means pure metals gets
converted into its oxide or sulfide forms depending on in which environment they are kept. For
example, iron converted to iron oxide when comes in contact with oxygen or water or silver
corrodes when comes in contact with atmospheric oxygen. So why do metals have tendency to
be corroded ?
There are several reasons for that as follows:
1. Pure materials are most likely unstable so they will try to regain their original state that is
oxides. so they will react with atmospheric oxygen or with water or with any other possible
medium which will come in contact with them. As atmosphere contain oxygen and moisture
(which is water) metals tends to react with them and forms oxides. (if metals are kept in pure
vacuum the metals will remain in their pure form and they are less likely to corrode)
2. Another scenario will be when metals are in excited form by some kind of energy excitation.
The most common example of this will be old car batteries in which two electrodes were in
contact with electrolyte and current is flowing continuously through both electrodes. And the
oxidation happens at Anode.
3. Then third reason would be reactivity of material with an environment. or it could be other
way around if an environment reactive then it will react with metal..
5. What are the main factors that affect the demand for the following.pdf
5. What are the main factors that affect the demand for the following infrastructure systems:
Light rail systems Education institutions Post offices hospitals
Solution
Light rail systems: In this the major factors affecting the demand are:
1. Public and their class, as if there is not much people to travel from one place to another than
the demand of transit will automatically be less and we also have to check whether the common
people can afford to choose light rail as a mode of transport.
2. The topographical features where it is to be established, as if the site is very hilly or sloped
than initial investment will be very high and this leads to high fare charges hence low demand.
Education institutions: Here we will have to consider :
1. The distribution of pubic according to the age group, as if we make a school at a place where
there are very less children density in the population then demand will be low.
2. The type or genre of education people living in the locality would prefer, i.e if music is a hot
topic of interest go for musical institiution, etc.
3. And the financial conditions would also affect the demand as cheaper the institute and better
the quality more will be the demand.
Post offices: In this
1. We will consider those routes first where the most of the traffic of letters is inclined and then
make the post office connecting those places. This can be done by origin and destination studies
of letters.
2. Now a days demand for post offices has dropped drastically because of telephone and internet
but still of we want to improve its demand we can incorporate the technology in it such as E-
POST, E-MAIL , etc this will surely affect the demand.
3. One of the major factorr affecting demand of post office is surrounding area, i.e if
surroundings are industrial or institutional then the demand will be high and if surrounding is
residential or say backwards then it will be low.
Hospitals: Here
1. Facilities provided by the hospitals greatly affect its demand as more the facility will attract
more customers
2. Again locality plays a major role in demand as in urban area demand will be high and in rural
area it will be low.
3. Specialisation in various medical fields like Heart, Surgery, Brain ,etc will make the hospital
more versatile and hence more demand..
1. Research Topic Research the problem of livelock in a networked e.pdf
1. Research Topic: Research the problem of livelock in a networked environment. Describe how
its consequences differ from those of deadlock, and give a real-life example of the problem that’s
not mentioned in this chapter. Identify at least two different methods the operating system could
use to detect and resolve livelock. Cite your sources.
Solution
A livelock is similar to a deadlock, except that the states of the processes involved in the livelock
constantly change with regard to one another, none progressing. Livelock is a special case of
resource starvation; the general definition only states that a specific process is not progressing.
A real-world example of livelock occurs when two people meet in a narrow corridor, and each
tries to be polite by moving aside to let the other pass, but they end up swaying from side to side
without making any progress because they both repeatedly move the same way at the same time.
Livelock is a risk with some algorithms that detect and recover from deadlock. If more than one
process takes action, the deadlock detection algorithm can be repeatedly triggered. This can be
avoided by ensuring that only one process (chosen randomly or by priority) takes action.
Source is from wikipedia , Deadlock
Methos to detect and resolve livelock :
1. Limiting interupt arrival rates.
2. Polling to provide fairness.
Polling and auditing are the best methods to detect for livelock. In a multiprocessor environment,
detecting a timeout would quickly throw the flag that a livelock has occured.
Once detected, Having an established master CPU resolve the livelock and redistribute to slaves
in a pre-emptive measure would be a relatively graceful way to reach a solution..
While George travels for two months, Mary agrees to house and care f.pdf
While George travels for two months, Mary agrees to house and care for George’s three horses at
her stables. The parties agree that Mary will pick up the horses on the first day of George’s trip
and George will pay Mary when he returns. George returns home from his travels and finds that
Mary never picked up the horses. George sues. What result?
a. The court will apply common law and Mary will lose.
b. The court will apply the UCC and Mary will lose.
c. The court will apply common law and Mary will win.
d. The court will apply the UCC and Mary will win.
Chef Jacquie is scheduled to teach a cooking class to three students. The class tuition is $1,100
per student. In the class each student cooks a French meal under Jacquie’s expert supervision,
and receives a cookbook (worth $30) and a cooking pan (worth $150). Tory, one of the students,
tells Jacquie the day before the class that she will be unable to attend and requests a refund.
Jacquie denies the refund and Tory sues. Tory claims that the UCC should govern the contract,
and Jacquie argues that it should be covered by the common law. Who is right?
d. Jacquie, because the agreement was a bilateral contract
Olivia agrees that she will bring Desiree a cherry pie every Monday for a month in exchange for
$15 per week. Olivia delivers a pie to Desiree for four weeks, and Desiree pays her each time.
Olivia continues to deliver Desiree pies every Monday, and Olivia continues to pay, for another
five weeks. On the tenth week, Olivia brings a pie and Desiree refuses to pay. Olivia sues for
payment. What result?
d. Olivia will win. The court will rule that they had an implied contract.
Interactive Data Corp. hired Foley as an assistant product manager, and over the next six years
Interactive steadily promoted him. Interactive officers repeatedly told Foley that he would have
his job as long as his performance was adequate. They also distributed an employee handbook
that specified termination guidelines that included a mandatory seven-step pre-termination
procedure. Foley learned that his supervisor was under investigation by the FBI, and he told
Interactive officers. Shortly thereafter, Interactive fired Foley. He sued, claiming that Interactive
could only fire him for good cause, after the seven-step procedure. Who wins?a. Tory, because
everyone in the class receives a cookbook, pan and food.b. Tory, because the cost of the class
was more than $500.c. Jacquie, because the class is primarily a service.
d. Jacquie, because the agreement was a bilateral contract
Olivia agrees that she will bring Desiree a cherry pie every Monday for a month in exchange for
$15 per week. Olivia delivers a pie to Desiree for four weeks, and Desiree pays her each time.
Olivia continues to deliver Desiree pies every Monday, and Olivia continues to pay, for another
five weeks. On the tenth week, Olivia brings a pie and Desiree refuses to pay. Olivia sues for
payment. What result?a. Desiree will win. Olivia assumed the risk of.
What law mandate SMEs in Ghana; Small and Medium-size Enterprises to.pdf
What law mandate SMEs in Ghana; Small and Medium-size Enterprises to keep accounting
records?.
Solution
All \'small and medium scale enterprises\' (SMEs) , state-owned organisations, and private
organisations are required to use the IFRS for SMEs starting with their financial statements for
2010.IFRSs are designed to apply to the general purpose financial statements and other
financial reporting of all profit-oriented entities. The International Financial Reporting Standard
for Small and Medium-sized Entities (IFRS for SMEs)
is issued by the International Accounting Standards Board (IASB).Section 4 sets out the
information that is to be presented in a statement of
financial position and how to present it. The statement of financial position
(sometimes called the balance sheet) presents an entity’s assets, liabilities and
equity as of a specific date—the end of the reporting period..
What is the leader’s role when a substitute such as a routine job an.pdf
What is the leader’s role when a substitute such as a routine job and/or technology is present and
operating?
Solution
A substitute is an individual or thing acting or utilized in place of another that renders leadership
not only impossible but rather unnecessary.Although it is said that, “For organizational members
to increase organizational and personal outcomes, they should be able to obtain both guidance
and positive feelings from their work settings and that effective leadership is defined as the
ability to supply subordinates with required guidance and good feelings which are not being
given by other sources. A substitute like a routine job and/or technology is never , “so strong as
to totally overwhelm the leader, or so weak as to need subordinates to rely entirely on him”
.Thus a leader’s role when a substitute such as a routine job and/or technology is present and
operating is to give subordinates with required guidance and positive feelings that the substitute
does not provide..
What function is associated with skeletal muscle cellsA. Some can.pdf
What function is associated with skeletal muscle cells?
A. Some can push and some can pull.
B. Some muscle cells can both push and then pull.
C. Can push only.
D. Can pull only.
Solution
The correct answer is : D.Can pull only
Reason:Skeletal muscles can only pull.Being are arranged in pairs,they pull the bones in opposite
directions..
What is ATP and how does it work Using what youve learned about c.pdf
What is ATP and how does it work? Using what you\'ve learned about cellular respiration,
provide a detailed, biological explanation as to why humans need to eat food and breathe air.
Explain how plants are adapted to living in hot, dry climates. Provide a biological explanation
for \"fall colors.\"
Solution.
Tangent.What is the domain and range of y=-tan xSolutionFor.pdf
Tangent.
What is the domain and range of y=-tan x?
Solution
For the function y = -tan x, the function takes an undefined value at x = pi/2 + n*pi where cos x
= 0. For all other x the function is defined.
This makes the domain of the function as all numbers except pi/2 + n*pi , where n is any integer.
The range is {R} as tan x can take on any real value..
Cells divide and multiply in number as they proceed through the cell .pdf
Cells divide and multiply in number as they proceed through the cell cycle. At some point
however cells need to stop multiplying and the cell cycle is halted. Given your knowledge on
mitosis think of two ways (methods, mechanisms procedures) a cell might stop it self from
dividing.
Solution
Cell cycle is hated when there is damage to DNA or there is not proper DNA replication. At
these points cell stops dividing.
A) DNA damage:
When there is damage in DNA then cell cycle stops dividing to facilitating DNA restore
pathways.
Methods involves are protein kinases of ATM/ATR own family called Tel1/Mec1 in budding
yeast and Tel1/Rad3 in fission yeast. These kinases senses DNA damages and phosphorylate
variety of proteins that regulate cell cycle development and DNA restore pathways.
B) DNA replication:
Accurate replication of the thousands and thousands or billions of DNA base pairs in a
eukaryotic genomeis essential. Damaged template, protein and poor supply of dNTPs are most of
the many obstacles that must be overcome to duplicate genome. All of those situations can stall
replication forks. Stalled forks pose threats to genome integrity due to the fact they could
rearrange, damage, or fall apart via disassembly of the replication complex .The pathways that
respond to replication stress are signal transduction pathways which might be conserved across
evolution.
Procedure are ATM/ATR of relatives kinases. These kinases collectively with a trimeric
checkpoint clamp (termed nine-1-1 complex) and 5-subunit checkpoint clamp loader (Rad17-
RFC2-RFC3-RFC4-RFC5) senses stalled replication forks and transmit a checkpoint .One of
principal functions of replication checkpoint is to prevent the onset of mitosis via regulating
mitotic control proteins which includes Cdc25. But possibly the maximum essential interest of
replication checkpoint is to stabilize and protect replication forks eight. The protein kinase Cds1
(human Chk2 homolog; in human, Chk1 is a purposeful Cds1 homolog) is a important effector of
the replication checkpoint within the fission yeast.
Cds1 is required to prevent stabilization of replication fork in cells deal with hydroxyurea (HU),
a ribonucleotide reductase inhibitor that stalls replication by depleting dNTPs. In the budding
yeast Saccharomyces cerevisiae, a failure to set off Rad53 (Chk2 homolog) is related to crumble
and regression of replication forks.
Simple question on variables wmy data sources in excel.I am curre.pdf
Simple question on variables w/my data sources in excel.
I am currently working on a project for my analytics class where we need the following:
1. 50 observations
2. 11 variables (10 independent, 1 dependent)
I want to be sure that I am not getting the beginning wrong, I plan to use data from different
cities so I have something that resembles the following.
###
So I\'m curious if I have 50 locations, then 10 random independent data variables and then 1
dependent where it calculates the percentage change from 1990 to 2010 is that correct? If not,
could you please give me an example of a correct table? Time is precious!
Thanks.LocationPopulation 2010Population 1990Denver, CO######Modesto,
CA######Washington, DC######Fresno, CA###
###
Solution
I think you are taking population as one of the 10 independent random variabes. You can add one
more column in the table \"percentage change\"..
Question 1Examples of Rhizairians in the lab exercise are Formanin.pdf
Question 1
Examples of Rhizairians in the lab exercise are Formaniniferans and ____________ both with
thread like __________.
Oomycetes – cellulose plates
Radiolarians -- pseudopodia
Stramenopila -- flagella
Tubulinids -- pseudopodia
Dinoflagellates are now thought to share a common ancestor with ___________ by evidence of
the presence of ________
1.
Green algae – cellulose wall -- chlorophyll a & b
2.
Ciliates -- alveoli
3.
Algae -- flagella
4.
Fungi – Diatoms – chlorophyll a but not chlorophyll b
The introductory pages of the Protists lab chapter indicate that groups of organisms with a
common ancestor are organized into what type of grouping?
1.
All the Protists separately
2.
Multiple phylogenetic trees from a common ancestor
3.
The major domain named Eukarya
4.
Phylogenetic group named a clade
4. The Super group Unikonta has two major clades, Amoebozoa and Opisthokonta.From which
of these two clades would fins the multicellular organisms that include sponges and us? Similarly
one Supergroup includes thefirst group of organism to colonize dry land ____________ and their
ancestors ______________
1.
Amoebozoa, animals and choanomonda
2.
Opisthokonta, land plants and charophytes
3.
All organism share a common ancestor to are really all related.
4.
Opisthokonta, land plants and chlorophytes
5. Red Algae share the characteristics of ___________ (mechanism of nutrition) and the
photosynthetic pigment _______ with Green Algae as it does with other alga. However they so
not share the characteristics of _________ (a photosynthetic pigment) specifically for the green
algae group named ___________ structural and functional similarities with modern plants.
1.
heterotrophy – chlorophyll b, chlorophyll b – Spirogyra.
2.
Carrageenan – fucoxanthin, chlorophyll a -- Laminaria
3.
autotrophy – chlorophyll a, chlorophyll b – Charophyta.
4.
phycocyanins – phycoerythrin, chlorophyll a – Chloropyta.1.
Oomycetes – cellulose plates2.
Radiolarians -- pseudopodia3.
Stramenopila -- flagella4.
Tubulinids -- pseudopodia
Solution
1.Examples of Rhizairians in the lab exercise are Formaniniferans and RADIOLARIANS both
with thread like PSEUDOPODIA
2.Dinoflagellates are now thought to share a common ancestor with ALGAE by evidence of the
presence of FLAGELLA
3.Phylogenetic group named a clade.
4.Opisthokonta, land plants and charophytes.
public static LinkedListInteger doLinkedListSearchSmallest(int .pdf
public static LinkedList doLinkedListSearchSmallest(int numItems) {
System.out.print(\"doLinkedListSearchSmallest: \");
LinkedList list = new LinkedList<>();
for(int i=0; i
Solution
Here i am just providing the TODO part as only thats expected.
We can get element at first index as below:
List stores element as object so
list.getFirst(); // function predefined.
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