Simplify- log 4 1Solution log 4 1 - log 1 - log 4 - 0 (1).docx
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This document solves the logarithmic equation log 4 1. It works through the solution step-by-step, first rewriting log 4 1 as log 1 / log 4 according to logarithmic properties. Then, because anything to the power of 0 is 1, log 1 / log 4 equals 0. Therefore, the solution is 0.
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For most people- pay is considered to be- For most people- pay is.docx
For most people, pay is considered to be:
For most people, pay is considered to be:
For most people, pay is considered to be:
Solution
most people are aware of the notion of the 1 percent, although they still may not know exactly what it means or how that unequal distribution of wealth applies to the rest of the country.
Unequal wealth distribution is hardly a new or uniquely American problem. In fact, it
.
For flow in a rectangular channel of height H and width W- the pressur.docx
For flow in a rectangular channel of height H and width W. the pressure decreases linearly from p_1 to p_2 over a distance L. For the control volume indicated by the dashed lines, determine the pressure force on each of the six faces of the control volume. What is the net pressure force?
Solution
on the face of P 1 PRESSURE FORCE = INTENSITY*AREA = p 1 *H*W
on the face of P 2 PRESSURE FORCE = INTENSITY*AREA = p 2 *H*W
RESULTANT IN X DIRECTION = HW(P1-P2)
PRESSURE FORCE ON THE FACE PERPENDICULAR TO THE SCREEN( INWARD AND UOT WARD) = 1/2(P 1 +P 2 )*L*H
RESULTANT IN Y DIRECTION = 0
PRESSURE FORCE ON UPPER FACE = 0 (ASSUME ZERO FRICTION)
PRESSUREFORCE ON LOWER FACE = p*gH*L*W
RESYLTENT IN Z DIRECTION = p*gH*L*W
.
For each row in the table below- decide whether the pair of elements w.docx
For each row in the table below, decide whether the pair of elements will fo the compound. If the elements will form more than one compound, enter t may assume all chemical bonds are single bonds, not double o triple b element #1 | element #2 | compound formed? | chemical formula hydrogen iodinemolecular Do O ionic O neither O ionic sulfur chlorine O molecular O neither ionic cesium sulfur molecular O neither 1 Don\'t Know
Solution
Hydrogen and Iodine - molecular - HI(hydroIodic acid)
Sulfur&chlorine - molecular - SCl2
Cesium and Sulfur - ionic - CS2
Generally combinations of metal and non metal compound is ionic while non metal - non metal is molecular (covalent)
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For each of the following identify the type of account as an asset- li.docx
For each of the following identify the type of account as an asset, liability, equity, revenue, or expense.
Account Type of Account
a.cash
b.Legal Expense
c.Prepaid Insurance
d.Land
e.Accounts receivable
f.Diveidends
g.License fee revenue
h.Unearned revenue
i.Fees Earned
j.Equipment
k.Notes Payable
l. Common stock
Solution
a.cash - assets
b.Legal Expense - expense
c.Prepaid Insurance - asset
d.Land - asset
e.Accounts receivable - asset
f.Diveidends - equity
g.License fee revenue - revenue
h.Unearned revenue - liability
i.Fees Earned - revenue
j.Equipment - asset
k.Notes Payable - liability
l. Common stock - equity
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For C++ 1-Provide an example of a simple function and discuss what it.docx
For C++
1.Provide an example of a simple function and discuss what it does.
Solution
Functions are one of the important ways to decompose software into smaller,manageable parts.Functions can have return values (for example,a function that computed might return that value) or they can return nothing. If they return nothing, the return type is stated as void and the function is sometimes called a procedure.
Example :
void f()
{
///////
}
float g(intx,int y)
{
float sum=x+y;
float avg=sum/2.0;
return avg;
}
int main()
{
f();
float z=g(2,3);
}
In the above example function f() takes no parameters and returns nothing(taht is,its return type is void), and function g() takes two parameters of type int and returns a value of type float.
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for Arduino write a program to simulate the odd number count sequence-.docx
for Arduino write a program to simulate the odd number count sequence:1,3,5,7 in binary on LEDs
Solution
Answer
#here taken odd numbers
int ledPinValues[] = {1,3,5,7};
#setup the proces
void setup()
{
for (int i =0;i<4;i++)
{
pinMode(ledPinValues[i], OUTPUT);
}
}
void loop()
{
for (byte counter =0;counter<=15; counter++)
{
displayBinaryValues(counter);
delay(500);
}
}
void displayBinaryValues(byte numToShow)
{
for (int i =0;i<4;i++)
{
if (bitRead(numToShow, i)==1)
{
digitalWrite(ledPinValues[i], HIGH);
}
else
{
digitalWrite(ledPinValues[i], LOW);
}
}
}
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For an object to appear green- what must the object do to green light.docx
For an object to appear green, what must the object do to green light waves? O A. Shift them. O B. Reflect them. O C. Bend them. O D. Absorb them.
Solution
ANS: B) REFLECT THEM
This is because objects absorb most of the light, and reflect back the colour they are. So a yellow object under white light will absorb most of the colours of light, and reflect back the yellow light, so we can see yellow.
Because yellow light is a mixture of red and green light, yellow will also reflect red and green light. This means that a yellow object will appear red under red light, and green under green light. Yellow does not contain blue, so it will appear black under blue light.
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For $129-000 Blizzard- Inc- acquired 10- of PLAINS Co--'s outstanding.docx
For $129,000 Blizzard, Inc. acquired 10% of PLAINS Co.\'s outstanding common stock on January 1, 2014. At this date, the book value of all of PLAINS\' assets equaled their fair values except for a patent (5-year remaining useful life) that had a fair value that was $10,000 in excess of its book value. Blizzard categorized its investment as an available-for-sale security. In 2014 PLAINS earned net income of $440,000 and paid dividends of $108,000. On January 1, 2015,
Solution
a. 1. january,2015
Investment in PLAIN Dr.$256000
To cash $256000
(Being 20% of shares acquired of PLAIN)
Investment in PLAIN($520000 * 20%) Dr.$104000
To equityin PLAIN or Income $104000
(Being net income of PLAIN recorded as investment made in it)
cash(120000 * 20%) Dr.$24000
To Investment in PLAIN $24000
(Being dividend received)
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For most people- pay is considered to be- For most people- pay is.docx
For most people, pay is considered to be:
For most people, pay is considered to be:
For most people, pay is considered to be:
Solution
most people are aware of the notion of the 1 percent, although they still may not know exactly what it means or how that unequal distribution of wealth applies to the rest of the country.
Unequal wealth distribution is hardly a new or uniquely American problem. In fact, it
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For flow in a rectangular channel of height H and width W- the pressur.docx
For flow in a rectangular channel of height H and width W. the pressure decreases linearly from p_1 to p_2 over a distance L. For the control volume indicated by the dashed lines, determine the pressure force on each of the six faces of the control volume. What is the net pressure force?
Solution
on the face of P 1 PRESSURE FORCE = INTENSITY*AREA = p 1 *H*W
on the face of P 2 PRESSURE FORCE = INTENSITY*AREA = p 2 *H*W
RESULTANT IN X DIRECTION = HW(P1-P2)
PRESSURE FORCE ON THE FACE PERPENDICULAR TO THE SCREEN( INWARD AND UOT WARD) = 1/2(P 1 +P 2 )*L*H
RESULTANT IN Y DIRECTION = 0
PRESSURE FORCE ON UPPER FACE = 0 (ASSUME ZERO FRICTION)
PRESSUREFORCE ON LOWER FACE = p*gH*L*W
RESYLTENT IN Z DIRECTION = p*gH*L*W
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For each row in the table below- decide whether the pair of elements w.docx
For each row in the table below, decide whether the pair of elements will fo the compound. If the elements will form more than one compound, enter t may assume all chemical bonds are single bonds, not double o triple b element #1 | element #2 | compound formed? | chemical formula hydrogen iodinemolecular Do O ionic O neither O ionic sulfur chlorine O molecular O neither ionic cesium sulfur molecular O neither 1 Don\'t Know
Solution
Hydrogen and Iodine - molecular - HI(hydroIodic acid)
Sulfur&chlorine - molecular - SCl2
Cesium and Sulfur - ionic - CS2
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For each of the following identify the type of account as an asset, liability, equity, revenue, or expense.
Account Type of Account
a.cash
b.Legal Expense
c.Prepaid Insurance
d.Land
e.Accounts receivable
f.Diveidends
g.License fee revenue
h.Unearned revenue
i.Fees Earned
j.Equipment
k.Notes Payable
l. Common stock
Solution
a.cash - assets
b.Legal Expense - expense
c.Prepaid Insurance - asset
d.Land - asset
e.Accounts receivable - asset
f.Diveidends - equity
g.License fee revenue - revenue
h.Unearned revenue - liability
i.Fees Earned - revenue
j.Equipment - asset
k.Notes Payable - liability
l. Common stock - equity
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For C++ 1-Provide an example of a simple function and discuss what it.docx
For C++
1.Provide an example of a simple function and discuss what it does.
Solution
Functions are one of the important ways to decompose software into smaller,manageable parts.Functions can have return values (for example,a function that computed might return that value) or they can return nothing. If they return nothing, the return type is stated as void and the function is sometimes called a procedure.
Example :
void f()
{
///////
}
float g(intx,int y)
{
float sum=x+y;
float avg=sum/2.0;
return avg;
}
int main()
{
f();
float z=g(2,3);
}
In the above example function f() takes no parameters and returns nothing(taht is,its return type is void), and function g() takes two parameters of type int and returns a value of type float.
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for Arduino write a program to simulate the odd number count sequence-.docx
for Arduino write a program to simulate the odd number count sequence:1,3,5,7 in binary on LEDs
Solution
Answer
#here taken odd numbers
int ledPinValues[] = {1,3,5,7};
#setup the proces
void setup()
{
for (int i =0;i<4;i++)
{
pinMode(ledPinValues[i], OUTPUT);
}
}
void loop()
{
for (byte counter =0;counter<=15; counter++)
{
displayBinaryValues(counter);
delay(500);
}
}
void displayBinaryValues(byte numToShow)
{
for (int i =0;i<4;i++)
{
if (bitRead(numToShow, i)==1)
{
digitalWrite(ledPinValues[i], HIGH);
}
else
{
digitalWrite(ledPinValues[i], LOW);
}
}
}
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For an object to appear green- what must the object do to green light.docx
For an object to appear green, what must the object do to green light waves? O A. Shift them. O B. Reflect them. O C. Bend them. O D. Absorb them.
Solution
ANS: B) REFLECT THEM
This is because objects absorb most of the light, and reflect back the colour they are. So a yellow object under white light will absorb most of the colours of light, and reflect back the yellow light, so we can see yellow.
Because yellow light is a mixture of red and green light, yellow will also reflect red and green light. This means that a yellow object will appear red under red light, and green under green light. Yellow does not contain blue, so it will appear black under blue light.
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Solution
a. 1. january,2015
Investment in PLAIN Dr.$256000
To cash $256000
(Being 20% of shares acquired of PLAIN)
Investment in PLAIN($520000 * 20%) Dr.$104000
To equityin PLAIN or Income $104000
(Being net income of PLAIN recorded as investment made in it)
cash(120000 * 20%) Dr.$24000
To Investment in PLAIN $24000
(Being dividend received)
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FInd the zeros for the following polynomial function and give the mult.docx
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8(x-5)(x+7) 3
What is the value of the zero with the smaller multiplicity?
What is the multiplicity of this zero?
What is the value of the other zero?
What is the multiplicity of this zero?
Solution
8(x-5)(x+7) 3
zeros ==> x=5 and x=-7
x=5 is having smaller multiplicity
multiplicity of x=5 is 1
other zero is x=-7
multiplicity of x=-7 is 3
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Find the Thevenin impedance at terminals a-b of the circuit on the right.
Find the Thevenin impedance at terminals a-b of the circuit on the right.
Solution
Step 1 Make all sources to be zero so voltage source becomes short circuit
and R is parallel to C and the combination of R and C is in series with L
R parallel to C = R/(RCs+1)
Now this is in series with L
Z th = R/(RCs+1) +Ls
Z th = (R+RLCs 2 +Ls)/(RCs+1)
Putting the values of RLC
Z th = [1+(1*1*1(jw) 2 +1*jw]/(1*1*jw+1
Here w=1 and j 2 =-1
Z th = [1-1+j]/(j+1)
Z th = j/(j+1) or (j+1)/2
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Find the range and interquartile range and median of the following dat.docx
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11, 19, 5, 24, 3, 23, 16, 15, 16, 12, 6, 22, 11, 7
Solution
Range = 24 - 3 = 21
First quartile = 7
Third quartile = 19
Interquartile Range = 19 - 7 = 11
Median = (12 + 15) / 2 = 27/2 = 13.5
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Solution
Answer
a) concentration
Explanation
Transmittance(T) = I/I 0
I 0 = Incident intensity of light
I = transmitted intensity of light
Absorbance (A) = log(1/T) = log(I 0 /I)
log(I 0 /I) = abc
where,
a = molar extiction coefficient
b = bath length of light
c = Concentration
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Should OSs be proprietary so that the manufacturers will be able to ma.docx
Should OSs be proprietary so that the manufacturers
will be able to make enough profit to continue
their development or should the internals and specifications
of OSs be open for all users to know?
Solution
should OSS be proprietary?
No, OSS should not be proprietary to help manufacuturers will be able to make profit.
OSS makes money for manufacturers by helping its users install,use and troubleshooting it.
Open source softwares are built collarboratively by programmers all around the world. These softwares are developed rapidly and maintained easily.
Open sources are continuously modified to build better software.
The internals and specifications of open source software must be open for all users to know because it helps the programmers or students to develop new software and also to upgrade the software to better one.
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Social Media in Healthcare What are the strengths of using social medi.docx
Social Media in Healthcare What are the strengths of using social media in health-care?
Solution
Why this matters: Health care professionals have an obligation to create educational content to be shared across social media that will help accurately inform consumers about health related issues and out shine misleading information. The opinions of others on social media are often trusted but aren’t always accurate sources of insights, especially when it comes to a subject as sensitive as health.
Why this matters: 18 to 24 year olds are early adopters of social media and new forms of communication which makes it important for health care professionals to join in on these conversations where and when they are happening. Don’t move too slow or you risk losing the attention of this generation overtime.
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Sirius is a binary star, consisting of Sirius A and Sirius B. Sirius B is a
red giant.
planetary nebula.
white dwarf.
neutron star.
Solution
A white dwarf is what stars like the Sun become after they have exhausted their nuclear fuel.
Sirius B is White dwarf.
Correct ans. (c.) white dwarf
Thankyou
Please rate!
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Required:
a) Provide at least three weaknesses of AIS that hackers can exploit for gain and then
b) Suggest at least one control for each weakness
Solution
Systems become vulnerable to computer crimes due to lack of security and access of the computers by multiple users, Absence of segregation of duties.
Controls are:-
Detective Controls:- i.e. passwords to access the computer, Antiviruses, Firewall , Employ Qualified Personnels.
Some other controls are keeping guard at the entrance places and limited access of the computers only by the authorized personnels.
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Set up the chemical equation and balance for each (please write out ):
1) tin (4) phosphate + sulfuric acid = ?
2) lead (4) sulfide + hydrocyamic acid = ?
3) ammonium phosphite + dichromic acid = ?
4) mercury (1) hypoiodite + permanganic acid = ?
5) copper (1) carbonate + hydrosulfuric acid = ?
Solution
Chemical equations,
1) Sn3(PO4)4(s) + 6H2SO4(aq) --> 3Sn(SO4)2(aq) + 4H3PO4(aq)
2) PbS2(s) + 4HCN --> Pb(CN)4(aq) + 2H2S(aq)
3) 2(NH4)3PO3(aq) + 3H2Cr2O7(aq) --> 3(NH4)2Cr2O7(aq) + 2H3PO3(aq)
4) Hg(IO)2(s) + 2HMnO4(aq) --> Hg(MnO4)2(aq) + 2HIO(aq)
5) Cu2CO3(s) + H2S(aq) --> Cu2S(s) + H2O(l) + CO2(g)
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Soil Classification systems provide a common language to express concisely Sjeve analysis is carried out for soil panicle sizes hydrometer analysis for particle-size distribution curse is based on
Solution
8 - b
It is ratio of volume of voids to total volume
9 - a
It is ratio volume of voids to volume of solids
10 - d
It is ratio of weight of water to dry solid which can be greater than unity or 100%
11 - a
12 - d
Roof slab is not a soil component
13 - d
It gives general classification based on component, grain size and plasticity
14 - a
Larger soil sizes are not considered
15 - a
It is indeed based on Stokes law
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Solution
1) for HCl
HCl is strong acid
Its approximate pH will be 2
this is acid
use:
pH = -log [H+]
2 = -log [H+]
[H+] = 1*10^-2 M
This is proton donor
Answer:
2
acid
1*10^-2 M
proton donor
2) for NaOH
NaOH is strong base
pH will be close to 13
use:
pH = -log [H+]
13 = -log [H+]
[H+] = 1*10^-13 M
This is proton acceptor
Answer:
13
base
1*10^-13 M
proton acceptor
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So I attempted drawing the new signal below. It is reflected, shifted left pi/3 ... but I don\'t know how the exponential signal (alpha^n) is supposed to affect the signal back to the frequency domain!!! Please be clear in solution. =)
Sketch the DTFT of the sequence y(n) = x(- n) e-jn x /3 + alpha n for all n (a is a constant) Thise is the sketch without the constant alpha n :
Solution
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Clearly, for the DTFT to exist, the sum must converge.
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Silver is immediately above gold on the periodic table and the two met.docx
Silver is immediately above gold on the periodic table and the two metals have very close to the same lattice parameters. Why would you (naively) expect them to have very similar plasmon resonances? (What factor controls the frequency of the plasmon resonance?) The plasmon resonances for silver and gold are actually at about 400 and 520 nm respectively. Why are they so different?
Solution
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Shown below is an oxidation half-reaction in acidic solution- Which of.docx
Shown below is an oxidation half-reaction in acidic solution. Which of the following correctly balances the reaction? Zn --> Zn(OH) 2
a. Zn+2e ? +2H 2 O?Zn(OH) 2 +2H +
b. Zn+2H 2 O?Zn(OH) 2 +2H +
c. Zn+2H 2 O?Zn(OH) 2 +2H + +2e ?
d. Zn+2H 2 O?Zn(OH) 2 +2H + +e ?
Solution
Option C is correct
Balance as follows
Zn------> Zn(OH)2+ 2 e-
To balance oxygen atom add water at deficient side
Zn + 2 H2O - - - - - - - > Zn(OH)2+ 2 e-
To balance hydrogen add H+
Zn+ 2 H2O - - - - - - > Zn(OH)2 + 2 H+ +2e-
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FInd the zeros for the following polynomial function and give the mult.docx
FInd the zeros for the following polynomial function and give the multiplicity for each zero. For each zero, state whether the graph crosses the x-axis or touches the x-axis and turns around.
8(x-5)(x+7) 3
What is the value of the zero with the smaller multiplicity?
What is the multiplicity of this zero?
What is the value of the other zero?
What is the multiplicity of this zero?
Solution
8(x-5)(x+7) 3
zeros ==> x=5 and x=-7
x=5 is having smaller multiplicity
multiplicity of x=5 is 1
other zero is x=-7
multiplicity of x=-7 is 3
multiplicity of both the zeros is odd so at these zeroes graph crosses X axis
.
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Find the Thevenin impedance at terminals a-b of the circuit on the right.
Find the Thevenin impedance at terminals a-b of the circuit on the right.
Solution
Step 1 Make all sources to be zero so voltage source becomes short circuit
and R is parallel to C and the combination of R and C is in series with L
R parallel to C = R/(RCs+1)
Now this is in series with L
Z th = R/(RCs+1) +Ls
Z th = (R+RLCs 2 +Ls)/(RCs+1)
Putting the values of RLC
Z th = [1+(1*1*1(jw) 2 +1*jw]/(1*1*jw+1
Here w=1 and j 2 =-1
Z th = [1-1+j]/(j+1)
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Find the range and interquartile range and median of the following data set.
11, 19, 5, 24, 3, 23, 16, 15, 16, 12, 6, 22, 11, 7
Solution
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First quartile = 7
Third quartile = 19
Interquartile Range = 19 - 7 = 11
Median = (12 + 15) / 2 = 27/2 = 13.5
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Shen yOu are told to plot log olD versus concentration- what variable.docx
Shen yOu are told to plot log olD versus concentration, what variable blogl/ d. frequency CONcentration rmh wa of nroner graphing methods and
Solution
Answer
a) concentration
Explanation
Transmittance(T) = I/I 0
I 0 = Incident intensity of light
I = transmitted intensity of light
Absorbance (A) = log(1/T) = log(I 0 /I)
log(I 0 /I) = abc
where,
a = molar extiction coefficient
b = bath length of light
c = Concentration
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Should OSs be proprietary so that the manufacturers will be able to ma.docx
Should OSs be proprietary so that the manufacturers
will be able to make enough profit to continue
their development or should the internals and specifications
of OSs be open for all users to know?
Solution
should OSS be proprietary?
No, OSS should not be proprietary to help manufacuturers will be able to make profit.
OSS makes money for manufacturers by helping its users install,use and troubleshooting it.
Open source softwares are built collarboratively by programmers all around the world. These softwares are developed rapidly and maintained easily.
Open sources are continuously modified to build better software.
The internals and specifications of open source software must be open for all users to know because it helps the programmers or students to develop new software and also to upgrade the software to better one.
.
Social Media in Healthcare What are the strengths of using social medi.docx
Social Media in Healthcare What are the strengths of using social media in health-care?
Solution
Why this matters: Health care professionals have an obligation to create educational content to be shared across social media that will help accurately inform consumers about health related issues and out shine misleading information. The opinions of others on social media are often trusted but aren’t always accurate sources of insights, especially when it comes to a subject as sensitive as health.
Why this matters: 18 to 24 year olds are early adopters of social media and new forms of communication which makes it important for health care professionals to join in on these conversations where and when they are happening. Don’t move too slow or you risk losing the attention of this generation overtime.
.
Sirius is a binary star- consisting of Sirius A and Sirius B- Sirius B.docx
Sirius is a binary star, consisting of Sirius A and Sirius B. Sirius B is a
red giant.
planetary nebula.
white dwarf.
neutron star.
Solution
A white dwarf is what stars like the Sun become after they have exhausted their nuclear fuel.
Sirius B is White dwarf.
Correct ans. (c.) white dwarf
Thankyou
Please rate!
.
Simplify- log 4 1Solution log 4 1 - log 1 - log 4 - 0.docx
This document solves the logarithmic equation log 4 1. It works through the solution step-by-step, first rewriting log 4 1 as log 1 / log 4 according to logarithmic properties. Then, because anything to the power of 0 is 1, the solution is 0.
Several years ago a ring of foreign-based hackers broke into Town Bank.docx
Several years ago a ring of foreign-based hackers broke into Town Bank’s system and stole $10 million from its customers’ accounts. Discuss how systems can become vulnerable to computer crimes and then evaluate controls that strengthen those weaknesses.
Required:
a) Provide at least three weaknesses of AIS that hackers can exploit for gain and then
b) Suggest at least one control for each weakness
Solution
Systems become vulnerable to computer crimes due to lack of security and access of the computers by multiple users, Absence of segregation of duties.
Controls are:-
Detective Controls:- i.e. passwords to access the computer, Antiviruses, Firewall , Employ Qualified Personnels.
Some other controls are keeping guard at the entrance places and limited access of the computers only by the authorized personnels.
.
Set up the chemical equation and balance for each (please write out )-.docx
Set up the chemical equation and balance for each (please write out ):
1) tin (4) phosphate + sulfuric acid = ?
2) lead (4) sulfide + hydrocyamic acid = ?
3) ammonium phosphite + dichromic acid = ?
4) mercury (1) hypoiodite + permanganic acid = ?
5) copper (1) carbonate + hydrosulfuric acid = ?
Solution
Chemical equations,
1) Sn3(PO4)4(s) + 6H2SO4(aq) --> 3Sn(SO4)2(aq) + 4H3PO4(aq)
2) PbS2(s) + 4HCN --> Pb(CN)4(aq) + 2H2S(aq)
3) 2(NH4)3PO3(aq) + 3H2Cr2O7(aq) --> 3(NH4)2Cr2O7(aq) + 2H3PO3(aq)
4) Hg(IO)2(s) + 2HMnO4(aq) --> Hg(MnO4)2(aq) + 2HIO(aq)
5) Cu2CO3(s) + H2S(aq) --> Cu2S(s) + H2O(l) + CO2(g)
.
Soil Classification systems provide a common language to express conci.docx
Soil Classification systems provide a common language to express concisely Sjeve analysis is carried out for soil panicle sizes hydrometer analysis for particle-size distribution curse is based on
Solution
8 - b
It is ratio of volume of voids to total volume
9 - a
It is ratio volume of voids to volume of solids
10 - d
It is ratio of weight of water to dry solid which can be greater than unity or 100%
11 - a
12 - d
Roof slab is not a soil component
13 - d
It gives general classification based on component, grain size and plasticity
14 - a
Larger soil sizes are not considered
15 - a
It is indeed based on Stokes law
.
Solution Approximate Acid- Base- or Approximate pH (2- 5- 7- 9- orNeut.docx
Solution Approximate Acid, Base, or Approximate pH (2, 5, 7, 9, orNeutral? 13) Hydrogen lon Concentration Proton acceptor, donor, or both? HCI NaOH
Solution
1) for HCl
HCl is strong acid
Its approximate pH will be 2
this is acid
use:
pH = -log [H+]
2 = -log [H+]
[H+] = 1*10^-2 M
This is proton donor
Answer:
2
acid
1*10^-2 M
proton donor
2) for NaOH
NaOH is strong base
pH will be close to 13
use:
pH = -log [H+]
13 = -log [H+]
[H+] = 1*10^-13 M
This is proton acceptor
Answer:
13
base
1*10^-13 M
proton acceptor
.
So I attempted drawing the new signal below- It is reflected- shifted.docx
So I attempted drawing the new signal below. It is reflected, shifted left pi/3 ... but I don\'t know how the exponential signal (alpha^n) is supposed to affect the signal back to the frequency domain!!! Please be clear in solution. =)
Sketch the DTFT of the sequence y(n) = x(- n) e-jn x /3 + alpha n for all n (a is a constant) Thise is the sketch without the constant alpha n :
Solution
due to the 2?-periodicity of the DTFT, the integral in figure given can be computed over any 2?-wide interval on the real line (i.e. between 0 and 2?, for instance). The relation between a sequence x[n] and its DTFT X(exp(j?)) will be indicated in the general case by
x [n] == X (e^j? )
Clearly, for the DTFT to exist, the sum must converge.
.
Silver is immediately above gold on the periodic table and the two met.docx
Silver is immediately above gold on the periodic table and the two metals have very close to the same lattice parameters. Why would you (naively) expect them to have very similar plasmon resonances? (What factor controls the frequency of the plasmon resonance?) The plasmon resonances for silver and gold are actually at about 400 and 520 nm respectively. Why are they so different?
Solution
We expect the similar property from the silver and gold metal because they belong to 4d and 5d orbital and due to the lanthanoid contraction the both elements are similar in size. Due to having similar size they should show closely or similar phsical property. But they show different plasmon resonance at different wavelength the main reason behind it can be their conductivity, as surface plasmon resonance is due to the resonance or oscillation of conduction electron the silver metal have high conductivuty then gold it can be a reason of SPR at different wavelength.
.
Shown below is an oxidation half-reaction in acidic solution- Which of.docx
Shown below is an oxidation half-reaction in acidic solution. Which of the following correctly balances the reaction? Zn --> Zn(OH) 2
a. Zn+2e ? +2H 2 O?Zn(OH) 2 +2H +
b. Zn+2H 2 O?Zn(OH) 2 +2H +
c. Zn+2H 2 O?Zn(OH) 2 +2H + +2e ?
d. Zn+2H 2 O?Zn(OH) 2 +2H + +e ?
Solution
Option C is correct
Balance as follows
Zn------> Zn(OH)2+ 2 e-
To balance oxygen atom add water at deficient side
Zn + 2 H2O - - - - - - - > Zn(OH)2+ 2 e-
To balance hydrogen add H+
Zn+ 2 H2O - - - - - - > Zn(OH)2 + 2 H+ +2e-
.
Show that the subset S - {0-2-4-6-8} of Z10 is a subring- Does S have.docx
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