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SIMPHIWE MCHUNU Posted on Mar 04, 2018
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If the supply equation is given as P Qs = -200 + 10P, the price elasticity of supply between R40 and R50, calculated using the arc elasticity of demand, is ...

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Brett Duxbury

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  • Master 4,352 Answers
  • Posted on Mar 04, 2018
Brett Duxbury
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Its been a long time since I studied economics however read the article below and it shows you how to approach this problem and how to work out the demand elasticity from the information given to you.
https://www.khanacademy.org/economics-finance-domain/microeconomics/elasticity-tutorial/price-elasticity-tutorial/a/price-elasticity-of-demand-and-price-elasticity-of-supply-cnx

khanacademy.org

Price elasticity of demand and price elasticity of...

khanacademy.org

How do quantities supplied and...

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Jan 29, 2008

SOURCE: graphing

The first solution will allow you to watch your calculator graph two equations simultaneously rather than finishing one before graphing the next; it won't solve the problem of having the calculator unselect one equation when you select a second. To fix that problem, try the following:


In order to select additional graphs, the Transformation Graphing App will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus Family. Uninstalling the App does not erase it from the calculator, it disables it from interfering with the normal graphing modes. Below are the steps to successfully uninstall the App.

  • Press [APPS] key
  • Select Transfrm from the menu
  • Press 1:Uninstall
The illustration and solution are courtesy of Jesse Phillips, who cites this page from the Texas Instruments support site

- doug garfinkel, Children's Day School

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k24674

  • 8093 Answers
  • Posted on Oct 04, 2009

SOURCE: ACME Skateboards Inc., has paid

Hello,
Doesn't any body do their homework anymore? How are they supposed to learn anything?
Draw your graphs by hand or on a graphing calculator.
Think about the intersection points. (What does that mean when two curves intersect?)
Use the equation for the demand to obtain D for a particular x.
You can also determine by how much one function exceeds another for a particular value of the x variable (the graph is rather clear).
I assume you can solve a quadratic equation.
Use these hints to solve the problem.
Here is a graph. I even restricted it to the first quadrant so as not to mislead you into giving meaningless answers.


.e89465e.jpg

Hope it helps.

k24674

  • 8093 Answers
  • Posted on May 15, 2010

SOURCE: the calculator doesnt graph two equation on the

The Transfrm application for dynamic geometry is probably active in memory. You must purge it from RAM

  1. Press APPS
  2. Scroll Up or Down (Up is faster) to find Transfm.
  3. Select it and press ENTER
  4. Press the number corresponding to the option Uninstall.
  5. Once the APP is kicked out of memory you will be able to draw multiple functions.

Anonymous

  • 66 Answers
  • Posted on Jun 05, 2011

SOURCE: when then unit price is $10 the the daily demand

3x + 1/2y

bduxbury

Brett Duxbury

  • 4352 Answers
  • Posted on Jun 12, 2017

SOURCE: factors of price elasticity of supply

Price of product versus supply of product.
factors the term is determinates
see link below
http://www.economicsonline.co.uk/Competitive_markets/Price_elasticity_of_supply.html

economicsonline.co.uk

Economics Online

economicsonline.co.uk

Price elasticity of supply shows the...

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1answer

2x-y=4 5x-y=13 solve each system graphically check your solution
I don't know if you want to solve by elimination or substitution, so I will choose the easiest;) If you want the other repost and I will do it another way.

2x - y = 4
5x - y = 13

Looking at the equations, the easiest way to solve is by elimination because the y's line up already.

Since the signs on the y's are the same we will subtract the second line from the first line.

2x - y = 4
-(5x -y = 13)
-----------------
-3x = 0 = -9 (2x -5x =-3x, -y--y=0, 4-13=-9)

To get x by itself, divide both sides by -3

-3x = -9
---- ----
-3 -3

x = 3 (negative divided by negative is positive)

To calculate y, put x=3 into either equation. I will put it in the first one.

2 (3) - y = 4
6 - y = 4
y+ 6 - y = 4 + y (I want y positive, so I add y to both sides)
6 = 4 + y
-4 + 6 = 4 + y -4 (I want y by itself, so I subtract 4 from both sides)
2 = y

So my POI (point of intersection) is (3,2)

Normally, a lot of people end there, but I always like to check my answers to prove that I didn't make any silly mistakes.

To do this, I do a left side right side comparison using the equation that I didn't use to solve for the second variable.

Left Side Right Side
5x - y 13
5(3) - 2 13
15 - 2 13
13 = 13
QED

I just proved that I did it all correctly. It the left side didn't equal the right side, I would go back and find my error and recheck it with my left side right side check.

Good luck,

Paul

c6d29227-d8f1-4d86-8561-1edb7d50093c.png
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May 24, 2019 • Homework
0helpful
1answer

How do we show stagflation when calculating using Consumer Price Index
Stagflation is a combination of high inflation and high unemployment. The increase in the Consumer Price Index would show the high inflation. The Unemployment rate would show that the economy is not doing well.

Good luck,

Paul
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Oct 29, 2018 • Homework
0helpful
1answer

ImpDif(y^4+xy=x^3-x+2
Trying to pass a test?
* http://www.mathexams.com.au/wp-content/uploads/2015/12/2015-SM_Implicit-_differentiation_TInspireCAS.pdf
* https://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/implicitdiffsol2directory/ImplicitDiffSol2.html
* calculator; https://www.symbolab.com/solver/bernoulli-differential-equation-calculator/y%27%2B%5Cfrac%7B4%7D%7Bx%7Dy%3Dx%5E3y%5E2?or=ex


* Sorry don't understand any of this (Too early in morning.) proff. Mogonigal will turn you into a cat (or mouse and eat you).

Aloha, ukeboy57
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Aug 07, 2018 • Homework
0helpful
1answer

How to solve equations with calculator
I'm not sure which calculator you are using, but the website desmos.com can be used as an online calculator. You would enter the two lines and where they intersect, it will tell you the coordinates.

Doing it manually, you could use the elimination or substitution method.

By the elimination method:

x + y = 7 (1)
x + 2y = 11 (2)
------------------
0 - y = -4 subtracting (2) from (1)
y = 4
Substituting into (1) x + 4 = 7

x = 3 After subtracting 4 from both sides

Checking in the second equation
LS RS
3 + 2 (4) 11
3 + 8 11
11 11
LS = RS
QED

Good luck,

Paul
Read full answer
Mar 08, 2018 • Homework
0helpful
1answer

What is the value of p in the equation 3/5p(1+5/3)=3 1/2 ? Answer Choices 2316
it does not show choices - whats 2314?
so not certain if i'm right.
give choices and if i'm correct i will explain it.
is it written correctly as bracket has no p value so can be calculated without expanding out bracket.
Read full answer
Mar 07, 2018 • Homework
0helpful
1answer

Find an equation of the line that has a slope of 2 and a y intercept of -3
A straight line can be written in the form y=mx+b, where m is the slope and b is the y-intercept.

In this case, we are given the slope (2) and the y-intercept (-3).

y=2x-3

Good luck,

Paul
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Nov 19, 2017 • Homework
0helpful
1answer

The equation of the straight line PQ is 3-2kx+k+1=12,calculate,in each case,the numerical value of k if the line PQ is parrallel to the line y=4x+7;is perpendicular to the line y=4x+7;
that sounds like a problem about "slopes" so I am looking at using the derivative, which is basically the slope of the graph.
- the equation of line PQ can be simplified to y(x) = -2kx + k -8
- derivative relative to X (k is a constant) gives you -2k
- derivative of y(x) = 4x + 7 relative to x gives you 4

if the lines are parallel then the slopes are equal:
-2k=4 gives you k = -2 => your function becomes y = 4x - 8

if the lines are perpendicular the two slopes multiplied together give you -1:
-2k * 4 = -1 gives you k=1/8 => function becomes y = -1/4x - 7/8 or in other words y = -(2x+7)/8

I have made graphic representation and it looks to be correct.
I hope it makes sense.
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Apr 12, 2017 • Homework
0helpful
1answer

The equation of the straight line PQ is (3-2k)x+(k+1)=12,calculate,in each case,the numerical value of k
I think you are missing some information in the question. Please provide the complete question.
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Apr 12, 2017 • Homework
0helpful
1answer

What is the slope and y intercept of -2,1 and 5,-5
slope or m = (y2 -y1)/(x2-x1)
always start with the same point.

m = (1 - (-5))/(-2-5)
m = (1 + 5)/(-7)
m = 6/-7
m = -6/7

The y-intercept is the b in the equation y=mx+b.
We can use either point to calculate b. Let's use (-2,1). So every time we see x, we put in -2, and every time we see y, we put in 1.

y = -6/7x + b
1 = -6/7 (-2) + b
1 = 12/7 + b
1 = 1 5/7 + b
-5/7 = b
So, y = -6/7x - 5/7

To check, we substitute in the other point and see if the left side is equal to the right side.

LS RS
-5 -6/7(5) - 5/7
-5 -30/7 - 5/7
-5 -35/7
-5 -5
LS = RS
QED


Good luck,

Paul
Read full answer
Mar 23, 2017 • Homework
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