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ddd [48]
3 years ago
9

What is the y-intercept of 2x+5y=−20 ? (0,−4) (10,4) (0,10) (−4,0)

Mathematics
2 answers:
vovangra [49]3 years ago
5 0

Answer:

(0,-4)

Step-by-step explanation:

Just took the quiz

Katen [24]3 years ago
3 0
Okay so for this problem you want to change it to an slope-intercept equation (y=mx+b, where m=slope and b=y intercept). so first you want to subtract 2x from both sides to isolate 5y, which gives you 5y=-2x-20. After that you want to isolate y so you’ll divide both sides by 5. This gives you y=-2/5(x) - 4. because b is the y-intercept and -4=b, then the y-intercept is -4. from here you need to know that coordinates are listed as (x, y) so the y-intercept is where x is equal to 0. So the answer is (0,-4). Does that make sense?
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Alexxx [7]

Answer:

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Step-by-step explanation:

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3 years ago
[2.03] Solve: 4(x + 1) = 4x + 4<br><br> No Solution<br><br> 0<br><br> Any Real Number<br><br> 1
vampirchik [111]
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Read 2 more answers
In which of the following cases is productive efficiency not satisfied? Assume we start at a point on the PPF between two produc
DaniilM [7]

Answer:

A. The economy switches to producing less of one product without increasing the production of the other product

Step-by-step explanation:

PPC is the graphical representation of product combinations that an economy can produce, given resources & technology. It is downward sloping because given resources & technology, production of a good can be increased  by decreasing production of other good.

It is based on assumption that resources are efficiently utilised. Points on PPC show resources efficient utilisation, Points under PPC show under utilisation, Points outside PPC are beyond country's productive capacity.

If country produces less of a good without increasing production of other goods, implying wasted resources & production below PPC. This case doesn't satisfy productive efficiency

Other cases : Producing more of a good & less of other is just re allocative movement on the PPC itself. Production point at PPF intersection with either axis implies economy is producing only the good on that axis.

In all the cases except A. satisfy the 'productive efficiency'

3 0
3 years ago
Please help<br> 1. f(x)=3(2)^x<br> 2. f(x)=2(3)^x<br> 3. f(x)=3(1/2)^x<br> 4. f(x)=2(1/3)^x
stellarik [79]

Answer:

C. f(x)=3(1/2)^x

Step-by-step explanation:

standard form of a function is f(x)=ab^x

a should be 3, or the y value where the x value is 0

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8 0
3 years ago
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Angelina_Jolie [31]

Answer:

3

Step-by-step explanation:

15 men would be left

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