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2 years ago

Which part of this graph shows a linear relationship?

Mathematics

1 answer:

Anna007 [38]2 years ago

3 0

Part 3 of the graph shows a linear relationship. This is because a line that is linear is a straight line and part 3 of the graph is the only straight line. Hope this helps!

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A triangle has vertices at (4,-2), (2,2) and (4,6). What are the vertices of the image of the triangle after applying the transl

Paha777 [63]

I believe it’s D. Hope this helps

4 0

2 years ago

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Carlotta handpaints T-shirts and sells them to her friends. She uses the equations below to determine her costs and the amount o

spayn [35]

Profit = Income - cost
Profit = 10s - (28 + 3s) = 10s - 28 -3s = 7s - 28.

Profit = 0

0 = 7s - 28

7s = 28
7s = 28/7
s = 4. This is the breakeven point.

Carlota must sell more than 4 shirts to make a profit

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2 years ago

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A spherical balloon is inflating with helium at a rate of 64 pi StartFraction ft cubed Over min EndFraction . How fast is the b

olga2289 [7]

Answer:

The radius of the balloon is increasing at a rate of 4 feet per minute.

Step-by-step explanation:

We are given the following in the question:

$\dfrac{dV}{dt} = 64\pi \dfrac{\text{ ft}^3}{\text{min}}$

Volume of sphere is given by

$V = \dfrac{4}{3}\pi r^3$

where r is the radius of the balloon.

Instant radius, r = 2 ft

Rate of change of volume =

$\dfrac{dV}{dt} = \dfrac{d}{dt}(\dfrac{4}{3}\pi r^3)\\\\\dfrac{dV}{dt} =4\pi r^2\dfrac{dr}{dt}$

Putting values, we get,

$64\pi = 4\pi (2)^2\dfrac{dr}{dt}\\\\\Rightarrow \dfrac{dr}{dt} = 4$

Thus, the radius of the balloon is increasing at a rate of 4 feet per minute.

5 0

2 years ago

Lilian says that 25% of a number will always be less than 75% of any other number. Complete one inequality to support Lillian's

rjkz [21]

She is incorrect cause if we take the number 20 and take 25% of it it equals 5 so now 20 is only 15. They if we take 75% away from 20 is equals 15 so then we only have 5 from 20 left. Therefore she’s incorrect because 75% leaves 5/20 and 25% leaves 15/20. Hope that makes sense.

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2 years ago

the perimeter of a picture frame is 24 inches if the width of the picture frame 5 inches what is the length of the picture frame

Ket [755]

You would divide 24 by 5 so the length would end up being: 4.8 in
Hope it helps!

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3 years ago