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Jobisdone [24]
2 years ago
11

What is the domain and range ​

Mathematics
1 answer:
Svetach [21]2 years ago
5 0

Answer:

Domain is the x values

Range is the y values

I hope this is good enough:

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The area on a wall covered by a rectangular poster is 270 square inches. The length of the poster is 1.2 times longer than the w
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Answer:

Length = 18 in

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Step-by-step explanation:

We have that the area of a rectangle is:

A = L * W

but L = 1.2 * W

A = 1.2 * (W ^ 2)

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(W ^ 2) = 270 / 1.2

W ^ 2 = 225

Therefore, W is equal to:

W = 225 ^ (1/2)

W = +/- 15, but only +15 makes sense

W = 15

Now for L:

L = 1.2 * 15

L = 18

A = 15 * 18 = 270 in ^ 2

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