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gizmo_the_mogwai [7]
3 years ago
15

A rectangular street sign has an area of 40 square inches and a perimeter of 28 inches. What are the dimensions of the sign?

Mathematics
2 answers:
Usimov [2.4K]3 years ago
8 0

Answer: 4 inches by 10 inches

Step-by-step explanation:

The area of a rectangle can be written as b*h, while perimeter is equal to (2b +2h).

A = b*h = 40

P = 2b + 2h = 28

P = 2b + 2h

28 = 2b + 2h

28 = 2(b+h)

14 = b + h

What two numbers add to 14 and multiply to 40?

4 * 10 = 40

4 + 10 = 14

kow [346]3 years ago
3 0

Answer:

10 and 4

Step-by-step explanation:

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