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3 years ago

A rectangle has an area of 54 square centimeters. The width is 3 more

Mathematics

1 answer:

Troyanec [42]3 years ago

7 0

Answer:

W = 6

L = 9

Step-by-step explanation:

area = 54 = L x W

L = W + 3

substitute for L:

54 = W(W + 3)

W² + 3W = 54

W² + 3W - 54 = 0

(W + 9)(W - 6) = 0

W = 6

L = 6 + 3 = 9

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