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15 August, 19:41

A square has side lengths of (4x+5) inches. Write an expression to represent the perimeter of the rectangle. Then find the perimeter if the value of x is 3 inches.

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  1. 15 August, 19:59
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    68 inches

    Step-by-step explanation:

    P = 2 (L + W)

    P = 2 (4x+5 + 4x+5)

    P = 2 (8x + 10)

    P = 16x + 20

    If x = 3

    P = 16 (3) + 20

    P = 48 + 20

    P = 68 inches
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