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3 November, 23:11

The area of a rectangular swimming pool is 360 square feet. If the length of the swimming pool is 9 feet more than its width, find the length of the pool

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  1. 4 November, 02:11
    0
    l = 24ft

    Step-by-step explanation:

    A = lw

    360 = (x + 9) (x)

    360 = x^2 + 9x

    0 = x^2 + 9x - 360

    0 = (x + 24) (x - 15)

    x ≠ - 24 (length cannot be negative)

    x = 15

    l = 15 + 9

    l = 24ft
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