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 lengt

Question

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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Adalynn 2 weeks 2021-11-15T08:57:41+00:00 1 Answer 0 views 0

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    2021-11-15T08:59:32+00:00

    Answer:

    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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45:7+7-4:2-5:5*4+35:2 =? ( )