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The width of a rectangle is 9in, shorter than its length

The area of the rectangle is 252 in2

What is the length of the rectangle

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Answers (2)
  1. 5 July, 12:08
    0
    I think the length is 21 in because ...

    the width (W) is x-9

    X (x-9) = 252

    X^2 - 9x-252=0

    (X-21) = 0 and (x+12) = 0

    x=21 or x=-12

    the only one that works is 21 and I checked the answer so I'm pretty sure it's 21
  2. 5 July, 12:18
    0
    I believe the length is 28in
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