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5 June, 01:52

The width of a rectangle is 3 less than twice its length. if the area of the rectangle is 193 cm 2 cm2, what is the length of the diagonal

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  1. 5 June, 02:05
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    W=2L-3

    W*L=193

    replace W with 2L-3: (2L-3) L=193

    2L^2-3L-193=0

    Cannot factor

    are you sure the numbers are correct?

    If it cannot be factored, use the quadratic formula to find out L, then you can find out W

    use the Pythagorean theorem to find the diagonal. I don't see an easier way.
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