Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 month ago

The length of a rectangular piece of sheet metal must be 3in. longer than the width Find dimensions that will provide an area of 180 sq.in. ?

3 Answers

Relevance
  • 1 month ago

    15 * 12

    w^2+3w-180

  • David
    Lv 7
    1 month ago

    The dimensions are 15 inches by 12 inches

  • 1 month ago

    L = W+3

    A = LW = W(W+3) = 180

    W² + 3W – 180 = 0

    (W + 15)(W – 12) = 0

    W = 12, –15

    skipping the negative result

    W = 12 in

    L = 15 in

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