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27 November, 22:33

The area of a rectangle is 2x^2+9x+10ft^2 what is the perimeter of this rectangle?

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  1. 28 November, 10:50
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    (2x^2 + 9x + 10) ft^2 = area

    Factor the area

    (2x + 5) (x + 2) = area

    Perimeter = 2length + 2 (width)

    2 (2x + 5) + 2 (x + 2)

    4x + 10 + 2x + 4

    Answer: 6x + 14 ft = Perimeter
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