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25 January, 09:08

An artist wants to frame a square painting with an area of 400 square inches if x is the length of the one side of the painting what equation ca you set up to find the length of a side how many solutions does the equation have?

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  1. 25 January, 09:14
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    There is only one solution to the equation. A quadratic equation has 2 solutions a positive and a negative, but since we are looking for length, the answer can only be postive. Area = side^2

    400 = x^2

    sqrt (400) = x

    20 inches = x

    The length of one side is 20 inches

    check: 20*20 = 400, which is the area of the square painting.
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