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An artist wants to frame a square painting with an area of 400 square inches . she wants
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An artist wants to frame a square painting with an area of 400 square inches . she wants

An artist wants to frame a square painting with an area of 400 square inches . she-example-1
User Bytefish
by
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1 Answer

3 votes
(a)
x^(2) = 400
(b)
√(x^2) = √(400)

x=20,-20
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches
User Aron
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