Raymond B. answered • 01/07/26
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r = sqr(4x^2 +28x +49)
= sqr(2x +7)^2
= 2x+7 = radius of the circle
Jennifer O.
asked • 11/19/20algebra - expression to represent the radius of a circle
The area of a circle is represented by the expression (4x2 + 28x + 49) π. Write and expression to represent the radius if the circle.
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