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The length of a rectangle is eight centimeters less than twice its width. If the perimeter of the rectangle is 20 centimeters, find its dimensions.
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Acylinder has volume 45π and radius 3. what is it’s height?
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On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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The length of a rectangle is eight centimeters less than twice its width. If the perimeter of
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