Question: In designing plastic pipe, if the inner radius r is increased by 5.00 cm, and the inner cross-sectional area is increased by between 125 cm

In designing plastic pipe, if the inner radius r is increased by 5.00 cm, and the inner cross-sectional area is increased by between 125 cm² and 175 cm², what are the possible inner radii of the pipe?

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Lets denote the original inner radius of the pipe as r and the new inner radius as r 5 We can use th... View full answer

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