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Solve the formula S = 2 π r 2 + 2 π r h for h. Try It 2.59 Solve the formula A = P + P r t for t. Try It 2.60 Solve the formula A = P + P r t for r. Sometimes we might be given an

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Given a general quadratic equation of the form ax²+bx+c=0 with x representing an unknown, with a, b and c representing constants, and with a ≠ 0, the quadratic formula is: x= (-b±√ (b²-4ac))/2a
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