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Need help A metal bar is heated and then allowed to cool. Its temperature T (in C) is found to be T = 5 +

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Need help

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A metal bar is heated and then allowed to cool. Its temperature T (in C) is found to be T = 5 + 75 e 0.20t where t (in min) is the time of cooling. Find the time rate of change of temperature after 10.0 min. After 10.0 minutes, the time rate of change is degrees per minute. (Round to three decimal places as needed.)

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