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8 September, 22:13

A loaf of bread is removed from an oven and is left setting to cool. It's temperature t minutes after being removed from the oven is given by the equation T (t) = 103e^-0.0182t + 73. Whatbis the temperature of the kitchen What is the initial temperature of the bread and whatbis temperature after 90 minutes

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  1. 8 September, 22:29
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    Initial tempuratire is at t=0

    T (0) = 103e^0+73=103 (1) + 73=103+73=176 degrees

    after 90 mins

    T (90) = 103e^-0.0182*90+72

    T (90) = 103e^-1.638+73

    T (90) = 19.6589+73

    T (90) = 92.6589 degrees
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