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5. A cup of coffee is cooling down in a room. The temperature TC of the coffee, t minutes after it was made is
5. A cup of coffee is cooling down in a room. The temperature TC of the coffee, t minutes after it was made is modelled by T = 20 + 50e 1st, t0 15 a. State the temperature of the coffee when it was first made. b. Find the temperature of the coffee, after 30 minutes. c. Calculate, to the nearest minute, the value of t when the temperature of the coffee has reached 35C
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