A bottle of white wine at room temperature (68°f) is placed in a refrigerator at 4 p. m. its temperature after t hr is changing at the rate of - 18e-0.6t °f/hour. by how many degrees will the temperature of the wine have dropped by 5 p. m.? (round your answer to one decimal place.) 17.0 changed: your submitted answer was incorrect. your current answer has not been submitted. your answer has the wrong sign.°f what will the temperature of the wine be at 5 p. m.? (round your answer to one decimal place.) °f

Question

Mathematics

Dominic Fox

4 June, 20:50

A bottle of white wine at room temperature (68°f) is placed in a refrigerator at 4 p. m. its temperature after t hr is changing at the rate of - 18e-0.6t °f/hour. by how many degrees will the temperature of the wine have dropped by 5 p. m.? (round your answer to one decimal place.) 17.0 changed: your submitted answer was incorrect. your current answer has not been submitted. your answer has the wrong sign.°f what will the temperature of the wine be at 5 p. m.? (round your answer to one decimal place.) °f

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Abby · Answer 1

After an hour (4pm to 5pm) the temperature drops 18e⁻⁰˙⁶=9.9℉, so the temperature after an hour will be 68-9.9=58.1℉.

(The change - 18e⁻⁰˙⁶ is negative indicating a drop in temperature.)