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3 years ago

9

A travel mug of 91∘C coffee is left on the roof of a parked car on a cold winter day. The temperature of the coffee after t minu

tes is given by H=91(2)−t/14. After how many minutes will the coffee be only lukewarm (30∘C)?

1 answer:

GREYUIT [131]3 years ago

3 0

Answer: A

Explanation:

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