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23-08-2016
Mathematics

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The temperature T in degrees Celsius of a liquid t minutes after heating is given by the formula T=8√t. When is the temperature 48 degrees celsius?

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23-08-2016

T=8√t
T=temperature
t=time in minutes.
If T=48, we have to calculate the time.

48=8√t
(48)²=(8√t)²
2304=64t
t=2304 / 64=36

answer: 48 degrees Celsius will be reached in 36 minutes.

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