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18 April, 22:50

At the beginning of a 10-hour experiment, a substance has an initial temperature of 19.7 degrees C. The substance is cooled at a constant rate of 2.6 degrees C per hour. What is the temperature of the substance at the end of the experiment?

Justify your answer using words and math. Explain.

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  1. 18 April, 22:55
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    -6.3

    Step-by-step explanation:

    2.6 * 10 (10 hours and 2.6 degrees) = 26

    19.7 - 26 = - 6.3
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