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22-09-2018
Mathematics

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In a lab a substance was cooled by 42C over a 7 hours at a constant rate. What was the change in temperature each hour?

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Аноним Аноним

22-09-2018

The rate of change is -6c per hour.

42c/7=6.

I believe the rate of change is negative because the question states that the temperature is decreasing.

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