Mathematics

Mathematics, 26.06.2019 15:30, 2337911726

In science experiments , the temperature of a substance is changed from 42 ºf to - 54ºf at an average rate of - 12 degrees per hour. over how many hours does the change take place?

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In science experiments , the temperature of a substance is changed from 42 ºf to - 54ºf at an averag...

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