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Mathematics 7 Online
maryafred:

A potato is taken from the oven, its temperature having reached 350 degrees. After sitting on a plate in a 70-degree room for twelve minutes, its temperature has dropped to 250 degrees. In how many more minutes will the potato’s temperature reach 120 degrees? Assume Newton’s Law of Cooling, which says that the difference between an object’s temperature and the ambient temperature is an exponential function of time.

sealake101:

ok so what do u think u should do?

jhonyy9:

so from these given details you know that in 12 minutes the potato temperature was dropped from 350 degrees to 250 degrees so this mean that in 12 minutes the potato temperature decreased 100 degrees

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