the temperature at 12 noon was 17 degree Celsius about zero if it decreases at the rate of 2 degree Celsius per hour until midnight at what time would the temperature be 3 degree Celsius below zero
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Till 4 a.m. the temperature will be -3℃
casey3:
i want solution please
hiiiii
ok,then difference between 12 noon and midnight is about 12 hrs ,so at tye rate of -2℃ per hour ,the temperature at midnight will be (17 ℃-12℃)5℃.then after four hours i.e. 4 a.m. ,the temperature will be (5℃-(2×4)℃)-3℃..
thanks
hope this makes it easier to understand..
yup
hmmm
Answered by
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-3° C is the correct answer
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