katieroberson katieroberson

29-04-2020
Mathematics

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If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?

If the average arithmetic mean of 2 7 and x is 12 what is the value of x class=

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29-04-2020

Answer:

27. (2+7+27=36 36÷3=12) 36=total of the three numbers, 3=Amount of numbers, 12=Average

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