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OpenStudy (anonymous):
given the mean of 4, 7, x, 9 and 8 is 16, find the value of x
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OpenStudy (anonymous):
to find the mean, you add everything together and divide by the number of terms you added. so... you would add everything together and divide by 5 to get 16... so the sum of all of the numbers and x would have to = 16*5, which is 80... so subtract the sum of all of the numbers from 80 to get x
OpenStudy (anonymous):
thank
OpenStudy (anonymous):
your welcome :)
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