SOLUTION: How do I find the mean of 12,-8,-9?
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Question 988787: How do I find the mean of 12,-8,-9?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Add them and divide by the number of them, which is three here.
They add up to minus 5
Divide by 3, -5/3
That is the mean. -1 2/3 or -1.66666 (repeat) are alternative ways to write it.
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