SOLUTION: Find the arithmetic mean of each pair of numbers -square root of 2 , 3 times the square root of 2

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Question 51029: Find the arithmetic mean of each pair of numbers
-square root of 2 , 3 times the square root of 2
Answer by jim_thompson5910(21685) About Me  (Show Source):
You can put this solution on YOUR website!
The arithmetic mean is the sum of all numbers divided by the number of numbers. So add up the numbers and divide by 2
%28-sqrt%282%29%2B3sqrt%282%29%29%2F2=%28%283-1%29sqrt%282%29%29%2F2=%282sqrt%282%29%29%2F2=sqrt%282%29
So the arithmetic mean is sqrt%282%29