Thursday, December 17, 2009

How do you solve the arithmetic mean between two numbers?

For example, how would you solve:


7 and 13?


456 and 555?


256 and 326?


-32 and 30?How do you solve the arithmetic mean between two numbers?
the mean of two numbers a and b is (a+b)/2


answer for first is (7+13)/2=10, the rest is similarHow do you solve the arithmetic mean between two numbers?
Add and divide by the number of terms.





7+13=20


20/2=10





ETC...
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