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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