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Basic Math Examples
, ,
Step 1
Multiply by .
Step 2
Multiply by .
Step 3
Multiply by .
Step 4
The mean of a set of numbers is the sum divided by the number of terms.
Step 5
Step 5.1
Factor out of .
Step 5.2
Factor out of .
Step 5.3
Factor out of .
Step 5.4
Factor out of .
Step 5.5
Factor out of .
Step 5.6
Cancel the common factors.
Step 5.6.1
Factor out of .
Step 5.6.2
Cancel the common factor.
Step 5.6.3
Rewrite the expression.
Step 5.6.4
Divide by .
Step 6
Step 6.1
Add and .
Step 6.2
Add and .