Basic Math Examples

Find the Mean 3 , 6 , 9 , 15 , 21 , 33
, , , , ,
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
Step 2
Cancel the common factor of and .
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Step 2.1
Factor out of .
Step 2.2
Factor out of .
Step 2.3
Factor out of .
Step 2.4
Factor out of .
Step 2.5
Factor out of .
Step 2.6
Factor out of .
Step 2.7
Factor out of .
Step 2.8
Factor out of .
Step 2.9
Factor out of .
Step 2.10
Factor out of .
Step 2.11
Factor out of .
Step 2.12
Cancel the common factors.
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Step 2.12.1
Factor out of .
Step 2.12.2
Cancel the common factor.
Step 2.12.3
Rewrite the expression.
Step 3
Simplify the numerator.
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Step 3.1
Add and .
Step 3.2
Add and .
Step 3.3
Add and .
Step 3.4
Add and .
Step 3.5
Add and .
Step 4
Divide.