Basic Math Examples

Find the Mean 76 , 76 , 65 , 65 , 66
7676 , 7676 , 6565 , 6565 , 6666
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
76+76+65+65+66576+76+65+65+665
Step 2
Simplify the numerator.
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Step 2.1
Add 7676 and 7676.
152+65+65+665152+65+65+665
Step 2.2
Add 152152 and 6565.
217+65+665217+65+665
Step 2.3
Add 217217 and 6565.
282+665282+665
Step 2.4
Add 282282 and 6666.
34853485
34853485
Step 3
Divide.
69.669.6
 [x2  12  π  xdx ]  x2  12  π  xdx