Basic Math Examples

Find the Mean 52 , 54 , 65 , 50 , 65 , 55 , 51
5252 , 54 , 65 , 50 , 65 , 55 , 51
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
52+54+65+50+65+55+517
Step 2
Simplify the numerator.
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Step 2.1
Add 52 and 54.
106+65+50+65+55+517
Step 2.2
Add 106 and 65.
171+50+65+55+517
Step 2.3
Add 171 and 50.
221+65+55+517
Step 2.4
Add 221 and 65.
286+55+517
Step 2.5
Add 286 and 55.
341+517
Step 2.6
Add 341 and 51.
3927
3927
Step 3
Divide 392 by 7.
56
 [x2  12  π  xdx ]