Algebra Examples

Find the Mean 58 , 48 , 49 , 61 , 58 , 51 , 39
58 , 48 , 49 , 61 , 58 , 51 , 39
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
58+48+49+61+58+51+397
Step 2
Simplify the numerator.
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Step 2.1
Add 58 and 48.
106+49+61+58+51+397
Step 2.2
Add 106 and 49.
155+61+58+51+397
Step 2.3
Add 155 and 61.
216+58+51+397
Step 2.4
Add 216 and 58.
274+51+397
Step 2.5
Add 274 and 51.
325+397
Step 2.6
Add 325 and 39.
3647
3647
Step 3
Divide 364 by 7.
52
 [x2  12  π  xdx ]