Algebra Examples

$51$ , $48$ , $47$ , $46$ , $45$ , $43$ , $41$ , $40$ , $40$ , $39$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{51 + 48 + 47 + 46 + 45 + 43 + 41 + 40 + 40 + 39}{10}$

Step 2

Simplify the numerator.

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Step 2.1

Add $51$ and $48$ .

$\frac{99 + 47 + 46 + 45 + 43 + 41 + 40 + 40 + 39}{10}$

Step 2.2

Add $99$ and $47$ .

$\frac{146 + 46 + 45 + 43 + 41 + 40 + 40 + 39}{10}$

Step 2.3

Add $146$ and $46$ .

$\frac{192 + 45 + 43 + 41 + 40 + 40 + 39}{10}$

Step 2.4

Add $192$ and $45$ .

$\frac{237 + 43 + 41 + 40 + 40 + 39}{10}$

Step 2.5

Add $237$ and $43$ .

$\frac{280 + 41 + 40 + 40 + 39}{10}$

Step 2.6

Add $280$ and $41$ .

$\frac{321 + 40 + 40 + 39}{10}$

Step 2.7

Add $321$ and $40$ .

$\frac{361 + 40 + 39}{10}$

Step 2.8

Add $361$ and $40$ .

$\frac{401 + 39}{10}$

Step 2.9

Add $401$ and $39$ .

$\frac{440}{10}$

Step 3

Divide $440$ by $10$ .

$44$