Algebra Examples

3

$3$ ,

4

$4$ ,

5

$5$ ,

6

$6$ ,

7

$7$

Step 1

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

\frac{3 + 4 + 5 + 6 + 7}{5}

$\frac{3 + 4 + 5 + 6 + 7}{5}$

Step 2

Simplify the numerator.

Tap for more steps...

Step 2.1

Add

3

$3$ and

4

$4$ .

\frac{7 + 5 + 6 + 7}{5}

$\frac{7 + 5 + 6 + 7}{5}$

Step 2.2

Add

7

$7$ and

5

$5$ .

\frac{12 + 6 + 7}{5}

$\frac{12 + 6 + 7}{5}$

Step 2.3

Add

12

$12$ and

6

$6$ .

\frac{18 + 7}{5}

$\frac{18 + 7}{5}$

Step 2.4

Add

18

$18$ and

7

$7$ .

\frac{25}{5}

$\frac{25}{5}$

\frac{25}{5}

$\frac{25}{5}$

Step 3

Divide

25

$25$ by

5

$5$ .

5

$5$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$