1. add a negative 5x to both sides
2. add seven to both sides
3. there is your answer.

- Given - <u>a </u><u>cone </u><u>with </u><u>base </u><u>radius </u><u>9</u><u>m</u><u>m</u><u> </u><u>and </u><u>height </u><u>1</u><u>3</u><u> </u><u>mm</u>
- To calculate - <u>volume </u><u>of </u><u>the </u><u>cone</u>
We know that ,

<u>su</u><u>b</u><u>stituting </u><u>the </u><u>values</u><u> </u><u>in </u><u>the </u><u>formula</u><u> </u><u>,</u>

hope helpful ~
The answer is 48 but i dont really wanna explain
The sum of the first n terms of a geometric series with first term a₁ and common ratio r is given by the formula

Then your sum is

The sum of this geometric series with first term 3 and common ratio 3 is ...
J 9840