To answer the question we proceed as follows:
suppose a cone has a height x units and radius x units
volume will be:
v=1/3πr²h
V=1/3πx³ cubic units

when we add 1 unit to the radius and subtract 1 unit from the height the volume will be:
v=1/3π(x+1)²(x-1)
v=1/3π(x³+x²-x-1) cubic units

comparing the above values for volume we conclude that the volume will not be the same. This means the volume won't stay the same after changes.

5 0

4 years ago

Your teacher writes the fact below on the board.Using only mental math, will the answer be less than or greater than 5? How do y

Levart [38]

Answer:

Less than 5

Step-by-step explanation:

The eason behind the answer being less than 5 is because if you multiply something by a fraction that is less than a whole number, then you will get less than the original number you multiplied the fraction with.

Hope this helps :)

4 0

2 years ago

Write a linear expression in the simplest form to represent the perimeter of the triangle at the right. Then find the perimeter

Vinil7 [7]

Answer:

P= 22x+10 7x+9x+6x+8+6-4 = 22x+10

when x=10, 22(10)+10=230mm

8 0

3 years ago