Answer:
168
Step-by-step explanation:
(X-2y)5=(3)5. 5x-10y=7 we - So 5x-10y-5x- 10y=-8
-20y=-8. y=8 over 20
Multiply everything in the parenthesis by 3.
9x - 24 = 4x + 6
Add 24 to both sides.
9x = 4x + 30
Subtract 4x from both sides.
5x = 30
Divide both sides by 5.
x = 6
Hope this helps!
Hello!
The equation to find the volume of a cone is

r is radius
h is height
Put in the values we know

Square the number

multiply 81 by 3.14

Multiply
339.12
The answer is 339.1 cubic inches
Hope this helps!