Answer:
I'm gonna have to say False
Step-by-step explanation:
when you round to the nearest tenth you get 90 and 119. 119 - 90 is 29 not 29.99
ANSWER

EXPLANATION
The volume of the cone is

The height of the is 6 inches.
We put the values into the volume of cone to get.


Divide through by 2π.

The expression on the LHS is a perfect square trinomial.


309x+489(11-x)=4299
Solve for x
X=6 for 309
11-6=5 for 489