Given:
The edge length of a cube is changing at a rate of 10 in/sec.
To find:
The rate by which cube's volume changing when the edge length is 3 inches.
Solution:
We have,
We know that, volume of cube is
Differentiate with respect to t.
Substituting 
and a=3, we get
Therefore, the volume increased by 270 cubic inches per sec.
Answer:
alan received 24 votes
Step-by-step explanation:
bark
3.25555 as a fraction<span> equals </span><span>325555/100000</span>
9 - C
10 - B
11 - B
12 - A
13 - A
14 - C
15 - B
16 - B
17 - A
(15×4)÷6[{32÷4(7×2-15+5)}+3]
=60÷6[{32÷4(14-15+5)}+3]
=60÷6[{32÷4(19-15)}+3]
=60÷6[{32÷4(4)}+3]
=60÷6[{32÷16}+3]
=60÷6[{2}+3]
=60÷6[5]
=60÷30
=2
