In terms of its radius 
, the volume of the balloon is
The diameter 
is twice the radius, so that in terms of its diameters, the balloon's volume is given by
Differentiate both sides with respect to time 
:
The diameter increases at a rate of 
. When the diameter is 
, we have
or about 23,562 cc/min (where cc = cubic centimeters)
Answer:
9
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
s=7
2s+3
=2(7)+3
=14+3
=17
Hope it helps.
Hello!
A(r) is a function. It takes a value of r, and from that calculates the value A. In this case, it takes the value of a radius, and <u>depending on what that value is</u>, it calculates the area.
A(3) would therefore represent the area based off of a radius of 3.
Hope this helps!
Answer:
31
Step-by-step explanation:
