<span>v = 4/3*pi*r^3
derivating both sides with respect to t
dv/dt = 4*pi*r^2*dr/dt
when d = 1.7, r = 0.85, and dv/dt = 2:
2 = 4*pi*(0.85)^2*dr/dt
thus
dr/dt = 1/(2pi*(0.85)^2)
=1/(2*3.14*0.85^2)
=0.22</span><span />
I bealive it is b. ( I had the exact same 7 th grade homework page ad u today;)
Answer:
Step-by-step explanation:
37
The answer is going to be 20 inches. hope that helped
Both trees would be the same in 2 years at 7 feet.
Hope this helps.
