4t=r
a=pir^2
sub 4t for r
a=pi(4t)^2
a=pi16t^2
a(t)=16pi(t^2)
A. a(t)=16pi(t^2)
B. sub 4 for t
a(4)=16pi4^2
a(4)=16pi16
a(4)=16*16*3.14
a(4)=803.84 square units
A. a(t)=16pi(t^2)
B. 803.84 square units
Answer:
x=6561
Step-by-step explanation:
We can solve this equation for x to get

Answer:
yes, 2 gallons
Step-by-step explanation:
I’m pretty positive it is just 5.70 you just take out the 4.
Answer:
that means you need to find the surface area, but not the part that is touching the ground or the bottom.