Dr /dt = 7
A = pi r^2
dA / dr = 2pir
dA/dt = dA/dr * dr/dt = 2pir * 7 = 14pir
when r = 12 rate of change of the area = 14*pi*12 = 168pi
= 527.79 cm^2 / minute to nearest hundredth
Answer:
A. 14
Step-by-step explanation:
we subtract 200.39 from our total cost, which gives us 1,079.54 and then we divide by the amount she earns a week, 77.11. to get 14. it will take riley 14 weeks to have enough money to get the television.
There are 24 right handed people and 6 left handed people.
Answer: 55cents
Step-by-step explanation:
33 divided by 60 is 0.55