Dr/dt= 8cmM-¹
dA/dt = ?
but A= πr²
so dA/dr =2πr
but recall
dA/dt = dA/dr • dr/dt
dA/dt = 2πr • 8cmM-¹
dA/dt = 2×π×39 ×8 = 624cm²M-1
Answer:I belive it is 56 I may be wrong but it iz what it iz
Step-by-step explanation:
U put two dots on the line to make one
Answer:
Step-by-step explanation:Fist I would add 2x+y=8 then the other one.
