From V= 4/3*pi*r^3
<span>dV/dt = 4pi(r^2)dr/dt </span>
<span>so when dV/dt=30 and r = 19 </span>
<span>30 = 4pi(361)dr/dt </span>
<span>dr/dt = 30/[4pi(361)] </span>
<span>now in </span>
<span>A = 4pir^2 </span>
<span>dA/dt = 8pi(r)dr/dt </span>
<span>= 8pi(19)*30/[4pi(361)] </span>
<span>= you finish it.</span>
<span>HOPE THIS HELPS.
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Answer:
-8 / -7 / -3 / 2 / 5 / 10
Step-by-step explanation:
you have to arrange all the numbers from the smallest number to the greatest number, but in negative, always bigger number are considered small.
Answer:
y=x
Step-by-step explanation:
one type of coordinate cant = another
<span>Cone Volume = (<span>π<span> • r² •<span> h) ÷ 3
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<span>Cone Volume = (3.14 * 1.5^2 * 4.5) / 3
</span>Cone Volume = <span><span><span>10.5975
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answer is B
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