2 years ago

NEED HELP IM BEGGING FOR YOUR HELP PLEASE

Mathematics

1 answer:

avanturin [10]2 years ago

4 0

88/77 is the answer hope this helped

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ehidna [41]

Answer:

The answer would be 7.

Step-by-step explanation:

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3 years ago

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The cost of her lessons is 12.00$ per hour. The yogi master schedule lessons in whole hour increments from 1 to 3 hours in lengt

Ludmilka [50]

Answer:

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3 years ago

A conical tank (with vertex down) is 10 feet across the top and 12 feet deep. If water is flowing into the tank at a rate of 10

just olya [345]

Answer:

$\frac{dh}{dt}$ ≅ $0.286\frac{ft^{3} }{min}$

Step-by-step explanation:

$V=\frac{\pi }{3}r^{2}h$ ; rate of change $\frac{dV}{dt}=10\frac{ft^{3} }{min}$ , we must find the rate of change of the depth $\frac{dh}{dt} =?;h=8ft$

5h=12r; $V=\frac{\pi }{3}\({\((5h}/12} )} ^{2}h=\frac{\pi }{3}(\frac{25h^{2} }{144})h; V=\frac{25\pi h^{3}}{432}$ ; deriving $\frac{dV}{dt} = \frac{25\pi }{432}(3h^{2})\frac{dh}{dt}$ → $10=\frac{25\pi h^{2}}{144} \frac{dh}{dt}$ → h=8 then $\frac{dh}{dt}=\frac{1440}{25\pi 64}=\frac{9}{10\pi}$ ≅ 0.286 $\frac{ft^{3} }{min}$