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andreyandreev [35.5K]

3 years ago

12

8.1)? || What is the area of the reindeer barn in feet? 45 yards 25 yards er

2 answers:

Leno4ka [110]3 years ago

8 0

Answer:

I think the answer is 20

docker41 [41]3 years ago

4 0

I’m pretty sure the answer is 20

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How do you connect the ideas of congruency and rigid motion and how do you prove congruency?

larisa86 [58]

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3 years ago

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ziro4ka [17]

The answer is given below:

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Lapatulllka [165]

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3 years ago

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Arisa [49]

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3 years ago

Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min, and its coarseness is such that it forms a pile in the shap

pogonyaev

Answer:

Rate of increase in height = $\frac{dh}{dt}=0.3156ft/min$

Step-by-step explanation:

we know that volume of a cone is given by

$V=\frac{1}{12}\pi d^{2}h$

It is Given that diameter equals height thus we have

$V=\frac{1}{12}\pi h^{2}h\\\\V=\frac{1}{12}\pi h^{3}$

Differentiating both sides with respect to time we get

$\frac{dV}{dt}=\frac{1}{12}\pi \frac{dh^{3}}{dt}\\\\\frac{dV}{dt}=\frac{1}{12}\pi(3h^{2}\frac{dh}{dt})$

Applying values and solving for $\frac{dh}{dt}$ we get

$\frac{dh}{dt}=\frac{12\frac{dV}{dt}}{3\pi h^{2}}\\\\\frac{dh}{dt}=0.3156ft/min$

8 0

3 years ago