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katrin [286]
3 years ago
14

The height of a conical sand pile is always twice the radius. if sand is being added to the pile at a rate of 30π cubic centimet

ers per minute, how fast is the height of the pile increasing when the circumference of the base of the sand pile is 120π centimeters?

Mathematics
1 answer:
saw5 [17]3 years ago
4 0
Check the attached file for the answer.

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Pls help ASAP math plsssss
mars1129 [50]

Answer:

ASAP meaning as soon as possible

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If f(x)=4x+9+2, which inequality can be used to find the domain of f(x
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If your friend leaves your house at a speed of 8mph and two hours later you follow in your car at 40mph, how long will It be bef
dusya [7]

Answer:

  • 1/2 hour
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Step-by-step explanation:

Your friend has a head start of (2 h)×(8 mi/h) = 16 mi.

When you leave, you gain on your friend at the rate of 40 mph - 8 mph = 32 mph. So, it will take ...

  (16 mi)/(32 mi/h) = 1/2 h

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In that 1/2 hour, you have traveled ...

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3 years ago
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DerKrebs [107]

Answer:

The correct option is B.

Step-by-step explanation:

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We need two angles and a non included side, to use AAS postulate.

In option A, two sides and their inclined angle are congruent, therefore these triangles are congruent by SAS postulate and option A is incorrect.

In option B, two angles and a non included side are congruent, therefore these triangles are congruent by AAS postulate and option B is correct.

In option C, two angles and their included side are congruent, therefore these triangles are congruent by ASA postulate and option C is incorrect.

In option D, all sides are congruent, therefore these triangles are congruent by SSS postulate and option D is incorrect.

8 0
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devlian [24]

Answer:

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For a vertical parabola, the line of symmetry is x=h

x = 7

5 0
3 years ago
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