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Brrunno [24]
2 years ago
5

A company makes cylindrical crackers that have a cylindrical hole in the middle.

Mathematics
1 answer:
statuscvo [17]2 years ago
8 0

Answer:

2714 mm3

Step-by-step explanation:

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∠1 and​ ​ ∠2 ​ ​are complementary angles. m∠1=13° What is the measure of ​ ∠2 ​​?
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Measure of angle 2 is 77. hope this helped.
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What numbers fall between 4.7 and 4.8 on a number line
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Step-by-step explanation:

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The histograms below show the heights (in meters) of the tallest buildings in China and the United States.
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A and B

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3 years ago
A series of three? separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers. Each
Nadya [2.5K]

Answer:

312.5\pi \text{ km}^3\approx 981.75\text{ km}^3

Step-by-step explanation:

We have been given that a series of 3 separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers.

Each of the three tunnels is shaped like a half-cylinder with a radius of 5 meters.

Since we know that volume of a semicircular or a half cylinder is half the volume of a circular cylinder.

\text{Volume of a semicircular cylinder}=\frac{\pi r^2h}{2}, where,

r = Radius of cylinder,

h = height of the cylinder.

Upon substituting our given values in volume formula we will get,

\text{Volume of a semicircular cylinder}=\frac{\pi (5\text{ km})^2*25\text{ km}}{2}

\text{Volume of a semicircular cylinder}=\frac{\pi*25\text{ km}^2*25\text{ km}}{2}

\text{Volume of a semicircular cylinder}=\frac{\pi*625\text{ km}^3}{2}

\text{Volume of a semicircular cylinder}=\pi*312.5\text{ km}^3

\text{Volume of a semicircular cylinder}=\pi*312.5\text{ km}^3

\text{Volume of a semicircular cylinder}=981.74770\text{ km}^3

Therefore, the volume of earth removed to build the three tunnels is 312.5\pi \text{ km}^3\approx 981.75\text{ km}^3.


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3 years ago
A flagpole stands in the middle of a flat, level field. 50 feet away from its base, a surveyor measures the angle to the top of
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Answer:

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Step-by-step explanation:

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