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KATRIN_1 [288]
3 years ago
11

If a plant manufacturing carpet backing has a cylindrical tank that is 3 meters high and is 6 meters in diameter, what is the vo

lume of the tank?
Mathematics
2 answers:
Alik [6]3 years ago
7 0
The formula for the volume of a cylinder is \pi  r^{2} h

We know the diameter, so we can easily find the radius.  The diameter is twice as long as the radius, so we divide the diameter by 2 to find the radius.  This is equal to 6/2 = 3.  Now, we plug our numbers into the formula.

\pi * 3^{2} *3= \pi *9*3=27 \pi m^{3}

This could also be written: 84.82  m^{3}

Both 27 pi cubic meters and 84.82 cubic meters are correct answers, so choose whichever one you think your teacher would prefer.
Mazyrski [523]3 years ago
3 0
The formula of the volume of a cylinder is: V = PI (3.14) times radius squared times height, so...
V = PI times half of the diameter, which is 3, squared and times by 3 (the meters of height).
Now, V = PI times 9 times 3. PI (3.14) times 9 = 28.26 times 3 = 84.78.
So, the volume of the cylindrical tank is 84.78 meters cubed (volume is always cubed).
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4 0
3 years ago
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What is 4 percent of 1425
hammer [34]
4% outta 1425 is 57| The amount is 57.
8 0
3 years ago
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Please help me. I'm going to fail if someone doesn't and quick please.
Ainat [17]

Answer:

D

Step-by-step explanation:

To find volume, you have to multiply all the given sides. Therefore, 14 x 5 x 6 = 2,100. (5 x 6=30 x 14=2100)

7 0
3 years ago
Maddy has a bag of 36 marbles. The probability of picking green is 1 in 2, the probability of picking red is 1 in 3, and the pro
KonstantinChe [14]

Answer:  1 in 18

This is the same as writing the fraction 1/18

==============================================================

Explanation:

Since she has 36 marbles total, and the probability of picking green is 1 in 2, this means (1/2)*36 = 18 marbles are green.

Then she also has (1/3)*36 = 12 red marbles and (1/9)*36 = 4 blue marbles.

So far, that accounts for 18+12+4 = 34 marbles in all. That leaves 36-4 = 2 marbles left over that must be black, as it's the only color left.

From that, the probability of choosing a black marble is 2/36 = 1/18.

There's a 1 in 18 chance of Maddy picking a black marble.

1/18 = 0.0556 = 5.56% approximately

7 0
2 years ago
Can anyone help me pls ( if you can, can you do it on paper and post it with the answer)
Alla [95]

Answer:

x = 6

Step-by-step explanation:

44 + 3x = 5x + 2x + 20 transfer like terms to the same side of the equation with the opposite sign:

44 - 20 = 5x + 2x - 3x add/subtract like terms

24 = 4x divide both side by 4

6 = x

8 0
2 years ago
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