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Alex73 [517]
3 years ago
13

In a race, 16 out of the 25 bicyclists finished in less than 51 minutes. What percent of bicyclists

Mathematics
1 answer:
Sholpan [36]3 years ago
3 0
I think it’s 25x if not send the equation answers
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Cylinders A and B are similar. The volume of cylinder A is 20mm3. Calculate the volume of cylinder B.
MrRa [10]

The question is incomplete. The complete question is :

Cylinders A and B are similar. The length of the cylinder A is 4 mm and the length of cylinder B is 6 mm. The volume of cylinder A is 20mm3. Calculate the volume of cylinder B.

Answer:

67.5 mm^3

Step-by-step explanation:

Given that :

Cylinder A and cylinder B are similar.

Let volume of cylinder A = 20 mm^3

We know the volume of a cylinder is given by V = $\pi r^2 h$

where, r is the radius of the cylinder

            h is the height of the cylinder

We have to find the scale factor.

The length scale factor is = $\frac{6}{4}$

                                          $=\frac{3}{2}$

Area scale factor $=\left(\frac{3}{2}\right)^2$

                           $=\frac{9}{4}$

∴ Volume scale factor $=\left(\frac{3}{2}\right)^3$

                                     $=\frac{27}{8}$

Therefore, the volume of cylinder B is $=20 \times \frac{27}{8}$

                                                               = 67.5 mm^3

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Find the domain of the graphed function​
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Answer:

2greater then or equal to x 5 greater then or equal to

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Help me please!! If you do you will get 25 points :)
Radda [10]

Answer:

24 units by 15 units

Step-by-step explanation: To find how many units the length and width are, divide each by 5:

120/5 = 24

75/5= 15

For every 5 feet, there is 1 unit .

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2b^2 +32b + 128 <br> Pls answer this
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Answer:

{2b}^{2}  + 32b + 128

Factor and get

x =  - 8

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Plato math algebra 2
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