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Dmitriy789 [7]
2 years ago
9

Can someone help me with this? It's volume also. Please help!

Mathematics
2 answers:
3241004551 [841]2 years ago
8 0

Answer:

D

Step-by-step explanation:

The formula is area of circle x height

To find area do radius x radius x 3.14 so 49 x 3.14 = 153.86

Since the answer already has pi just do 49 x 10 = 490

sergij07 [2.7K]2 years ago
5 0

Given:

  • Radius,r =7cm
  • height ,h=10cm

To find out:

the volume of the cylinder

Formula used:

\pi \: r {}^{2} h

Solutions:

volume \: of \: cyli. = \pi \times 7 \times 7 \times 10

volume \: of \: cylinder= \red {490\pi}cm²

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A food company distributes its tomato soup in two cans of different sizes. For the larger can, both the diameter and the height
Lady_Fox [76]

Problem

A food company distributes its tomato soup in two cans of different sizes. For the larger can, both the diameter and the height have been increased by 15%.

By what percentage does the volume increase from the smaller can to the larger can? Round your answer to the nearest percent. ​

Solution

the volume of a cylinder is given by:

V=\pi r^2h

We know that the diameter=radius and the height are increased by 15% so then the new volume can be calculated on this way:

V=\pi(1.15r)^2\cdot(1.15h)=1.15^2\cdot1.15\cdot\pi\cdot r^2\cdot h=1.52\pi r^2h

And the new volume would increase about 52%

5 0
1 year ago
Someone please solve this. If m(x)= x^3 - 5x + 7 & f(x)= 2x - 3 What does: m(-3) - f(-3)
timofeeve [1]

Answer:

-2

step by step

(-3)^3-5(-3)+7-((2(-3)-3))

-27+15+7-(-6-3)

-27+15+7-(-3)

-27+15+7+3

-27+25

=-2

8 0
2 years ago
The owner of a small restaurant bought 75 kilograms of rice. Each week, the restaurant uses 4.5 kilograms of rice.
leva [86]

Answer:

6 weeks 27kilo

12 weeks 54 kilo

Step-by-step explanation:

4.5*12=54

4.5*6=27

3 0
3 years ago
Don’t get this at all??
DENIUS [597]
Are you sure your in high school, also it's answer #3.
6 0
2 years ago
Read 2 more answers
Mrs. Welch and her 7 children are shopping at a local grocery store. Each of the children will be allowed to select one box of c
Sholpan [36]

Answer: I am pretty sure the answer is 40,320

Step-by-step explanation:

If you do 8x7x6x5x4x3x2 it equals 40,320

7 0
3 years ago
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