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3 years ago

A cylinder has a diameter of 22 cm and a height of 9 cm. Identify the volume of the cylinder to the nearest tenth. HELP PLEASE!!

Mathematics

1 answer:

OlgaM077 [116]3 years ago

7 0

Answer: 3421.19

Step-by-step explanation:

look up cylinder formula and r= radius which is just the diameter cut in half

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write a word problem that can be solved using a system of two linear equations. solve the problem and give the meaning of the an

dmitriy555 [2]

Answer:

The sum of two numbers is 25. One of the numbers exceeds the other by 9. Find numbers

the other number = x + 9

Let the number be x.

Sum of two numbers = 25

According to question, x + x + 9 = 25

⇒ 2x + 9 = 25

⇒ 2x = 25 - 9

⇒ 2x = 16

⇒ 2x/2 = 16/2

⇒ x = 8

Therefore, x + 9 = 8 + 9 = 17

Therefore, the two numbers are 8 and 17.

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3 years ago

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(x2 +10x +18)÷(x + 5)<br> Long division

pychu [463]

Answer:

12x+18/x+5

Step-by-step explanation:

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3 years ago

10. On one night, a group of 9 rats carried away 45 kg of food. What is the reduced ratio of rats to food weight

GenaCL600 [577]

Answer:

Number of rats : Food weight = 1 : 5

Step-by-step explanation:

Number of rats in the group = 9

Weight of food carried away by them = 45 kg

Ratio of the number of rats and food weight = $\frac{\text{Number of rats}}{\text{Weight of food carried by the rats}}$

= $\frac{9}{45}$

= $\frac{1\times 9}{5\times 9}$

= $\frac{1}{5}$

Therefore, Number of rats : Food weight = 1 : 5

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3 years ago

the diagram shows a circle of radius 3cm drawn inside a square.write down the exact value of the following and state whether the

rewona [7]

Answer:

The circumference of the circle

Step-by-step explanation:

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2 years ago

Billy wanted to write a ratio of the number of apples to the number of peppers in his refrigerator. He wrote 1:3. Did bully writ

Ludmilka [50]

Answer:

Billy is incorrect. The ratio of the number of apples to the number of peppers is 3:1

Step-by-step explanation:

See the attached figure to better understand the problem

Let

x ----> the number of apples

y ----> the number of peppers

we have

$x=3\ apples$

$y=1\ peppers$

The ratio of the number of apples to the number of peppers is equal to

$\frac{x}{y}$

substitute

$\frac{3}{1}$

therefore

Billy is incorrect. The ratio of the number of apples to the number of peppers is 3:1

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4 years ago

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