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aleksklad [387]
2 years ago
14

Could anyone help me with this?

Mathematics
1 answer:
Vaselesa [24]2 years ago
7 0

Answer:

Here is your answer with solutions.

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There are many cylinders with a height of 9 inches. Let r represent the radius in
mylen [45]

Answer:

Step-by-step explanation:

V, r, h are the volume, radius, and height, respectively.

V = πr²h = 9πr²

The only error in your previous answers was that you forgot the π.

if r = 1, V = 9π1² = 9π ≅ 28 in³

if r = 2, V = 9π2² = 36π ≅ 113 in³

if r = 3, V = 9π3² = 81π ≅ 254 in³

8 0
3 years ago
What is the approximate value of the square root of 8 rounded to the nearest tenth?
Elanso [62]

Answer:

Step-by-step explanation:

The square root of 8 to the nearest 100th is 2.83

The 3 is less than 5 so it does not alter the 8 at all.

The answer is 2.8

4 0
3 years ago
Which type of factoring is used to factor the following expression:<br> 2x^2 + 7x- 30
svetlana [45]

Answer:

 (2x - 5) • (x + 6)

7 0
3 years ago
NO LINKS OR ANSWERING WHAT YOU DON'T KNOW?
snow_lady [41]

Answer:

1. D. 1

2. B. y=a³/x

3. A. y=1/x

Step-by-step explanation:

too long to give te explanations but they're there in the attachments

7 0
2 years ago
More help :3 please and thnx
Mariana [72]

Answer:

a. there's a lot of options but here are a few: 1 and 5, 5 and 6, 2 and 1, 2 and 6

b. also a lot of options but here are a few: 1 and 6, 5 and 2, 3 and 8, 4 and 7

Step-by-step explanation:

supplementary angles are two angles that add up to 180 degrees, so essentially two angles that, combined, are equal to a straight line.

vertical angles are angles that are opposite each other when two lines cross.

6 0
3 years ago
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