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lesya [120]
2 years ago
5

Find the circumference of a circle with a diameter of 9 in.

Mathematics
1 answer:
Arturiano [62]2 years ago
8 0

Answer:

28.27 inches

Step-by-step explanation:

circumference of a circle = πd

9π = 28.27

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- 4y³ – 7y²– 2y ² – 7x – 4y² + y²​
nikklg [1K]

Answer:-4y^3-12y^2-7x

Step-by-step explanation:if you collect the liked terms it will add up to get that

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3 years ago
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If the mean of x and 4x is 10, the x = ?
Tom [10]
Divide the 10 by 4, which makes the x be 2.5. You can check it by multiplying 4 by 2.5, which will give you 10.
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3 years ago
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Judy is pulling on a trunk with a 12-N force. Ike pulls at right angles to Judy. With how much force must Ike pull to make the r
Ratling [72]
To understand the problem, let's first draw a free body diagram of the forces exerted by Judy and Ike on the truck. (Refer to the left side of the attachment).

To solve for the resultant, we just use the tip-to-tail method. This is illustrated on the right side of the attachment.

We can see that the tip-to-tail method forms a right triangle thus we can just apply the Pythagorean theorem in solving for Ike's force.

20^{2} = 12^{2} + F^{2}
400 = 144 + F^{2}
256 = F^{2}
F = 16.0

ANSWER: Ike must pull the truck with a force of 16.0 N.

8 0
3 years ago
Write this ratio as a fraction in the simplest form 3 feet to 63 inches
Andrei [34K]

Answer:

4:7

Step-by-step explanation:

Okay, so first convert the feet to inches so 3x12=36. So the it's 36:63. Then if you simplify it you get 4:7.

3 0
3 years ago
I can type 4 words per minute. How long will it take me to write<br> an 500 words essay
Lostsunrise [7]

Answer:

125 min

Step-by-step explanation:

given :

4 words -----> takes 1 min

1 word --------> takes 1/4 min

500 words ------> takes (1/4) x 500 = 125 min

4 0
3 years ago
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