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gavmur [86]
3 years ago
10

Find the circumference of the circle. r = 9 in. A. 56.52

Mathematics
2 answers:
Lyrx [107]3 years ago
7 0

Answer:

56.52

Step-by-step explanation:

Circumference is C=2\pi r

We are given the radius of 9 in.

Using 3.14 for pi:

C=2 * 3.14 *9\\\\C=6.28*9\\\\\boxed{C=56.52}

The circumference of the circle should be 56.52 inches, your answer should be correct.

dezoksy [38]3 years ago
5 0

Answer: 56.54866776... rounded to the nearest tenth

56.55

Step-by-step explanation:

The formula for circumference is C = \pi d or C = 2 \pi r

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The difference between twice a number and 2
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2 is a number and "twice a number" means multiply by 2.

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3 years ago
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What am i supposed to do??
miskamm [114]
Exterior angle theorem
16x - 7 = 8x + 2 + 10x - 19    ===>  16x -7 = 18x - 17
16x - 16x - 7 = 18x - 16x - 17 ===> -7 = 2x - 17
-7 + 17 = 2x - 17 + 17             ===> 10 = 2x ======> 5 = x
Plug x in to each equation.
Angle P: 8(5) + 2 = 42 deg, Angle Q: 10(5) - 19 = 31
The sum of interior angles = 180. 180 - 42 -31 = 107 deg (angle of PRQ)
To check that line other angle : 16(5) -7 = 73 deg + 107 = 180 deg


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3 years ago
In this arithmetic sequence, what is the common difference? -19, -11, -3, 5
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Answer:

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Step-by-step explanation:

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In triangle ABC, medians AD, BF, and CE intersect at G. What is the length of GE is CH=12?
sashaice [31]
You do not have any point labeled "H" in your diagram.

What I can tell you is that point "G" (where all 3 medians meet) is called a centroid.
<span>
Along </span>each<span> median:</span>
the distance from EACH vertex to the centroid (point G) is TWICE the distance from the centroid to the side.
<span>CG = 2*GE   AG = 2*GD   BG = 2*GF


</span>
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The figure shows ∆ABC with m∠ABC = 90°.
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Answer:

Hello,

Please, see the attached file.

Thanks.

Step-by-step explanation:

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