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Fynjy0 [20]
3 years ago
10

Find the circumference of the circle.

Mathematics
2 answers:
gavmur [86]3 years ago
5 0

Answer:

C=2πr

Step-by-step explanation:

MrRa [10]3 years ago
4 0
To find the circumference use this formula

C=2πr
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Last summer, Marrero was at Newgrange, a stone mound in Ireland that has a diameter of 250 feet. He found a walkway 62 feet long
timofeeve [1]

Answer:

  • 108 ft

Step-by-step explanation:

The line connecting the center with the end of the walkway is radius and is the hypotenuse of the right triangle.

Horizontal leg is the distance x.

<u>Vertical leg has the length:</u>

  • (250)/2 - 62 = 63 ft

<u>Using Pythagorean theorem to find the length of x:</u>

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  • x² = 11656
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2 years ago
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Step-by-step explanation:

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3 years ago
Which image is the dilation of the rectangle with the center of the dilation at the origin and a scale factor of 1/2 ?
ElenaW [278]
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4 0
3 years ago
Read 2 more answers
Any help would be greatly appreciated
aleksandr82 [10.1K]

Answer:

\boxed{\sf \ \ \ 49a^8b^6c^2 \ \ \ }

Step-by-step explanation:

Hello,

(-7a^4b^3c)^2=(-1)^27^2a^{4*2}b^{3*2}c^2=49a^8b^6c^2

as

(-1)^2=1

8 0
3 years ago
URGENT this is a question on my precalculus test I need help on. Thank you so much
sp2606 [1]

Answer:

a. 5i + 13j

b. 8i

c. 10i + 6j

Step-by-step explanation:

a. 2i + 6j + 3i + 7j = 5i + 13j

b. 3i + 7j + 5i - 7j = 8i

c. 2i + 6j + 3i + 7j + 5i - 7j = 10i + 6j

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3 years ago
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