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dezoksy [38]
3 years ago
6

A circle has a diameter of 20 inches and a central angle AOB that measures 160°. What is the length of the intercepted arc AB? U

se 3.14 for pi and round your answer to the nearest tenth.
Mathematics
1 answer:
juin [17]3 years ago
5 0
Calculate the circumference of the full circle:

circumference = PI x diameter = 3.14 x 20 = 62.8 inches
 the arc length is 160 degrees of the full circle

divide 160 by 360 (full circle) and multiply by the circumference:

160/360 x 62.8 = 27.9 inches

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Layla emptied out her change jar to buy a new binder for school. She found 147 coins consisting of dimes and nickels that totale
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Answer:

d + n = 147

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Step-by-step explanation:

Let

Number of dimes = d

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Total value = $11.65

d + n = 147 (1)

0.10d + 0.05n = 11.65 (2)

From (1)

d = 147 - n

Substitute d = 147 - n into

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0.10(147 - n) + 0.05n = 11.65

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-0.05n = -3.05

n = -3.05 / -0.05

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d = 147 - 61

d = 86

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3 years ago
Question Bellow
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