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Anni [7]
2 years ago
8

The diameter of the circle above is 86 cm. What is the circumference of the circle? (Use = 3.14.)

Mathematics
1 answer:
Elina [12.6K]2 years ago
4 0

Answer:

D

Step-by-step explanation:

Circumference = pi × diameter

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Step-by-step explanation:

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3 years ago
The base of a solid oblique pyramid is an equilateral triangle with a base edge length of 18 inches What is the height of the tr
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The height of the triangular base of the pyramid is calculated through the equation,
                                        h = (cos x)(18 in)
where h is height and x is half of the angle of the triangle. Since the triangle is equilateral, the value of  x is 30°. Substituting,
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Thus, the height of the base is approximately 15.59 inches. 
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If Tom runs 3.5 miles in 29.4 minutes, how many hours would it take him to run 26 miles? Show your work.
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Answer:

Step-by-step explanation:

3.5 miles/(29.4 minutes)

26 miles × (29.4 minutes)/(3.5 miles) = 218.4 minutes

218.4 minutes × (1 hour)/(60 minutes) = 3.64 hours

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2 years ago
Cheyenne works 15 hours a week at the movie theater. She earns $8 an hour. Which statement about her weekly income is true?
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Step-by-step explanation:

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