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marissa [1.9K]
3 years ago
14

An observatory is shaped like a cylinder standing on one of its bases with a dome on top.The diameter of the floor of the observ

atory is 64 feet.Witch measurement is closest to the circumference of the base of the observatory in feet ?
Mathematics
1 answer:
Ratling [72]3 years ago
8 0

Answer:

200.96\ ft

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=\pi D

in this problem

D=64\ ft

substitute

C=\pi (64)=64\pi\ ft -----> exact value of the circumference

Find the approximate value of the circumference

assume

\pi=3.14

64\pi\ ft=64(3.14)=200.96\ ft

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Troyanec [42]

Answer:

120

Step-by-step explanation:

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7 0
3 years ago
Working his way through school, Joe works two part-time jobs for a total of 18 hours a week. Job A pays $5.70 per hour, and Job
ad-work [718]

Answer:

A = 14.2/1.1 hours

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Step-by-step explanation:

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Multiply each item in (2) by 5.7 to get

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subtract (1) - (3) on each side

5.7A -5.7A + 6.8B - 5.7B = 111.40 -97.2

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B = 14.2 /1.1

to get A use equation (2)

A = 18 - B

A = 18 - 14.2/1.1 = 5.091

4 0
3 years ago
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What is the diameter of a circle with a radius of 3.5 cm
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4 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Mashutka [201]

Answer:

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Step-by-step explanation:

25 times 25=625

24 time 24=576

625-576=7

And the square root of 49 is 7.

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2 years ago
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