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ladessa [460]
3 years ago
14

Question Progreso

Mathematics
1 answer:
olganol [36]3 years ago
5 0

Answer:

<em>5,086.8cm³</em>

Step-by-step explanation:

Given the following

radius of the cylinder r = 9cm

Height of the cylinder h = 20cm

Volume of a cylinder = πr²h

Substitute:

V = π(9)²(20)

V=  3.14 * 81 * 20

<em>V = 5,086.8cm³</em>

<em>Hence the volume of the cylinder is 5,086.8cm³</em>

<em></em>

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Answer:

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

Step-by-step explanation:

Semi circle formula: 1/2 * 4/3 * pi * r^3

r = 2.5

1/2 * 4/3 * pi * 2.5^3

2/3 * pi * 2.5^3

2/3 * pi * 15.625

10.416..... * pi

Exact answer = 10.417pi

We can estimate pi as 3.14

So, 10.417 * 3.14 = 32.70938

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

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Eighty percent of one store’s customers paid with credit cards. Forty customers came in that day. How many customers paid for th
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Answer:

32

Step-by-step explanation:

40 = 100%

how many are 80% ?

well, 80% = 80× 1%

1% = 100% / 100

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