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aleksklad [387]
3 years ago
13

How many cubic centimeters of air would be needed to completely fill a tennis ball with a diameter of 3 inches? Use 3.14 for \pi

π. Round your answer to the nearest whole number.
Mathematics
2 answers:
Dimas [21]3 years ago
7 0

Answer:

9.42

Step-by-step explanation:

stiv31 [10]3 years ago
5 0

Answer:

232

Step-by-step explanation:

1 inch = 2.54 cm

3 inches = 3*2.54

3 inches = 7.62 cm

r = d/2

r =7.62 / 2

r = 3.81 cm

V = 4/3 pi r^3

V = 4/3 * 3.14 * 3.81^3

V = 4/3 * 3.14 * 55.31

V = 232

Does seem a bit high but it is what I get.

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liraira [26]
Total volume is volume of cylinder+volume of cone
Volume of cylinder=pi*r^2*h
V=pi*6^2*14
V=1582.56
Volume of cone=pi*r^2*h/3
V=pi*6^2*6/3
V=226.08
1582.56+226.08=1808.64 or 1808.6 cubic inches
6 0
3 years ago
Conver the equation y=2 to polar form. Then solve the resulting equation for r. <br> Thanks :)
maksim [4K]
This is something to memorize

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so if y = 2, then 

2 = r*sin(theta)

Divide both sides by sin(theta) to get

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LekaFEV [45]
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Step2247 [10]

Answer:

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Step-by-step explanation:

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ch4aika [34]
20
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