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nlexa [21]
3 years ago
13

Ryan wants to use the Fermi process to estimate the number of basketballs that would fill a gymnasium. As part of the process, h

e needs to estimate the volume of a basketball. The diameter of a basketball is about 10 in. 
Which estimate best approximates the volume of a basketball? 5×10^1 in³ 
5×10^2 in³
5×10^3 in³ 
5×10^4 in³
Mathematics
1 answer:
Westkost [7]3 years ago
3 0
A basketball is the shape of a sphere.

The volume of a sphere is given by

V= \frac{4}{3} \pi r^3

Given that the diameter of the basketball is 10 in., thus the radius is 10 / 2 = 5 in.

Thus, the volume of the basketball is given by

V= \frac{4}{3} \pi(5)^3 \\  \\ = \frac{4\times125}{3} \pi=523.6\ in^3

Therefore, The best approximate of the volume of the basketball is 5\times10^2\ in^3
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3 years ago
Jeremy is reading a 60-page book. He read the first 20 pages in 30 minutes. If Jeremy continues to read a the same rate, how lon
Alex73 [517]

It will take total 90 minutes to finish the book and 60 minutes to read the left 40 pages.

<h3>What is Ratio and Proportion ?</h3>

When two numbers can be written as p/q is called a Ratio , and when two ratios are equal they are said to be in proportion .

It is given that

Jeremy is reading a 60-page book.

The time taken to read  20 pages is 30 minutes

Then it can be written as 20:30 = 2:3

The rate of reading is same so To read the rest 40 pages is given by

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8 0
2 years ago
Divide 42 in a ratio of 1:2:3?
Cloud [144]
Ratio 1:2:3 means we have x, 2x and 3x as the three parts

x+2x+3x = 42
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Dividing 42 into the ratio of 1:2:3 means we have 7:14:21 as the answer

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As a check, 
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so it works out
6 0
3 years ago
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3 years ago
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