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s2008m [1.1K]
3 years ago
5

Tracy ran a lap around the school track in 74.2 seconds. Malcolm ran a lap in 65.92 seconds. Estimate the difference in the time

s in which the students completed the lap.
Mathematics
1 answer:
Finger [1]3 years ago
5 0

Answer:

8.28 is the difference in times in which the students completed the lap.

Step-by-step explanation:

Subtract 74.20 and 65.92 and that gives you your answer.

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Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the
Assoli18 [71]

The diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.

<h3>What is of volume of cylinder?</h3>

Volume of cylinder is the amount of quantity, which is obtained by it in the 3 dimensional space.

The volume of the cylinder can be given as,

V=\pi r^2h

Here, (r) is the radius of the base of the cylinder and (h) is the height of the cylinder.

Sophie bought a cylindrical rain barrel to water her garden, but she forgot to ask the seller what the diameter of the barrel was.

She needs to know the diameter so that she can build a platform for it to sit on.

The seller told her the volume of the barrel is 6,925pi cubic in and its height is 38 in.

V=\pi r^2h\\6925=\pi r^2(38)\\\dfrac{6925}{38\pi}= r^2\\r=\sqrt{\dfrac{6925}{38\pi}}\\r\approx7.62 \rm\; in

The diameter of the cylinder is twice the radius of it. Thus, the diameter of the cylinder is,

d=7.62\times2\\d=15.23\rm\\d\approx15\rm\; in

Thus, the diameter of the cylindrical rain barrel which Sophie bought to water her garden, and want to build a platform for it is 15 in.

Learn more about the volume of cylinder here;

brainly.com/question/12748872

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7 0
2 years ago
Choose the mixed number that has not been reduced to simplest form. 4 2/5, 5 5/6, 5 7/12, 7 14/18
ANEK [815]
<span> 7 14/18 ...this is the answer

(simplest form should be 7 7/9)</span>
6 0
3 years ago
Find the following percentage of 4.2% of 50
aleksley [76]
4.2% of 50 is 2.1 So 2.1 is your answer
3 0
3 years ago
I want to not only learn answer, but also how to solve these kinds of questions, thanks
yaroslaw [1]

Answer:

x<4

Step-by-step explanation:

3x<12

x<12/3

x<4

I hope this helps

5 0
3 years ago
Read 2 more answers
How do I do 6 x 1.90 but in the house method
asambeis [7]

Answer:

um 6 times 1.90 = 11.4 hope this helpssssssssssss piece

Step-by-step explanation:

8 0
2 years ago
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