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Yuri [45]
3 years ago
10

Help please show work

Mathematics
1 answer:
Olenka [21]3 years ago
5 0

Answer:

67.5 ft^2

Step-by-step explanation:

First find the area of the circle.

A = pi r^2

A = pi (8)^2

A = 64pi

There are 360 degrees in a circle

The shaded area has 121 degrees

The fraction is 121/360

The fraction shaded is 121/360

The fraction of the circle is the same as the area

121/360 A = 121/360 * 64 pi

area shaded = 67.54488889

To the nearest tenth

area shaded = 67.5

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If Bill was traveling v mi/h, how would you represent Daemon's speed in mi/h if he was traveling 45 mi/h faster?
VikaD [51]

The sum of two variables having the same units is given by adding the magnitudes of the quantities and expressing the outcome in the units of the quantities

Daemon's speed is (v + 45) mi/h

The reason the above value for Daemon's speed is correct is as follows:

The known parameters are;

The speed with which Bill was travelling = v mi/h

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Method:

By dimensional analysis, we note that the given quantities have the same units, and therefore, they represent the same quantity of speed

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Daemon's speed = v mi/h + 45 mi/h = (v + 45) mi/h

Learn more about variable addition here:

brainly.com/question/22965573

brainly.com/question/242905

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3 years ago
Five students wrote a test and the scores were as follows:5,3,7,9 and x. If their total score was 30 find the value of x
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The value of X<em> </em>is 6.

Step-by-step explanation:

5 + 3 + 7 + 9 = 24

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Kahn academy works great with this stuff

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3 years ago
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