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Kryger [21]
3 years ago
15

What is the area of a shaded sector if the diameter is 20

Mathematics
1 answer:
oee [108]3 years ago
6 0
So.. hmm notice the picture below... if the diameter is 20, the radius is half that

thus \bf \textit{area of a circle's sector}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
r=radius\\
\theta=\textit{angle in degrees}
\end{cases}

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The graph shows the relationship between the amount of time that a backpacker hikes and the distance traveled.​
julsineya [31]

Answer:

The points represent that <u>5 miles </u> were hiked in <u>3 hours.</u>

Step-by-step explanation:

So, lets go over what we need to know.

The x coordinates is the time.

The y coordinates is the miles.

We have (3, 5)

This is (x, y)

x = 3, and y = 5. Considering what we know above, the time is 3 hours, and the miles is 5.

To fill in the boxes, it asks "Blank miles are hiked in blank hours"

We know 5 miles are hiked in 3 hours.

So the fill in for the first part is 5, and the fill in for the second part is 3.

Hope this helps!

3 0
2 years ago
Plz help for 13 a and b
Marta_Voda [28]
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b) 15
6 0
3 years ago
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Sladkaya [172]

Answer:

x = 6

<u><em>Sorry if this answer is not correct, if it is or is not, please tell me in the comments!</em></u>

Step-by-step explanation:

All of the angles add up to 180 degrees (since it is a triangle), so

(11x - 3) + (7x + 5) + (13x - 8) = 180

Then, combine the like terms.

31x - 6 = 180

Now, out goal is to separate the x from everything. To do that, we need to add 6 to 180.

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Then divide by 31.

x = 6

(Feel free to replace x with 6 back in the previous equation to double check it!)

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A tortoise moves forward 15 meters in one hour. It turns around and crawls 10 meters in the
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Answer:

Below.

Step-by-step explanation:

15+10+8=33.

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