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Mashcka [7]
3 years ago
11

Find the area of a circle with the radius 9m​

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
6 0

Answer:

254.47

Step-by-step explanation:

A=πr2=π·92≈254.469

marta [7]3 years ago
3 0
Hope it helps.

please follow if you like.

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What is the arc length of arc CD in the circle below? Radius is 8ft and central angle is 35 degrees
ki77a [65]
This depends on the question itself. But I will assume and provide an answer.

If arc CD is made from the central angle intercepting the perimeter of the circle( so if the central angle is CBD, then the arc is from the two endpoints of the angle) that would mean that the arc is 35 degrees. If the two endpoints of the arc are NOT the two points from the angle that lie on the circle, then I cannot provide an answer without a picture.

To sum it up, if the arc begins and ends on the two endpoints of the angle, then it is 35 degrees. Unless it goes the long way around, then it would be 325, but that's unlikely to be the case. 
3 0
3 years ago
Ana Participated in each charity walk she raise $.25 and each 1/2 That she walked the first day and I walked 11 miles a second d
Tresset [83]

<em><u>Question:</u></em>

Ana participated in a charity walk. She raised $0.25 for each 1/2 mile that she walked.The first day Ana walked 11 miles.The second day, she walked 14 miles.How much money did Ana raised?

<em><u>Answer:</u></em>

Ana raised $ 12.5

<em><u>Solution:</u></em>

From given question,

First day walk = 11 miles

Second day walk = 14 miles

<em><u>Let us first calculate the total distance she walked</u></em>

Total distance = first day walk + second day walk

Total distance = 11 + 14 = 25 miles

Thus she walked for 25 miles

Given that,

<em><u>She raised $0.25 for each 1/2 mile that she walked</u></em>

\frac{1}{2} \text{ mile} = 0.25 \text{ dollars }

Therefore, for 1 mile we get,

\frac{1}{2} \times 2 \text{ mile} = 0.25 \times 2 \text{ dollars }\\\\1 \text{ mile } = 0.5 \text{ dollars }

Now calculate for 25 miles

25 \text{ mile } = 25 \times 0.5 = 12.5 \text{ dollars }

Thus she raised $ 12.5

4 0
3 years ago
How many terms are included in the expression below?
shutvik [7]

Answer:

3 terms

Step-by-step explanation:

In this problem, we are given an expression of a quadratic function of a single variable x as x² - 3x + 7.

Now, we have to find the number of terms included in the above-given expression.

The expression includes two x terms and one constant term.

Therefore, the whole expression has total ( 2 + 1 ) = 3 terms. (Answer)

3 0
3 years ago
Read 2 more answers
Classify the triangle by it's angels and sides. Explain how you knew which classifications to use. 8, 70 degrees, 11, 45 degrees
anzhelika [568]

The angles degrees are all less than 90 degrees. Therefore the triangle is an acute triangle

7 0
3 years ago
HELP!! express the following decimal as a percent. 1.544
Mashcka [7]
To convert 1.544 to percent multiply by 100

1.544 × 100 = 154.4 %
3 0
4 years ago
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