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baherus [9]
2 years ago
10

Find the length of the arc.

Mathematics
1 answer:
Arte-miy333 [17]2 years ago
6 0
  • radius=r=7in
  • Angle=135°

We know

  • Length if arc=L

\boxed{\sf L=\dfrac{\theta}{360}\times 2πr}

\\ \sf\longmapsto L=\dfrac{135}{360}\times2π(7)

\\ \sf\longmapsto L=\dfrac{27}{72}\times 14π

\\ \sf\longmapsto L=\dfrac{27}{36}\times 14π

\\ \sf\longmapsto L=\dfrac{9}{12}\times 7π

\\ \sf\longmapsto L=\dfrac{63π}{12}

\\ \sf\longmapsto L=\dfrac{21π}{4}in

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Simplify: 125 A) 5 B) 10 C) 15 D) 20
WINSTONCH [101]

Answer:

A)5

Step-by-step explanation:

5 times 5 times 5=125

I assume this is what you were looking for, also 5^3=125

I hope this helps u pls give a brainliest and a thx ;)

Let me know if i am not accurate in any way in the comments

8 0
3 years ago
You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your d
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Answer:

Following are the solution to this question:

Step-by-step explanation:

For this set, the correlation coefficient is = -0.015.

It shows that financial variables have trust issues. Once a price rises, the other one is decreasing the value of -0,015 shows, that there are several fewer associations in the set of data among x and y and between y values. This interaction also can range between -1 to 1, to 0 being completely unrelated. But you'd never be sure, in this situation, 0.015 is very similar to 0.

It means that your prediction is nothing better than just a wild choice. Its odds of an estimated value being relatively close to the actual result are therefore much smaller as the points are it's hardly the best match.

4 0
2 years ago
48 worksheets : 12 students. write yhe ratio as a fraction in simplest form.
Gennadij [26K]
48/12 = 24•2/6•2= 24/6= 12•2/3•2= 12/3= 4/1

In simplest form the ratio is
4 worksheets : 1 student
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3 years ago
What is the ratio of x=8y
Lemur [1.5K]
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6 0
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Read 2 more answers
Solve the system of linear equations.
icang [17]

Answer: The set does not have a solution

Step-by-step explanation:

Adding Equations 1 & 3 we get 5x = 7. This gives x = 7/5

Putting this value of x in eq. 2 we get

-2y + 2z = -1-(7/5) or

2y - 2z = 12/5  or  5y - 5z = 6

Multiplying eq. 1 by 2  we get  

4x + 2y - 2z = 6

adding this with eq. 2 we get 5x = 5 or x = 1

As the common solution for x from equations 1&3 does not satisfy eq. 1&2 it comes out that the three equations do not have a common solution.

Same can be verified by using different sets of two equations also.

7 0
3 years ago
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