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expeople1 [14]
3 years ago
15

Circle O has a circumference of approximately 28.3 cm. What is the approximate length of the radius, r?

Mathematics
2 answers:
SOVA2 [1]3 years ago
7 0

Answer:

yo its 4.5 cm

IT IS NOT 28.3 cm

Step-by-step explanation:

Scrat [10]3 years ago
3 0

Answer:

4.5 cm.  

Step-by-step explanation:

We have been given that circle O has a circumference of approximately 28.3 cm.

We will use circumference formula to solve for the radius of our given circle.

\text{Circumference of a circle}=2\pi r

Upon substituting the measure of circumference in above formula we will get,

28.3=2\pi r  

r=\frac{28.3}{2\pi}

r=4.504084889500638\approx 4.5

Therefore, the radius of circle O is 4.5 cm.

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4+3 +3 + 10 + 5 = 25<br> What is the average value?
sergij07 [2.7K]

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There is 5 numbers (not including the sum/25)

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Step-by-step explanation:

5 0
3 years ago
the slope of a line passing through h (-2, 5) is -3/4. Which ordered pair represents a point on this line? ​
rosijanka [135]

Answer:

A

Step-by-step explanation:

Calculate the slope of the given points with the point (- 2,  5 )

If the slope is - \frac{3}{4} then the point is on the line

Calculate slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (6, - 1)

m = \frac{-1-5}{6+2} = \frac{-6}{8} = - \frac{3}{4} ← point (6, - 1) is on the line

Repeat with (x₁, y₁ ) = (- 2, 5 ) and (x₂, y₂ ) = (2, 8)

m = \frac{8-5}{2+2} = \frac{3}{4} ← point (2, 8) is not on the line

Repeat with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (- 5, 1)

m = \frac{1-5}{-5+2} = \frac{-4}{-3} = \frac{4}{3} ← point (- 5, 1) is not on the line

Repeat with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (1, 1)

m = \frac{1-5}{1+2} = - \frac{4}{3} ← point (1, 1) is not on the line

Thus the point on the line is (6, - 1 ) → A

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3 years ago
1. Find the value of x in the equation 2N x 20 15 31 X O A. 1 B. 16 OD. 25 ext Review Answer selections
Solnce55 [7]
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Helppp me plz I’ll give u Brainly
Phoenix [80]

Answer:

Letter c is the answer

Step-by-step explanation:

Sorry if my answer is wrong

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3 years ago
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