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lapo4ka [179]
3 years ago
8

What is the circumference of the circle shown below? (Round your answer to the nearest tenth)

Mathematics
2 answers:
rusak2 [61]3 years ago
4 0

Answer:

D. 46.5

Step-by-step explanation:

The formula to find the circumference of a circle is: 2πr

2(π x radius)   or  π times the diameter.

The radius is 7.4

7.4 x 2 = 14.8

14.8π ≈ 46.5


Pavel [41]3 years ago
3 0

Answer: D. 46.5 units

Step-by-step explanation:

From the given picture it can be seen that using the definition of a radius of circle, the radius of the given circle = r = 7.4 units

Now, we know that the circumference of a circle is given by :-

\text{Circumference}=2\pi r=\\\\\Rightarrow\ \text{Circumference}=2\pi(7.4)=46.4955712731\approx46.5\text{ Units}

Therefore, the circumference of the given circle = 46.5 units.

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Answer: Green route = 5.8 miles

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Step-by-step explanation:

Let the miles travelled for Green route be x

Let the miles travelled for Blue route be y

We can form an equation from the question given which will be:

8x + 9y = 95 ........ i

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Multiply equation i by 12

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Subtract iv from iii

60y = 324

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= 8x + 9(5.4) = 95

8x + 48.6 = 95

8x = 95 - 48.6

8x = 46.4

x = 46.4/8 = 5.8

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