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Rama09 [41]
3 years ago
8

Is 8.15 a natural number whole number integer rational irrational or real number ?

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

8.15 is a rational number

nalin [4]3 years ago
3 0

Answer:

Rational

Step-by-step explanation:

A rational number is a number expressed as a fraction. So the number could be a decimal or percent.

Hope This Helps :)

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Answer:

The diameter was d=\frac{45}{\pi } in.

Step-by-step explanation:

The arc of a circle is given by

s=r\theta

where

s = arc length

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From the information given

s = 4 in

θ = 32º

To find the diameter of the original​ pizza, we use the formula of the diameter of a circle

d=2r

First, we need to convert the angle to radians

\theta=32\º \cdot \frac{\pi}{180\º} =\frac{8\pi }{45}

Next, solve for r from the arc formula

r=\frac{s}{\theta} =\frac{4}{\frac{8\pi }{45}} =\frac{45}{2\pi }

Then, we use the diameter of a circle formula

d=2r=2(\frac{45}{2\pi })=\frac{45}{\pi }

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4 years ago
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