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densk [106]
3 years ago
9

36+36+36+36+36 ps i know this but this is way easyer

Mathematics
1 answer:
nika2105 [10]3 years ago
5 0

<em>Answer,</em>

<h3>180</h3>

<em>-Laura :-)</em>

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The circumference of a circle is 47.1 and the diameter of the circle is 15. Which best represents
kvv77 [185]

Answer: \pi =\frac{47.1}{15}

Step-by-step explanation:

The complete exercise is: "The circumference of a circle is 47.1 and the diameter of the circle is 15. Which best represents the value of π? "

In order to solve this exercise, it is important to remember that the circle can be calculated with the following formulas:

1. C=\pi D

Where "C" is the circumference of the circle and "D" is the diameter of the circle.

2. C=2\pi r

Where "C"  is the circumference of the circle and "r" is the radius of the circle (Remeber that the diameter is twice the radius).

In this case, the exercise gives you the circumference of the circle and its diameter. These are:

C=47.1\\\\d=15

Then, knowing those values, you can substitute them s into the first equation  C=\pi D, as following:

47.1=\pi (15)

The final step is to solve for \pi:

\pi =\frac{47.1}{15}

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3 years ago
A sphere has a diameter of 1.2 meters. The sphere increased the diameter by 0.2 meters. What percent increase is the radius of t
Tasya [4]
So, the sphere went from 1.2 meters to 1.4 meters.
The radius will always be half of the diameter. So it went from .6 to .7.
Let's divide and see what percent .7 is of .6.
.7÷.6=1.166666666(repeating 6).
This means, it increased by about 16.7%, since it was not doubling, just going up.

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3 years ago
Hurry!! Worth 10 points
Darina [25.2K]

Answer:

its D

Step-by-step explanation:

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Domain and range of |x – 4| + 6
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Step-by-step explanation:

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each number is being added by 5

Step-by-step explanation:

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