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Thepotemich [5.8K]
3 years ago
11

The diameter of a circle is 8 kilometers. What is the angle measure of an arc ​ kilometers long?

Mathematics
1 answer:
inn [45]3 years ago
7 0
Answer: 14.32 degrees

The circle has a diameter of 8 kilometers, so the perimeter would be:
perimeter= pi * diameter
perimeter= 22/7 * 8 kilometers= <span>25.14 kilometers

A full perimeter </span>of the circle, which is 25.14km,  has 360° angle. So 1km arc would be: 1km/ 25.14 km * 360°= 14.32°
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3 years ago
The equation (2x^2 - 1)(3x+2) = (2x²)(3x) + (2x²)(2) + (-1)(3x)+(-1)(2) is an example
Nookie1986 [14]

The method used is Distributive Property.

<h3>What is Distributive property?</h3>

The Distributive Property is an algebraic property that is used to multiply a single value and two or more values within a set of parenthesis.

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(2x² - 1)(3x+2) = (2x²)(3x) + (2x²)(2) + (-1)(3x)+(-1)(2)

Here the property used is Distributive property.

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Learn more about this Distributive property here:

brainly.com/question/4136433

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8 0
2 years ago
Need help ASAP with this question please
Assoli18 [71]

Answer:

4th option, 5 5/6

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8 1/2 - 2 2/3

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Answered by GAUTHMATH

6 0
3 years ago
Simplify.<br><br><br> Please select the best answer from the choices provided
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