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Stella [2.4K]
2 years ago
12

What is the value of x? Test is timed please help.

Mathematics
1 answer:
Darina [25.2K]2 years ago
8 0

Answer:

x = 19

Step-by-step explanation:

A circle has a total of 360 degrees. Because central angles are congruent to the degree measures of their arcs, and because of vertical angles we can construct the equation :

5x+37+5x+37+3x-9-9=360

We can simplify this to :

8x+28=360

Subtract 28, divide 8, and x is 19

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x = 0.175\cdot (1-\cos 4\cdot \theta)

Step-by-step explanation:

Let use the following trigonometric identities:

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Then, the equation is simplified by substituting its components:

x = 1.40\cdot \left(\frac{1-\cos 2\cdot \theta}{2}  \right)\cdot \left(\frac{1+\cos 2\cdot \theta}{2} \right)

x = 0.35\cdot (1-\cos^{2}2\cdot \theta)

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x = 0.35\cdot \left(\frac{1-\cos 4\cdot \theta}{2}  \right)

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7 0
3 years ago
Read 2 more answers
How do you factor this problem?
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To factor the first problem you have to divide all by 4

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8 0
4 years ago
Add the product of (-16) and (-9) to the quotient of (-132) by 6.​
alukav5142 [94]
9*16-132/6=122...........
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3 years ago
Find the area of the composite figure.
Minchanka [31]

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Step-by-step explanation:

The formula for the area of a triangle is 1/2 * b * h. B stands for base and h stands for height. 1/2 multiplied by the base, 10, is 5. We then multiply 5 by 12 which is 60. Let's look at the rectangle now. The area of a rectangle is length by width. The length is 12ft and the width is 6ft. 12 * 6 = 72. 72+60=132 square feet.

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2 years ago
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