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Naddika [18.5K]
3 years ago
14

Help please, i need this done asap thanks in advance

Mathematics
1 answer:
alina1380 [7]3 years ago
7 0

Answer:

<AOC

<AOB

<BOC

Step-by-step explanation:

The central angles are formed at point O, which is the center of the circle.

All the central angles are marked in the attachment.

The central angles are

: m\angle AOC. This is a right angle and it is 180 degrees.

:m\angle AOB

:m\angle BOC

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Angle B is 45% of angle A. Angle C is 35% of angle A. What is the measurement of angle A?
mafiozo [28]

We assume , A, B, and C are angles of a triangle.
The sum of angles of a triangle is equal to 180º; therefore:
A+B+C=180º

B is 45% of angle A; then B=0.45A
C is 35% of anble A; Then C=0.35A

We can suggest this equation;
A+0.45A+0.35A=180
1.8A=180
A=180/1.8
A=100

Answer: The measurement of angle A is 100º.
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2 years ago
Identify the greatest common factor. 20x^5 - 8x^4 +12x^2
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4x^2 is the greatest commonly factor for these exponents.

Hope this helps you! :)

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Find the midpoint of CH if C has coordinates (-5,-2) and H has coordinates (9,-4)
Sati [7]

Answer:

(2,1)

Step-by-step explanation:

\mathrm{Midpoint\:of\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\\\quad \left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)\\\\\left(x_1,\:y_1\right)=\left(-5,\:-2\right),\:\left(x_2,\:y_2\right)=\left(9,\:4\right)\\\\=\left(\frac{9-5}{2},\:\frac{4-2}{2}\right)\\\\= (\frac{4}{2} , \frac{2}{2} )\\\\=\left(2,\:1\right)

8 0
3 years ago
Read 2 more answers
How do you write in slope intercept with only the rate of change and one point. Like rate of change is -5 and the point is (3,0)
Simora [160]

Answer:

A linear equation in the slope-intercept form is written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

Now, we know that the rate of change (the slope) is -5

Then we just replace a by -5

y = -5*x + b

Now we also know that this line passes through a point, and the point is (3, 0)

This means that the point (3, 0) is a solution for the line equation, so when x = 3, we also have y = 0.

Replacing these values in our equation we get:

0 = -5*3 + b

0 = -15 + b

15 = b

Now we know the value of b, so we can replace it in the line equation to get:

y = -5*a + 15

Which is the complete equation of the line.

5 0
3 years ago
Find all exact solutions on the interval 0 ≤ x &lt; 2π.
masya89 [10]

Answer:

View Image

x = π/6, 5π/6, 7π/6, 11π/6

Step-by-step explanation:

The only things you need to know are 2 things:

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2.) csc(x)=\frac{1}{sin(x)}   , csc() is just the inverse of sin()

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