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alexgriva [62]
3 years ago
6

This is khan academy and i need it fast thx

Mathematics
1 answer:
11111nata11111 [884]3 years ago
4 0

Answer:

C

Step-by-step explanation:

The angles are supplementary because all the angles add up to 180 and they form a straight line together.

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masya89 [10]
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4 years ago
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Find the value of KL
alex41 [277]

Answer:

40.5

Step-by-step explanation:

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3 years ago
Please answer 12.) quick ! :(
Sonja [21]

Answer:

A: $48.53

B: $58.23

Step-by-step explanation:

7% of 45.36 is 3.17.

20% of 48.53 is 9.70.

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7 0
2 years ago
A circle with center C(4, -2) passes through the point A(1, 3). Does the point B(8, -2) lie inside the circle?
Setler79 [48]

Answer:

Yes, point B will lie inside the circle.

Step-by-step explanation:          

Let the distance between point C and point A be the radius of our given circle.

We have been given that a circle with center C(4, -2) passes through the point A(1, 3).  

Since we know that a point will lie inside circle if the distance between the point and center of circle is less than radius of circle.

Let us find distance between points C and A using distance formula.

\text{Radius}=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}}

\text{Radius}=\sqrt{(4-1)^{2}+(-2-3)^{2}}

\text{Radius}=\sqrt{(3)^{2}+(-5)^{2}}

\text{Radius}=\sqrt{9+25}

\text{Radius}=\sqrt{34}

Radius of our circle is \sqrt{34}. Now let us find distance between center of our circle and point B.

\text{Distance between C and B}=\sqrt{(4-8)^{2}+(-2--2)^{2}}

\text{Distance between C and B}=\sqrt{(-4)^{2}+(-2+2)^{2}}

\text{Distance between C and B}=\sqrt{16+(0)^{2}}

\text{Distance between C and B}=\sqrt{16}

\text{Distance between C and B}=4    

We can see that distance of point B from center of our given circle is less than distance between point A and center of circle, therefore point B will lie inside the circle.

4 0
3 years ago
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What is the answer to 12=4-4x
Liono4ka [1.6K]

Answer:

x=4

Step-by-step explanation:

12=4-4x

4-4x=12

Add 4 to both sides

4x=16

Divide by 4

x=4

5 0
4 years ago
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