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3 years ago

14

In the diagram shown, which angle pairs form complementary angles?

1 answer:

Sati [7]3 years ago

4 0

Answer:

ABD and CBD

This is the answer

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Find an equation of the circle that has center (-1,1 ) and passes through (1,-6)

Ivahew [28]

Answer:

$(x+1)^2+(y-1)^2=53$

Step-by-step explanation:

The standard form for the equation of a circle is $(x-h)^2+(y-k)^2=r^2$ , where h is the x coordinate of the center, k is the y coordinate, and r is the radius. To find the radius of this circle, we can simply find the distance from the center to any of the points on its circumference. Using the distance formula, you know that the distance from (-1,1) to (1,-6) is:

$\sqrt{(1-(-1))^2+(1-(-6))^2}=\sqrt{2^2+7^2}=\sqrt{4+49}=\sqrt{53}$

Therefore, the equation of this circle is:

$(x+1)^2+(y-1)^2=53$

Hope this helps!

7 0

3 years ago

Can somebody sovle this for me please must equal 180 two examples . And thank you so much

Luba_88 [7]

Answer:

12

Step-by-step explanation:

3 0

3 years ago

Solve for a. 25=a^2+b^2

Harlamova29_29 [7]

A would either be + or -3, or + or minus 4 depending on what b is

5 0

3 years ago

Read 2 more answers

Which expressions below are equivalent to 43c+513 ? Select all that apply. □ A. 13(4c+16) □ B. 43(c+4) □ C. 13(33c+5) □ D. 23(2c

Viktor [21]

It's A because you need to distribute

4 0

3 years ago

Read 2 more answers

Can you please help me?

d1i1m1o1n [39]

Answer:

C / (2 pi) = r

Step-by-step explanation:

C = 2 pi r

Divide each side by 2 pi

C / (2 pi) = 2 pi r/ (2 pi)

C / (2 pi) = r

3 0

3 years ago