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o-na [289]
3 years ago
15

What is the measure of angle B in degrees?

Mathematics
2 answers:
Feliz [49]3 years ago
6 0
B = 119 degrees

A straight line is 180 degrees
The 112 degree angle and angle C make up a straight line, so 112+C = 180
c = 68 degrees

The sum of a triangle’s angles also equal 180 degrees, so angle A + angle B + angle C =180
This means 51 + 68 + A = 180
119+A=180
A = 61 degrees

Now knowing angle A, and knowing that a straight line is 180 degrees, you can solve for angle B

A+B =180
61+B=180
B=119 Degrees
Furkat [3]3 years ago
3 0

Answer:119

Step-by-step explanation:

edge 2021

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Find the equation of the plane that goes through three points:
frosja888 [35]

The equation of the plane that goes through these points is:

6x + 2y + z = 10.

<h3>How to find the equation of a plane given three points?</h3>

The equation of the plane is found replacing the points into the following equation:

ax + by + c = z.

For point A, we have that:

3b + c = 4.

For point B, we have that:

a + 2b + c = 0.

For point C, we have that:

-a + 6b + c = 4.

Hence the system is:

  • 3b + c = 4.
  • a + 2b + c = 0.
  • -a + 6b + c = 4.

From the first equation, we have that:

c = 4 - 3b.

Replacing in the second, we have that:

a + 2b + 4 - 3b = 0

a - b = -4.

Replacing in the third, we have that:

-a + 6b + 4 - 3b = 4.

-a + 3b = 0.

a = 3b.

We have that a - b = -4, hence:

3b - b = -4

2b = -4

b = -2.

a = 3b, hence a = -6.

c = 4 - 3b -> c = 10.

Hence the equation is:

ax + by + c = z.

z = -6x - 2y + 10

6x + 2y + z = 10.

More can be learned about the equation of a plane at brainly.com/question/13854649

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1 year ago
Simplify 1.5m7(-4m5)2
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ANSWER: -12m12


I’m positive I’m correct, Good luck!
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Answer:1/5 you can buy 1/5

Step-by-step explanation:

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