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garri49 [273]
3 years ago
9

Find the value of x.a. 23°b. 124° c. 33°d. 45°​

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
6 0

Answer:

x=33.

Step-by-step explanation:

The sume of angles in triangle is 180, so it must be

23+124+x=180

x=180-147

x=33

zavuch27 [327]3 years ago
4 0

Answer:

The answer to your question is x = 33°

Step-by-step explanation:

Data

Angle 1 = 23°

Angle 2 = 124°

Angle 3 = x°

To solve this problem, just remember that the sum of the internal angles in a triangle equals 180°

Then,

          Angle 1 + Angle 2 + Angle 3 = 180°

                   23° + 124° + x° = 180°

Solve for x

                   x° = 180° - 23° - 124°

                  x° = 33°

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**Solve by Elimination<br> 3 + 2x - y = 0<br> -3-7y = 10x<br> 7) x =<br> 8) y =
timofeeve [1]
Answer:

Explanation:

3 + 2x - y = 0
Or 2x - y = -3 (1)

-3-7y = 10x
Or -10x - 7y = 3 (2)

2x - y = -3 (1)
-10x - 7y = 3 (2)
———————

Multiply 5 to (1)

5(2x - y = -3)
-10x - 7y = 3
———————
10x - 5y = -15
-10x - 7y = 3
———————
-12y = -12
y = -12/-12
y = 1

Plug y value in (1)

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