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zalisa [80]
2 years ago
11

Please answer! will give 5 stars, brainliest (if two people answer.), 20 pts, and thanks.

Mathematics
1 answer:
Charra [1.4K]2 years ago
3 0

Answer:

66

Step-by-step explanation:

Angle 2 and 4 are supplementary, so if angle 4 is 123, then 180-123=57.

So angle 2 is 57.

Then, if angle 2 and 3 are 57 and we know that all angles of a triangle have to add up to 180, then:

                             57+57+angle 1=180

                                114+ angle 1=180

                                        angle 1= 66

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tangare [24]
Not sure what form you want this in:

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3 0
2 years ago
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borishaifa [10]

Answer:

20 points

Step-by-step explanation:

Points:

  • 21, 13, 14 and x for the last game

Average:

  • (21+13+14+x) / 4 = 17
  • 48 + x = 4*17
  • 48 + x = 68
  • x = 68 - 48
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They must score 20 points

6 0
3 years ago
Ok I rlly need help with this question it’s rlly hard for me there’s a picture to show —&gt; helppp
Whitepunk [10]

Answer:

x=20; vertical angles theorem

Step-by-step explanation:

hi! we can use the vertical angles theorem for this. vertical angles are congruent to each other, meaning they are the same amount of degrees. so, we can set 2x+10 and 50 equal to each other.

2x+10=50

2x=40

x=20

x=20 because of the vertical angles theorem.

8 0
3 years ago
e position of a submarine relative to the water surface was −32 1/4 feet. A downward navigational maneuver increased its depth b
swat32

Answer:-47 3/4


Step-by-step explanation:

The correct answer would be -47 3/4  


You would use the equation


-32 1/4 - 15 1/2 = -47 3/4


to find your answer

5 0
3 years ago
Which type of conic section is represented by the equation y = (x-10)^2 - 5?
erastovalidia [21]

Answer:

That's a parabola

explanation:

6 0
2 years ago
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