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3 years ago

Geometry. Find the angle

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

7 0

Answer:

x = 10°; Angle A = 84°

Step-by-step explanation:

Angle A + Angle B = 180

5x + 34 + 2x + 76 = 180

7x + 110 = 180

7x = 70

x = 10

Angle A: 5(10) + 34 = 50 + 34 = 84°

Vikki [24]3 years ago

7 0

Answer:

Step-by-step explanation:

Because the two lines are parallel, the angles are supplementary. This means they will add up to 180 degrees.

So all you have to do is add the measures of the two angles to get 180.

5x+34+2x+76=180

(simplify)

7x+110=180

7x=70

x=10

Now all you have to do is plug this into the equation for <A

5(10)+34=?

50+34=?

84=84

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We have the following function:

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If when $x = 3, y = 7$ , it is a solution.

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(7,3)

If when $x = 7, y = 3$ , it is a solution.

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If when $x = -1, y = 14$ , it is a solution.

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This ordered pair is not a solution.

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If when $x = 0, y = 1$ , it is a solution.

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This ordered pair is a solution.

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If when $x = 12, y = 25$ , it is a solution.

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This ordered pair is a solution.

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If when $x = 5, y = 11$ , it is a solution.

$y = 2x + 1 = 2(5) + 1 = 11$

This ordered pair is a solution.

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If when $x = 0, y = 12$ , it is a solution.

$y = 2x + 1 = 2(0) + 1 = 1$

This ordered pair is not a solution.

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