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tekilochka [14]
3 years ago
7

Can someone please help me and explain how to solve this question

Mathematics
1 answer:
Alex3 years ago
7 0
I see this triangle is isosceles.  Thus, it has 2 sides of length 8 and 2 angles of measure 30 degrees.

(30 deg) + (30 deg) + (angle A) MUST add up to 180 degrees.

Thus, 60 deg + Angle A = 180 deg, so that Angle A = (180 - 60) deg, or 120 deg (answer)
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Answer:

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7 0
3 years ago
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Solve the system of equations - 8x + 3y = -17 and 3x - y = 7 by combining the<br> equlations.
NeTakaya

Given :

Two equations :

-8x + 3y = -17  ....1)

3x - y = 7        ....2)

To Find :

The solution of the system.

Solution :

Multiplying equation 2) by 3 and adding with equation 1), we get :

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8 0
3 years ago
Help finding angles 4, 3 ,2 ,5... Picture attached this time
Korvikt [17]

Angle 3 = 180° - 70°

Angle 3 = 110°

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Angle 4 = 180° - 70°

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Angle 5 = 180° - (110° + 62°)

Angle 5 = 180° - 172°

Angle 5 = 8°

I hope this helps.
3 0
3 years ago
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