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olganol [36]
2 years ago
5

Find the unknown Angles in the given figure​

Mathematics
1 answer:
Ann [662]2 years ago
6 0

Answer:

x = 50°, y = 50°

Step-by-step explanation:

⇒ x + x + 80° = 180°

⇒ 2x = 180° - 80° = 100°

⇒ x = 100°/2 = 50° ∴ y = x = 50°

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What is the value of the x and the y? -3x-7y=-63
PIT_PIT [208]

Step-by-step explanation:

-3x - 7y = -63

-(3x + 7y) = -63

3x + 7y = -63/-1

3x + 7y = 63

Value of x

3x + 7y = 63

3x = 63 - 7y

x = (63 - 7y)/3

Value of y

3x + 7y = 63

7y = 63 - 3x

y = (63 - 3x)/7

4 0
2 years ago
Given the following triangle solve for the unknown angle.
svetlana [45]
Since it is shown that 2 of the sides of the triangle are congruent, we can assume that they have the same angle measures.

so to solve for the missing angle you can set up an equation equal to 180 since all triangles add up to 180 degrees.
21 + 21 + x = 180
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x = 138

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hope this helped
4 0
3 years ago
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brilliants [131]

Answer: Yes thats right

Step-by-step explanation: I took the quiz

6 0
3 years ago
If 7x - 4y = 23 and x + y = 8, what is the value of x?
Margaret [11]

Answer:

x=5

Step-by-step explanation:

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Multiply the second equation by 4

4x + 4y = 32

Add this to the first equation

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------------------------

11x    = 55

Divide each side by 11

11x/11 = 55/11

x = 5

8 0
3 years ago
Read 2 more answers
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Aleks [24]
His total sales were 402.68 dollars. 700 minus 275 minus 22.31
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