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kvasek [131]
3 years ago
6

Two wrongs and One right: vertical angles. Please help only 2-3 questions

Mathematics
2 answers:
Stella [2.4K]3 years ago
7 0
The answer is correct i did your question and i got it was correct
luda_lava [24]3 years ago
3 0

Answer:

Solution one is correct and solution 2 and 3 are incorrect

Step-by-step explanation:

You simply make an equation because for vertical angles 2 angles that are across from each other have the same value (in this case 2x+30 and 5x-36.)

The equation: 2x+30=5x-36---->3x=66----> x=22

Solution 1 is correct.

Hope this helped!

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If x+y=9, and 8(x+3y)= 120, what is the value of x-y
Triss [41]

Answer:

3

Explanation:

Apply Multiplicative Distribution Law:

{x + y =9

{8x + 24y = 120

Reduce the greatest common factor on both sides of the equation.

{x + y = 9

{x + 3y = 15

Subtract the two equations: x + y - (x +3y) = 9 - 15

Remove paranthesis: x + y - x - 3y = 9 - 15

Cancel the unknown variables: y - 3y = 9 - 15

Combine like terms: -2y=9 - 15

Calculate the sum or difference: -2y = -6

Reduce the greatest common factor on both sides of the equation: y =3

Substitute one unknown quantity into the elimination: x + 3 = 9

Rearrange unknown terms to the left side of the equation: x = 9 - 3

Calculate the sum or difference: x = 6

Write the solution set of equations: {x = 6

                                                           {y = 3

Substitute: 6 - 3

Calculate the sum or difference: 3

Answer: 3

6 0
2 years ago
The first step in long division is to ___. divide multiply subtract
Aleonysh [2.5K]

Answer:

divide

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A circle is shown. Secant X Z and tangent W Z intersect at point Z outside of the circle. Secant X Z goes through the center of
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Answer:

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Step-by-step explanation:

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3 years ago
Noah spent 25 hours working on his car. He spent 4/5 of his time working on the transmission. How much time did Noah spend worki
xenn [34]

Answer:

5 hours

Step-by-step explanation:

4/5 is 20 of 25, so there are 5 hours left which is your answer!

6 0
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VashaNatasha [74]
-3/8x - 11 = 4
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7 0
3 years ago
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