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2 years ago

Use the triangle-sum Thorem to find x. then find each angle measure. 7x+4+5x+3+2x+5=180

Mathematics

1 answer:

Tresset [83]2 years ago

8 0

Answer:

Step-by-step explanation:

1.Put all of your variables together like (7x+5x+2x) and the other like numbers

2. you add up everything okay

3.when are solving dont put the ones that arent the same in the correct category

4.put both answers together and then subtract from the last number to both numbers

5.Lastly you have received your answer

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2 years ago

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Answer: ゼロ

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2 years ago

What is the x-value in the solution to this system of linear equations?

ASHA 777 [7]

Answer:

Step-by-step explanation:

The y-variable can be eliminated by adding 3 times the first equation to the second:

3(2x -y) +(x +3y) = 3(11) +(-5)

7x = 28 . . . . simplify

x = 4 . . . . . . . divide by 7

_____

Using Cramer's Rule, you can also find the x-value. The math is not so different.

x = ((-1)(-5) -(3)(11))/(-1(1) -3(2)) = -28/-7 = 4

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