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vodka [1.7K]
3 years ago
6

What step of the design process is this: “Used the test results to identify any modifications that they needed to make to improv

e their design. Once they identified these modifications, they returned to the previous steps of the process and made and tested these modifications.”
Mathematics
1 answer:
sergiy2304 [10]3 years ago
4 0

I dont know how to answer this question

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Algebra applications: find the value of x and y​
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Answer : The value of x and y is 8 and 10 respectively.

Step-by-step explanation :

As we known that if two parallel lines are cut by a transversal line then consecutive interior angles are supplementary.

From the given figure we conclude that:

5x-y+150=180       ...........(1)

5x-y=180-150

5x-y=30      ............(2)

5x+y+130=180       ...........(3)

5x+y=180-130

5x+y=50        ...........(4)

Now we adding equation 2 and 4, we get the value of x.

5x-y+5x+y=30+50

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Now we are putting the value of x in 4, we get the value of y.

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Therefore, the value of x and y is 8 and 10 respectively.

3 0
3 years ago
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