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Elden [556K]
3 years ago
8

Form and solve an equation for . 2x x+30

Mathematics
1 answer:
Vladimir79 [104]3 years ago
6 0

Answer:

x = 20

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the angles in the triangle and equate to 180

2x + x + 30 + 90 = 180

3x + 120 = 180 ( subtract 120 from both sides )

3x = 60 ( divide both sides by 3 )

x = 20

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The solution in the attached figure

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Step-by-step explanation:

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Answer: She will be able to hand out to 9 students.
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