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3 years ago

How do you this? A. 100 B. 61 C. 85 D. 65

Mathematics

1 answer:

Mamont248 [21]3 years ago

3 0

Answer:

85 degrees

Step-by-step explanation:

So we can see that the two angles form a "c." This c indicates that it is a same side interior angle. Same side interioir angles are equal to 180 degrees. So, set both the expressions to 180.

x+90+x+100=180

2x+190=180

2x=-10

x=-5

Substitute in the value for x

-5+90=85

I hope this helps!

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3 years ago

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natita [175]

Answer:

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Step-by-step explanation:

Given

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3 years ago

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natali 33 [55]

Answer: (6, -30)

Step-by-step explanation:

Substitute the points into the equation:

3.5 = -1/2(1^3) - 3(1) + 7 = 3.5: (1, 3.5) is on the graph.

-60.5 = -1/2 (9^2) -3(9) + 7 = -60.5: (9, -60.5) is on the graph.

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3 years ago