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hichkok12 [17]
3 years ago
10

Can someone pls help me

Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0

Step-by-step explanation:

since the 2 lives are parallel, this makes the 2 triangles (above l and the larger one above m) similar.

and that means their angles are the same.

and that means that the third angle in the small triangle above l is also y°.

and now, remember, the sum of all angles in a triangle is always 180°.

so,

180 = x + y + z = x + 20 + 60

x = 180 - 20 - 60 = 100°

so, B is correct.

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A student writes the equation for a line that has a slope of -6 and passes through the point (2, –8).
Ilia_Sergeevich [38]

Answer:

The error in the students work is

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Step-by-step explanation:

We can use point slope form since we are given a point and the slope

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The error in the students work is

y -(-8) + 8 = -6x + 12 + 8

subtracting a negative is adding

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4 0
3 years ago
Read 2 more answers
What is the perimeter of the figure to the nearest tenth of a millimeter?
Bogdan [553]

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DIA [1.3K]

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Also, There is a closed circle at the point -4.

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Answer: the system of inequalities are

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