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Masja [62]
3 years ago
12

Angle Sum Theorem, thank you so much for the help, in advance! ​

Mathematics
1 answer:
daser333 [38]3 years ago
7 0

Answer:

x=20°, and y is 90° btw

Step-by-step explanation:

This is an iscoceles triangle, since the base angles are equal and the altitude bisects one of the angles. 180 - 110 = 70, meaning the angles are 70 , 70 and 2x. We know that 70 + 70 + 2x = 180 from the angle sum theorem, so 140 + 2x = 180, and 40 = 2x. x = 20°

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Answer:

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Step-by-step explanation:

6 0
3 years ago
Is this right? and do you use not use the x-intercepts?
vampirchik [111]

Answer:

You are correct.

Step-by-step explanation:

The x-intercept could be written the way you have or also it can be written as a point (-1, 0).

The y-intercept could also be written as a point (0, -2) But they are commonly written the way you have also.

So, the slope is -2. But just to be clear. That slope of -2 has nothing to do with the y-intercept of -2.

If you mark all the points on the line, to get from one point to the next point, you go down 2 and over (positive direction) 1. The down 2 in math is -2 and the over 1 is just 1. The slope is that ratio of -2/1.

Slope tells us if the line is going up or down, steep or flat, even horizontal. It was coincidence only that the y-intercept and slope were the same number.

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3 years ago
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bearhunter [10]

Answer:

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Step-by-step explanation:

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3 years ago
Rounding 2.289 to the nearest tenth
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rounding 2.289 to the nearest ten gives you 0. its that simple ;)

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