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Black_prince [1.1K]
3 years ago
10

Need help with 61. Show steps please.

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
3 0
Just do 3x+5+2x=90 And solve for x.

So, 5x+5=90
5x=85
x=85/5 = 17

now you know the value of x, so you can calculate the angles.

Btw the total angle of a triangle is 180, and since this is a right angle triangle, you know that the two angles added together needs to equal 90.
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c

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8 0
3 years ago
what is the y intercept of the line with a slope of - 4/7 that also passes through the point (7 , - 7/2) ?
kondor19780726 [428]

The answer is the last option: \frac{1}{2}

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1. You have that the equation of the line is:

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2. Therefore, you must find b.

3. Then, you must substitute the points given in the problem and the slope into the equation of the line and solve for b, as following:

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8 0
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