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erastova [34]
3 years ago
6

Write the equation of the line that passes through the points (-1,-5) and (2,4).

Mathematics
2 answers:
rusak2 [61]3 years ago
7 0
The answer is: y=3x+1
Art [367]3 years ago
3 0

Answer:

y=3x+1

Step-by-step explanation:

First, we have to find the slope. \frac{4-(-5)}{2-(-1)} This comes out to 9/3. This becomes 3. Now we need to find the y-intercept. Now write out how to find the answer. 4=3(2)+b. 4=3+b. Subtract 3 from both sides to get 1=b. Now write out the equation. y=3x+1

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The line is parallel so the slope is the same. So the slope = 2
Using a point-slope equation we have
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plug in the points
y-1 = 2(x-(-2))
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melisa1 [442]

answer:

y = 114°    and   x = 120°

step-by-step explanation:

part A:

  • one inner angle: 51°
  • second inner angle: (180°-87°) = 93°
  • third inner angle: (180°-30°) = 150°
  • fourth, beside y angle: 360° - 150° - 93° - 51° = 66°
  • then y = 180°  - 66°  = 114°

part B:

  • there are 6 sides, so inner angle: (6-2)*180 = 720°
  • 160° + 123° + 107° + 90° + x + x = 720°
  • 2x + 480° = 720°
  • 2x = 720° = 480°
  • 2x = 240°
  • x = 120°
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90-x because a complementary angle is =90 degrees.
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Step-by-step explanation:

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