goverton101
05.01.2021 •
Mathematics
Please help me please
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Ответ:
(2-4)/(8-3) = -2/5
Y = -2/5x + b
Plug in a point
4 = -2/5(3) + b
4 = -6/5 + b, b = 5.2
Solution: y = -2/5x + 5.2
Ответ:
you have to find the angles inside the triangle first so
- 180-109 = 71° (angles on a straight line add up to 180°)
- 55° (vertically opposite angles)
71+55= 126
180-126= 54
x=54°