Answer:
x=20
Step-by-step explanation:
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Answer: y + 1 = 2 (x -1)
Step-by-step explanation:
Point slope form is:
y - y1 = m (x - x1)
Point on the line is (1, -1) and slope is 2
m = 2
y1 = -1
x1 = 1
y - (-1) = 2 (x - 1) or y + 1 = 2 (x -1)
Answer:
17 degrees.
Step-by-step explanation:
Total sum of angles on a triangle always make 180
112+51=163
180-163=17
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