What is the equation of the line perpendicular to y=2/3x+1 that passes through the point (12, -6)?
1 answer:
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Answer:
6). Option A
7). Option C
8). Y = 62°
Step-by-step explanation:
6). Let the missing angle = x°
By applying cosine rule to find the missing angle,
cos(x°) =
=
x =
x = 18.92°
x ≈ 19°
Option A is the answer.
7). Let the missing angle = x°
By applying cosine rule in the given triangle,
cos(x°) =
cos(x°) =
x =
x = 13.17
x = 13°
Therefore, Option C is the answer.
8). tanY = 1.8807
Y =
Y = 62°