-- Opposite angles of a parallelogram are equal, so 2x+19 = 3x.
Solve this, and you'll know what 'x' is.
-- Adjacent angles of a parallelogram are supplementary, so y+3x = 180.
You know what 'x' is, so you can solve this one and find 'y'.
Sin(-240) is in Q2 and its reference angle is 60°
Answer:
Answer:
5
Step-by-step explanation:
The midpoint of segment AB is (1, 1).
Substituting these coordinates into the equation of the line,

Step-by-step explanation:
the coefficients are the whole numbers accompanied by the variable. would be: 3, 5, 1, 13