Solve the problem.
-The sum of two angles is 225°. One angle is 30° less than twice the other. Find the angles.
A) 136° and 89°
B) 85° and 140°
C) 83° and 142°
D) 83° and 136°
Correct Answer:
Verified
Q21: Solve by the substitution method.
-x + y
Q22: Solve by the substitution method.
-x + y
Q23: Solve by the substitution method.
-6x + 9y
Q24: Solve using the elimination method.
-- x -
Q24: Solve the problem.
-The sum of two numbers
Q25: Solve the problem.
-The perimeter of a rectangle
Q27: Solve by the substitution method.
-x - 5y
Q28: Solve by the substitution method.
-7x + 9y
Q29: Solve using the elimination method.
-4 x -
Q30: Solve by the substitution method.
-8x + 17
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