Solve the problem.Two angles of a triangle are 50° and 100°. What is the measure of the third angle?
A. 210°
B. 150°
C. 30°
D. -60°
Answer: C
Mathematics
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Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r sin ? = 4
A. x = 4; vertical line 4 units
to the right of the pole
B. y = -4; horizontal line 4 units
below the pole
C. x = -4; vertical line 4 units
to the left of the pole
D. y = 4; horizontal line 4 units
above the pole
Mathematics
Add.(-8 + 5n5 - 7n3) + (5n5 - 2n3 - 9)
A. -16n8 B. -3n5 + 3n3 - 16 C. 10 - 9n5 - 17n3 D. 10n5 - 9n3 - 17
Mathematics
Evaluate.
A. 34 B. 8 C. 17 D. 1
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(6, 9)} B. {(9, -3)} C. {(9, 6)} D. {(5, 7)}
Mathematics