Solve, finding all solutions in [0, 2?).sin 2x + sin x = 0

A.
B.
C. No solution
D. 0, , ?, 


Answer: D

Mathematics

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Name the quadrant in which the angle ? lies.tan ? < 0, sin ? < 0

A. I B. II C. III D. IV

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics

Solve.A company has 63,000 employees. Of these,  drive alone to work,  car pool,  use public transportation,  cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?

A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 

Mathematics

Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.y = -4

A. m = 0; y-intercept = none

B. m = undefined; y-intercept = none

C. m = undefined; y-intercept = -4

D. m = 0; y-intercept = -4

Mathematics