Solve the equation in the interval [0°, 360°). Give solutions to the nearest tenth, if necessary.4 sin2? = 3
A. {60°, 120°}
B. {60°, 120°, 240°, 300°}
C. {240°, 300°}
D. ?
Answer: B
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Solve the system. If the system's equations are dependent or if there is no solution, state this. x + 3y + 2z = 11 4y + 9z = -12x + 7y + 11z = -11
A. The equations are dependent. B. (0, 3, 1) C. (1, 6, -4) D. No solution
Solve.County records list a rectangular parcel of land as measuring 42,994 square yards. A surveyor measures the length of the parcel of land as 259 yards. What is the width of the parcel?
A. 166 yards B. 159 yards C. 175 yards D. 42,735 yards
Find the nonreal complex solutions of the equation. Write your answer in standard form.(x - 7)2 = -36
A. {1, -13} B. {13, 1} C. {±6} D. {7 ± 6i}
Solve the system of equations by substitution.
A. (7, 0) B. (0, -7) C. (1, -8) D. no solution