Solve the system of equations.
A. x = 1, y = 3, z = -2; (1, 3, -2)
B. x = -2, y = 1, z = 3; (-2, 1, 3)
C. x = -2, y = 3, z = 1; (-2, 3, 1)
D. inconsistent
Answer: B
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Solve the problem.A projectile is fired with an initial velocity of 600 feet per second at an angle of 45° with the horizontal. In how many seconds will the projectile strike the ground? (Round your answer to the nearest tenth of a second.) The parametric equations for the path of the projectile are x = (600 cos 45°)t, and y = (600 sin 45°)t - 16t2.
A. 31.3 seconds B. 26.5 seconds C. 23.1 seconds D. 34.6 seconds
Use factoring to solve the quadratic equation.x2 - x = 6
A. {-2, -3} B. {-2, 3} C. {1, 6} D. {2, 3}
Determine whether the given values of x are solutions to the compound inequality. (Y/N).2x + 2 ? 4 and 2 - x ? 7; x = -4, x = 1
A. Yes, Yes B. Yes, No C. No, Yes D. No, No
Is f continuous at ?3 ?
