Without graphing, determine the number of solutions of the system of equations. State whether the system is consistent or inconsistent. For a system that is consistent, state whether the equations are dependent or independent.
A. no solutions; inconsistent
B. infinitely many solutions; consistent; dependent
C. infinitely many solutions; consistent; independent
D. one solution; consistent; independent
Answer: B
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Solve the problem.A projectile is fired vertically upward into the air, and its position (in meters) above the ground after t seconds is given by the function s(t) = -4.9t2 + 30t.a. Find the instantaneous velocity function v (t).b. Determine the instantaneous velocity of the projectile at t = 1 and t = 2 seconds.
A. a. v(t) = -9.8t + 30; b. v(1) = 20.2 m/s, v(2) = 10.4 m/s B. a. v(t) = 20.2t; b. v(1) = -20.2 m/s, v(2) = -40.4 m/s C. a. v(t) = 20.2t; b. v(1) = 20.2 m/s, v(2) = 40.4 m/s D. a. v(t) = -9.8t + 30; b. v(1) = -20.2 m/s, v(2) = -10.4 m/s
Find the adjusted gross income.Tom and Sandy Bowles had incomes of $19,889 and $8,129. They also had $303 in interest income and an adjustment of $856 in moving expenses.
A. $28,321 B. $27,465 C. $29,177 D. $27,162
Simplify.eln 0.357
A. log 0.357 B. ln -0.357 C. -0.357 D. 0.357
Find the equation of the line passing through the points.
(2, 6) and (4, 10)
