The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 3 for r(t) = (5t - 2t4)i + (8 - t)j + (3t2 - 6t)k
A. a(3) = -216i - j + 6k
B. a(3) = -54i + 6k
C. a(3) = -216i + 6k
D. a(3) = 216i + 6k
Answer: C
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Describe the given set of points with a single equation or with a pair of equations.The plane through the point (-9, -8, -9) and perpendicular to the x-axis
A. x = -9 B. -9 + y + z = 0 C. y + z = -17 D. y = -8 and z = -9
Divide.301 ÷ 6
A. 50 R 5 B. 51 C. 50 R 1 D. 50
Solve the problem.Find the measures of the seven remaining angles. Assume that line p is parallel to line q and that t is a transversal.
A. m?2 = m?4 = m?6 = 49°; m?1 = m?3 = m?5 = m?7 = 131° B. m?2 = m?4 = m?6 = 49°; m?1 = m?3 = m?5 = m?7 = 141° C. m?5 = m?6 = m?7 = 49°; m?1 = m?2 = m?3 = m?4 = 131° D. m?2 = m?4 = m?6 = 49°; m?1 = m?3 = m?5 = m?7 = 41°
Solve the system.
+ 
+ 
= - 
- 
- 
=
- 
+ 
+ 
= - 
A. {(3, 2, 2)}
B. {(-3, -2, -2)}
C. {(-3, -2, 2)}
D. 