Solve.3x + 2y + z = -174x - 5y - z = 252x + y + 2z = -15
A. (-1, -5, -4)
B. (-4, -1, -5)
C. (-1, -4, -5)
D. (-4, -5, -1)
Answer: A
Mathematics
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Provide an appropriate response.The following equations each describe the motion of a particle. For which path is the particle's velocity vector always orthogonal to its acceleration vector?(1) r(t) = t4i + t4j(2) r(t) = cos (7t)i + sin (2t)j(3) r(t) = ti + t3j(4) r(t) = cos (-4t)i + sin (-4t)j
A. Path (2) and Path (4) B. Path (4) C. Path (3) D. Path (1)
Mathematics
Solve the problem.Rewrite the integral 
in the order 
.
A. 
B. 
C. 
D. 
Mathematics
Find the perimeter of the figure.Square
A. 35.6 mi B. 45.6 mi C. 158.42 mi D. 17.8 mi
Mathematics
Find the real solutions of the equation by factoring.x3 + 6x2 + 8x = 0
A. {0, 2, 4} B. {2, 4} C. {0, -2, -4} D. {-2, -4}
Mathematics