Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (5 + 2t)i + (5 + 3t)j + (3 - 6t)k
A. 8t
B. 5t
C. 9t
D. 7t
Answer: D
Mathematics
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If possible, find the matrix product.Given A = [ 7 -2 -1]; and B = 
, find AB.
A. AB = 
B. AB = 
C. AB = 
D. AB = [-74 -16 -27]
Mathematics
Write the system of linear equations that the augmented matrix represents. Use the variables x, y, and z.
A.
| 4x | + 6y | + 3z | = -2 |
| 3x | + 5z | = 4 |
| 8x | + 7y | = 2 |
B.
| 4x | + 6y | + 3z | = -2 |
| 5x | + 5z | = -4 |
| 8x | + 7y | = 2 |
C.
| 4x | + 6y | + 3z | = -2 |
| 5x | + 5z | = 4 |
| 8x | + 7y | = 2 |
Mathematics
Solve the equation.5(4 - d) = 6d + 10 - d
A. d = 4 B. d = 1 C. d = 2 D. d = 0
Mathematics
The triangles are similar. Find the angle or side in the other triangle that corresponds to the given angle or side.
A. 
B. 
C. Cannot be determined
D. 
Mathematics