Find the vector projv u.v = 3i - j + 3k, u = 2i + 10j + 11k

A. i - j + k
B. i + j + k
C. i + j + k
D. i - j + k


Answer: A

Mathematics

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Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k 

A. ? = cosh2 t
B. ? = sinh2 t
C. ? = 
D. ? = 

Mathematics

Solve the problem.Suppose a legislative assembly is considering a new bill (n) to replace existing law (e), and two amendments (ax, ay) are considered. The results of all pairwise comparisons are given in the table. If Amendment ay is proposed and then Amendment ax, the order of the sequential pairwise comparisons needed to determine the legislative outcome is n, ay, ax, e. What is the choice of the representatives in this case?

A. e B. ay C. ax D. n

Mathematics

Find the average inventory.

A. $31,645.00 B. $63,290.00 C. $21,472.00 D. $21,096.67

Mathematics

Solve the system of equations by the addition method.

A.
B. no solution
C. (5, 24)
D. (24, 5)

Mathematics