Calculate the work done by the force F along the path C.F = -4zi + 5xj + 10yk; C: r(t) = ti + tj + tk , 0 ? t ? 1
A. W = 
B. W = 11
C. W = 22
D. W = 
Answer: A
Mathematics
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Change the angle to an equal angle expressed to the nearest minute.-307.37°
A. -307° 37' B. -307° 38' C. -307° 11' D. -307° 22'
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-4, 9)} B. {(-3, 8)} C. no solution; ? D. {(3, 9)}
Mathematics
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = x2 + 13x + 3
A. f(x) = (x + 11)2 + 3
vertex: (-11, 3)
B. f(x) = (x - 
)2 + 
vertex: 
C. f(x) = (x + 
)2 - 
vertex: 
D. f(x) = (x - 13)2 + 341
vertex: (13, 341)
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics