Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.midpoint 
, endpoint (p, q)
A. (b, -y)
B. (b, y)
C. 
D. 
Answer: A
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Find the flux of the vector field F across the surface S in the indicated direction.F = 
k ; S is the upper hemisphere of x2 + y2 + z2 = 9; direction is outward
A. 
B. - 
?
C. 
?
D. - 
Simplify by factoring out the given factor.15s1/7 - 7s-3/7; s-3/7
A. s1/3(15 - 7s4/7) B. s1/7(15s4/7 - 74/7) C. s-3/7(15s4/7 - 7s) D. s-3/7(15s4/7 - 7)
The weight of a crate is 300 newtons. Find the tension in each of the supporting cables shown in the figure. The coordinates of the points A, B, C, and D are given below the figure. Round to the nearest newton.
[Figure not necessarily to scale.]
point A = (0,0,-80), point B = (140,0,0), point C = (-50,50,0), point D = (0,-180,0)
A. cable AB = 245; cable AC = 132; cable AD = 126
B. cable AB = 132; cable AC = 126; cable AD = 245
C. cable AB = 132; cable AC = 245; cable AD = 126
D. cable AB = 126; cable AC = 245; cable AD = 132
E. cable AB = 245; cable AC = 126; cable AD = 132
Solve. Round to the nearest tenth when necessary.
= 
A. 86,800 B. 2170 C. 1953 D. 2.26