A trough is filled with a liquid of density 855 kg/m3. The ends of the trough are equilateral triangles with sides 7m long and vertex at the bottom. Find the hydrostatic force on one end of the trough.
e. 
Mathematics
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Translate to a proportion and solve. 665 is what percentage of 95?
A. 
%
B. 70%
C. 700%
D. 7%
Mathematics
Find the vertices and foci of the given ellipse.16x2 + 5y2 = 80
A. Vertices: (0, 4) and (0, -4);
Foci: (0, 
) and (0, -
)
B. Vertices: (0, 16) and (0, -16);
Foci: (0, 5) and (0, -5)
C. Vertices: (4, 0) and (-4, 0);
Foci: (
, 0) and (-
, 0)
D. Vertices: (0, 16) and (0, -16);
Foci: (0, 
) and (0, -
)
Mathematics
Solve the problem.Find the dimensions that produce the maximum floor area for a one-story house that is rectangular in shape and has a perimeter of 162 ft. Round to the nearest hundredth, if necessary.
A. 13.5 ft x 40.5 ft B. 40.5 ft x 162 ft C. 40.5 ft x 40.5 ft D. 81 ft x 81 ft
Mathematics
Determine whether the pair of vectors is orthogonal.
, 
A. Yes B. No
Mathematics