Multiply.-0.8 ? (-19.3)
A. 15.44
B. 20.1
C. -18.5
D. -20.1
Answer: A
Mathematics
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Solve the problem.Find the center of mass of a tetrahedron of density 
bounded by the coordinate planes and the plane 
.
A. 
= 
, 
= 
, 
= 
B. 
= 
, 
= 
, 
= 
C. 
= 
, 
= 
, 
= 
D. 
= 
, 
= 
, 
= 
Mathematics
Evaluate.cos-1 
A. 
B. - 
C. 0
D. ?
Mathematics
Solve the problem.If a polygon, of n sides has 
n(n - 3) diagonals, how many sides will a polygon with 44 diagonals have?
A. 13 sides B. 12 sides C. 11 sides D. 10 sides
Mathematics
Solve the problem.When two lenses are placed next to each other, their combined focal length (a measurement that can be negative or positive) is described by the equation f = 
.If f1 = 0.001, what are the asymptotes of this function?
What will be an ideal response?
Mathematics