Solve the problem.What is the coefficient of a3b5c2 in the expansion of (a - b + c)10?
A. -362,880
B. 2520
C. -2520
D. 362,880
Answer: C
Mathematics
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Solve the problem.Two forces of 502 N and 246 N act at a point. The resultant force is 580 N. Find the angle, to the nearest tenth of a degree, between the forces.
A. 164.3° B. 85.3° C. 84.5° D. 95.5°
Mathematics
Write the system of linear equations that the augmented matrix represents.
A.
| 20x | + 12y | = 15 |
| 5x | + 16y | = 19 |
B.
| 20x | + 12y | = 15 |
| 16x | + 5y | = 19 |
C.
| 20x | + 12y | = -15 |
| 16x | + 5y | = -19 |
D.
| 12x | + 20y | = 15 |
| 16x | + 5y | = 19 |
Mathematics
Find the equation of the curve on which point P lies such that the difference of the distances between point P and the points 
and 
is 8.
What will be an ideal response?
Mathematics
For the pair of vectors, find 
?, 
and 
variablename="impvar_cec712f83dbf440888352ed2a" />.
?
?
, 
?
?
?
?
What will be an ideal response?
Mathematics