Use Cramer's Rule to solve (if possible) the system of equations.
?
?
A. (-8, -5)
B. (8, -5)
C. (-8, 5)
D. (8, 5)
E. (5, 8)
Answer: D
Mathematics
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Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the counterclockwise path around the circle x2 + y2 = 121
A. 484? B. 242? C. 0 D. 22?
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Use the cofunction identities to find an angle ? that makes the statement true.sin (3? - 17°) = cos (? + 43°)
A. ? = 10° B. ? = 6° C. ? = 90° D. ? = 16°
Mathematics
Find cos(A + B).cos A = 
and sin 
, with A in quadrant I and B in quadrant IV.
A. 
B. 
C. 
D. 
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Solve.47 + 3x = 
A. 
B. {-3}
C. {4}
D. {3}
Mathematics