Use the addition rule to solve the problem.If P(A) = 0.5, P(B) = 0.5, and P(A ? B) = 0.6, then what is P(A ? B)?
A. 0
B. 0.4
C. 0.2
D. 1.2
Answer: B
Mathematics
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Solve the problem.Find any local extrema (maxima, minima, or saddle points) of 
given that 
and 
A. Local maximum at 
B. Local minimum at 
C. Local minimum at 
D. Saddle point at 
Mathematics
Use the Gauss-Jordan method to solve the system of equations. 5x - y + 2z = 2 6x + 7y - 4z = 37 4x - 9y + z = -40
A. (-1, 5, 2) B. (1, 5, 1) C. No solution D. (1, 1, 5)
Mathematics
Round the decimal to the given place value.53.123459 (nearest ten-thousandth)
A. 53.1236 B. 53.123459 C. 53.1235 D. 53.12346
Mathematics
Find the fraction of a complete rotation that corresponds to the given angle. 
A. 
B. 3
C. 
D. 
Mathematics