Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 30x + y = -11

A. (5, -6), (6, -5)
B. (-5, 6), (-6, 5)
C. (5, 6), (6, 5)
D. (-5, -6), (-6, -5)


Answer: D

Mathematics

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Evaluate the integral.

A. cos x ln(cos x) + cos x + C B. sin x ln(cos x) - cos x + C C. -cos x ln(cos x) + sin x + C D. -cos x ln(cos x) + cos x + C

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Express as a product.log b L-8 

A. -8 log b L
B. log b  L ? log b  L
C. log b L ? log b 
D. L log b 

Mathematics

Solve the problem.A grocery store normally sells 6 jars of caviar per week. Use the Poisson Distribution  to find the probability (to three decimals) of selling 8 jars in a week. 

A. 65.052 B. 0.103 C. 0.826 D. 0.207

Mathematics

Solve the quadratic equation using the quadratic formula.3x2 = -2 - 12x

A.
B.
C.
D.

Mathematics