Solve the equation by the method of your choice. Simplify solutions, if possible.
+
= 
A.
B.
C.
D.
Answer: A
Mathematics
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Solve the problem.The half-life of plutonium-234 is 9 hours. If 60 milligrams is present now, how much will be present in 6 days? (Round your answer to three decimal places.)
A. 0.59 B. 37.797 C. 19.793 D. 0.001
Mathematics
Solve the system using the inverse matrix method.
A. x = 2, y = 6; (2, 6) B. x = 6, y = 2; (6, 2) C. x = -6, y = -2; (-6, -2) D. x = -2, y = -6; (-2, -6)
Mathematics
Locate the point on a rectangular coordinate system. Identify the quadrant , if any, in which the point lies.(-14, -5)
A. III B. I C. IV D. II
Mathematics
Graph the function.y = sin x
A.
B.
C.
D.
Mathematics