Solve the problem.The half-life of plutonium-234 is 9 hours. If 70 milligrams is present now, how much will be present in 5 days? (Round your answer to three decimal places.)
A. 0.007
B. 47.627
C. 27.779
D. 1.488
Answer: A
Mathematics
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For the given question, determine whether an Euler circuit, a Hamilton circuit, or neither would solve the problem.The vertices of a graph represent counties in eastern Oklahoma and the edges represent the relation "have a common border". A county agent wishes to cross each common county border exactly once, returning to the starting county when done.
A. Hamilton B. Euler C. Neither
Mathematics
Find the vertex of the parabola associated with the quadratic equation.y = x2 + 2x - 3
A. (1, -4) B. (1, 4) C. (-1, -3) D. (-1, -4)
Mathematics
Graph the equation by plotting points.y = x3 
A. 
B. 
C. 
D. 
Mathematics
Let f(x) = 8x2 - 5x and g(x) = 7x + 9.Find the composite.g[f(3)]
A. 1212 B. 618 C. 7050 D. 408
Mathematics