Solve the absolute value equation.?4s + 5? = ?s - 6?

A. {}
B. {}
C. {}
D. ?   


Answer: A

Mathematics

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Perform the indicated operation.(7 - 2i) + (2 + 6i)

A. 5 + 8i B. -9 - 4i C. 9 + 4i D. 9 - 4i

Mathematics

Write sigma notation.9 + 18 + 27 + 36 + 45 + . . .

A.
B.
C.
D.

Mathematics

Provide an appropriate response.A red urn contains 4 red marbles, 2 blue marbles, and 4 green marbles. A blue urn contains 2 red marbles, 2 blue marbles, and 1 green marble. A green urn contains 3 green marbles. A marble is selected from an urn, the color is noted, and the marble is returned to the urn from which it was drawn. The next marble is drawn from the urn whose color is the same as the marble just drawn. Thus, this is a Markov process with three states: draw from the red urn, draw from the blue urn, or draw from the green urn.  Find the limiting matrix , if it exists, and describe the long-run behavior of this process.

A.  
  = 
B.  
  = 
C.  
  = 
D.  
  = 

Mathematics

Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of summation. +  +  +  +... +  

A.
B.
C.
D.

Mathematics