Find the values of x for which the geometric series converges.

A. 4 < x < 5
B. -5 < x < 5
C. 5 < x < 6
D. 4 < x < 6

Answer: D

Mathematics

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List all the elements of B that belong to the given set.B = {7, , -12, 0, , - , 8.3,  , 9?, 0.979797....}Integers

A. 7, -12, 0
B. 7, -12, 0, 
C. 7, 0
D. 7, 0, 

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Write a matrix equation equivalent to the system of equations.  x + y + z = -4 4x - 4y - 3z = -4-4x - 3y - 2z = 4

A.  
 = 
B.  
 = 
C.  
 = 
D.
 = 

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Solve by the substitution method.9x - 7y = 417x + 5y = 11

A. (3, -2) B. (3, -1) C. (41, 11) D. (2, -1)

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