Find the common ratio r for the given infinite geometric sequence.
, 
, 
, 
, 
, . . .
A. 
B. 10
C. 12
D. 4
Answer: D
Mathematics
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Evaluate -
given x.-100
A. 60 B. -60 C. -100 D. 100
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Add or subtract as indicated.Add.-4z4 + 6z3
A. -4z4 + 7z3 - 12z B. -3z4 + 6z3 - 12z C. -4z4 + 5z3 + 12z D. -4z4 + 7z3 + 12z
Mathematics
Provide an appropriate response.Find a cofunction equivalent to csc 16°.
A. sec 74° B. sec 106° C. sin 16° D. sec 16°
Mathematics
Add or subtract. Assume that variables represent nonnegative values.
- 2
- 10
A. -162
B. -74
C. 74
D. 98
Mathematics