Provide an appropriate response.A sequence of rational numbers {rn} is defined by r1 = 
, and if 
then 
Find r50.
A. 50
B. 3
C. 2
D. 49
Answer: B
Mathematics
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Perform the indicated operation.(-9)(-10)(-9)
A. 810 B. -810 C. -819 D. 819
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Evaluate the indicated function with the given information.Find sin 4x if sin x = 0.8 (in second quadrant).
A. - 
B. - 
C. 
D. 
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Solve the equation.3x2 - 7 = 0
A. 
B. ?
C. 
or ?
D. 
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Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics