Subtract. 8.3
A. 5.539
B. 6.539
C. 7.000
D. 5.661
Answer: A
Mathematics
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Describe the graph of the polar equation.r2 + 2r2sin ? cos ? = 121
A. Two horizontal lines passing through (0, ±11) B. Parabola opening to the right with vertex at (11, 0) C. Parabola opening upward with vertex at (0, 11) D. Two straight lines of slope -1, y-intercepts (0, ±11)
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Write the statements Sk and Sk+1.Sn: 12 + 42 + 72 + . . . + (3n - 2)2 = 
What will be an ideal response?
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Find the intercepts for the ellipse, rounded to four decimal places.
+ 
= 1
A. (±4.3589, 0), (0, ±4.7958) B. (4.7958, 0), (0, 4.3589) C. (±4.7958, 0), (0, ±4.3589) D. (4.3589, 0), (0, 4.7958)
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Find an equation that meets the given conditions.y varies inversely as x and y = 28 when x = 
A. y = 
B. y = 
C. y = 112x
D. y = 
Mathematics