Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 cos t + 2 cos 3t, y = 6 sin t - 2 sin3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write an equation for the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find all specified roots.Fifth roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
B. 1, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
,-1
D. -1, cis 
, cis 
, cis 
, cis 
Mathematics
157.08 cubic millimeters of material was removed by drilling the blind hole shown in the illustration. Find the depth of the hole.
(The volume of a cylinder is given by 
)
?
?
?
A. 10 millimeters
B. 5 millimeters
C. 1 millimeters
D. 8 millimeters
E. 16 millimeters
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.12x = 2x2
A. {0, 6} B. {0, - 6} C. {6, - 6} D. {0}
Mathematics