Solve the problem.The locations, given in polar coordinates, of two ships are (7 mi, 23°) and (7 mi, 83°). Find the distance between the two ships.
A. ? 3.62 mi
B. ? 3600.00 mi
C. 
? 7.00 mi
D. ? 9.90 mi
Answer: C
Mathematics
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Solve the problem.The line segment joining the points (0, 2) and (8, 4) is revolved about the x-axis to generate a frustum of a cone. Find the surface area of the frustum using the parametrization x = 4t, y = t + 2, 0 ? t ? 2.
A. 12?
B. 12
C. 12?
D. 6?
Mathematics
Determine whether the given lines are parallel, perpendicular, or neither.12x + 4y = 1615x + 5y = 22
A. Perpendicular B. Parallel C. Neither
Mathematics
Convert to radical notation and simplify.84/3
A. 64 B. 16 C. 32 D. 128
Mathematics
Solve by using the quadratic formula.36x2 + 18x = -2
A. 
, 
B. 
, - 
C. - 
, - 
D. - 
, 
Mathematics