Graph the polar equation.r = 5 - cos ?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = cos ?, y = -2 sin22?
A. y = 2x(1- x2)
B. y = -8x2(1- x2)
C. y = -2x2(1- x2)
D. y = -8x2
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The number of tasks in the project is
A. 9. B. 6. C. 8. D. 7. E. none of these
Mathematics
Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 41 feet wide and the canal is 1 feet deep at the center, how deep is it 5 feet from the edge?
A. 0.6 ft B. 0.2 ft C. 0.8 ft D. 0.4 ft
Mathematics
Solve the problem.Solve for m in terms of the other variables.
A. m = 
B. m = 
C. m = 
D. m = n2 - p2
Mathematics