Convert to a rectangular equation.r = cos ?
A. (x + y)2 = y
B. (x + y)2 = x
C. x2 + y2 = y
D. x2 + y2 = x
Answer: D
Mathematics
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Provide an appropriate response.Show that f(x, y, z) = x5y5z3 is continuous at every point (x0, y0, z0).
What will be an ideal response?
Mathematics
Simplify the expression. All exponents should be positive integers.(x5)-9
A. 
B. - x45
C. -9x45
D. -9x5
Mathematics
Solve the problem.A yoga studio has width = 21 ft and length = 53 ft. The owner is enlarging the studio by increasing the width x feet so that the new perimeter of the studio is 170 ft. How much should the width be enlarged?
A. 
ft
B. 11 ft
C. 22 ft
D. 96 ft
Mathematics
Find the perimeter of the parallelogram.
A. 63 m B. 96 m C. 126 m D. 93 m
Mathematics