The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 10 sin ?
A. 
= 10y
B. x2 + y2 = 10x
C. x2 + y2 = 10y
D. 
= 10x
Answer: C
Mathematics
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Specify the range for the relation.{(3, 2), (5, 7), (13, 10), (16, 19)}
A. R = {3, 5, 13, 16} B. R = {2, 19} C. R = {2, 7, 10, 19} D. R = {3, 5, 13, 16, 2, 7, 10, 19} E. R = {3, 16}
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Parametrize the surface S.S is the portion of the plane -7x + 7y + 8z = -1 that lies within the cylinder 
.
What will be an ideal response?
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Find the midpoint of the line segment joining the two points.(2, -6) and (-4, 0)
A. 
B. 
C. 
D. 
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Find integers that are upper and lower bounds for the real zeros of the polynomial.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics