Solve the problem.A radio telescope has a parabolic surface. If it is 1 meter(s) deep and 
wide, how far is the focus from the vertex?
A. 25 m
B. 1 m
C. 100 m
D. 5 m
Answer: A
Mathematics
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Integrate the given expression.
A. 
x9/2 + C
B. 
x9/2 + C
C. 
x9/2 + C
D. 
x9/2 + C
Mathematics
Solve the problem.An oil spill of 3583 cubic centimeters is spilled onto a pond and spreads out in a circular shape having a diameter of 568 centimeters. Approximate the thickness of the oil film to four decimal places.
A. 70.7196 cm B. 2.0079 cm C. 0.0141 cm D. 4.0159 cm
Mathematics
Solve the rational inequality.x + 
< 10
A. (0, 4) ? (6, ?) B. (0, 4) ? (4, 6) C. (-?, 0) ? (4, 6) D. (-?, 0) ? (6, ?)
Mathematics
Write using radical notation. Then, simplify, if possible.
A. 2z3
B. 
C. 
D. 
Mathematics