Solve the problem.A container is the shape of an inverted right circular cone has a radius of 5.00 inches at the top and a height of 7.00 inches. At the instant when the water in the container is 6.00 inches deep, the surface level is falling at the rate of -1.60 in./s. Find the rate at which water is being drained.
A. -117 in.3/s
B. -92.3 in.3/s
C. -88.2 in.3/s
D. -93.3 in.3s
Answer: B
Mathematics
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The graph of an ellipse is given. Find the standard form of the equation of the ellipse. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Find an equivalent fraction with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 2; r = -5
A. a5 = -250; an = 2 ? (-5)n B. a5 = -250; an = 2 ? (-5)n-1 C. a5 = 1250; an = 2 ? (-5)n D. a5 = 1250; an = 2 ? (-5)n-1
Mathematics
Provide an appropriate response.A proper fraction has the form 
. What is the largest possible number that x can be?
A. 21 B. 20 C. 22 D. 10.5
Mathematics