Solve the problem. Round your answer, if appropriate.An inverted conical water tank with a height of 12 ft and a radius of 3 ft is drained through a hole in the vertex. If the water level drops at a rate of 1 ft/min, at what rate is water (in ft3/min) draining from the tank when the water depth is 8 ft? (Hint: Use similar triangles.)
A. 
? ft3/min
B. 4? ft3/min
C. 6? ft3/min
D. 
? ft3/min
Answer: B
You might also like to view...
Find the total area of the region between the curve and the x-axis.y = -x2 + 9; 0 ? x ? 5
A. 
B. 
C. 
D. 
Provide the appropriate response.Fill in the blank to complete the statement.For the polynomial function P(x) = 2.7x4 + 9.5x3 - 10.9x2 + 17.7x - 24, as ?x? ? ?, P(x) ? ____ .
A. -24 B. ? C. 0 D. -?
Use a Venn diagram to answer the question.At East Zone University (EZU) there are 724 students taking College Algebra or Calculus. 432 are taking College Algebra, 319 are taking Calculus, and 27 are taking both College Algebra and Calculus. How many are taking Algebra but not Calculus?
A. 697 B. 292 C. 378 D. 405
Find the least common denominator for the expression.
- 
A. (5x + 6)(5x - 5) B. (x + 3)(x - 5) C. (x + 5)(x + 3)(x - 5) D. (x + 5)2(x + 3)(x - 5)