Solve the problem.The volume of water added to a circular drum of radius r is given by Vw = 40t, where Vw is volume in cu ft and t is time in sec. Find the depth of water in a drum of radius 9 ft after adding water for 22 sec. (Round result to one decimal place.)
A. 3.5 ft
B. 1.9 ft
C. 7.0 ft
D. 11.0 ft
Answer: A
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a. Find the derivative function f' for the function f. b. Find an equation of the line tangent to the graph of f at (a, f(a)) for the given value of a.f(x) = 
; a = -1
A. a. f'(x) = - 
; b. tangent line is y = - 
x + 
B. a. f'(x) = - 
; b. tangent line is y = - x - 2
C. a. f'(x) = 
; b. tangent line is y = 
x + 
D. a. f'(x) = - 
; b. tangent line is y = - 
x + 
Complete.7 hr = ___ sec
A. 420 B. 25,200 C. 42,000 D. 2520
Use the prime factorization method to find the LCM of the given numbers.56 and 96
A. 224 B. 168 C. 1344 D. 672
The market for a cost leadership strategy is
A. the industry's average customer. B. low income consumers. C. the segment of consumers who desire high quality at a low cost. D. consumers who are being poorly served by competing organizations.