Solve the problem.The length of the diagonal of a rectangle is given by  where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 16 inches long and 2 inches wide? Round your answer to the nearest tenth of an inch, if necessary.

A. 5.7 inches
B. 16.1 inches
C. 4.2 inches
D. 15.9 inches


Answer: B

Mathematics

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Find all the second order partial derivatives of the given function.f(x, y) = 

A.  = -  =  ;   =  =  
B.  =  = - ;   =  =  
C.  = -  =  ;   =  =  
D.  = -  =  ;   =  =  

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Solve the problem.There are 10 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?

A. 6 B. 120 C. 720 D. 1000

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The formula used to calculate body mass index is BMI= ? 703 where w = weight in lb and h = height in inches. If Matthew is 6 ft 3 in tall and weighs 220 lb, calculate his BMI.

A. 38.97 B. 27.5 C. 23.79 D. 20.6

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Find the distance traveled by a point P traveling on a circle of radius r by finding ? and then using the arc length formula, s = r?. The value of ? is in radians/sec. Give an exact answer unless otherwise indicated.r = 16 m, ? = , t = 2 sec

A.  m
B.  m
C.  m
D.  m

Mathematics