Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 160-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 30 ft above the water?
A. 6600 ft ? lb
B. 1060 ft ? lb
C. 4860 ft ? lb
D. 5700 ft ? lb
Answer: D
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Determine whether the system corresponding to the given augmented matrix is dependent or inconsistent. If it is dependent, give the solution.
A. inconsistent B. dependent; (5, 2) C. dependent; (-5, -2, 10) D. dependent; (-5, -2)
Solve the problem.Find three consecutive odd integers such that the sum of all three is 36 less than the product of the smaller two.
A. -6, -4, -2 B. 5, 7, 9 C. 7, 9, 11 D. 7, 9, 11, or -6, -4, -2
Find the GCF.48(a - b), 54(a - b)
A. 6(a - b) B. (a - b) C. 6 D. 48(a - b)
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) =
A. x-intercept: , y-intercept: (0, 2) ;
B. x-intercept: , y-intercept: (0, 2) ;
C. x-intercept: , y-intercept: (0, 2) ;
D. x-intercept: , y-intercept: (0, 2) ;