A chain weighing 4 lb/ft hangs vertically from a winch located 11 ft above the ground, and the free end of the chain is just touching the ground. Find the work done by the winch in pulling in the whole chain.
What will be an ideal response?
242 ft-lb
Mathematics
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Factor using the reverse FOIL method.8x2 + 6x - 9
A. (4x - 3)(2x + 3) B. (8x + 3)(x - 3) C. (4x + 3)(2x - 3) D. (8x - 3)(x + 3)
Mathematics
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.What is the price of the newspaper?$0.74
A. Unreasonable, should be $74.00
B.
| Reasonable |
C. Unreasonable, should be $7.40
D. Unreasonable, should be $0.074
Mathematics
Solve the equation by factoring.x2 - x = 72
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the sum of the infinite geometric series, if it exists.
A. 
B. does not exist
C. 
D. 1
Mathematics