Solve the problem.A 50-m-long chain hangs vertically from a cylinder attached to a winch. Assume there is no friction in the system and that the chain has a density of 10 kg/m. How much work is required to wind the chain onto the cylinder if a 40-kg block is attached to the end of the chain?
A. 25,040g J
B. 14,500g J
C. 27,000g J
D. 12,540g J
Answer: B
Mathematics
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Use the Instructional Algorithm for addition or subtraction to perform the operation.49 - 19
A. 50 B. 68 C. 30 D. 12
Mathematics
Add or subtract. Express the answer as a mixed number.1
+ 2
+ 10
A. 15
B. 14
C. 14
D. 13
Mathematics
Graph the function.g(x) = -x(x + 2)2(x - 3)2
A. 
B. 
C. 
D. 
Mathematics
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.The lengths of randomly cut pieces of string measured to the nearest inch
A. Rational numbers B. Integers C. Natural numbers
Mathematics