Use a proportion to solve the problem.If a spring stretches 8 meters when a 3-kilogram weight is attached to it, how much will it stretch when a 18-kilogram weight is attached to it?
A. 47 meters
B. 48 meters
C. 50 meters
D. 51 meters
Answer: B
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Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. x - 4
B. x + 4
C. 
D. 
A furniture manufacturer makes TV tables and bookcases in the same workshop. Each item brings in a profit of $18. Each bookcase requires 2 hours of labor 3 units of teak wood. Each TV table requires 6 hours of labor and 1 unit of teak wood. Resources in the workshop are restricted to 6 units of teak wood a day and 12 hours of labor per day. The initial and final tableau are given below with x = the number of TV tables and y = the number of bookcases produced each day.?
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/>(initial)(final)Write the dual problem to the above primal problem and give a short interpretation of the dual and its solution. What will be an ideal response?
Solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.
A. 100 point(s) per thousand dollars B. 10.1 point(s) per thousand dollars C. 1 point(s) per thousand dollars D. 1000 point(s) per thousand dollars