Questions from College Mathematics

Q: (A) Form the dual problem. (B)

(A) Form the dual problem. (B) Is the dual problem a standard maximization problem in standard form? Explain

Q: (A) Form an equivalent minimization problem with Ú problem constraints

(A) Form an equivalent minimization problem with Ú problem constraints (multiply inequalities by -1 if necessary), (B) Form the dual of the equivalent problem. (C) Is the dual problem a...

Q: Solve the linear programming problems by applying the simplex method to the

Solve the linear programming problems by applying the simplex method to the dual problem.

Q: Solve the linear programming problems by applying the simplex method to the

Solve the linear programming problems by applying the simplex method to the dual problem. Repeat Problem 47 with C = 4x1 + 7x2 + 5x3 + 6x4 Data from Problem 47:

Q: A mining company operates two mines, each producing three grades of

A mining company operates two mines, each producing three grades of ore. The West Summit mine can produce 2 tons of low-grade ore, 3 tons of medium-grade ore, and 1 ton of high-grade ore in one hour o...

Q: Repeat Problem 50 if it costs $300 per hour to operate

Repeat Problem 50 if it costs $300 per hour to operate the West Summit mine and $700 per hour to operate the North Ridge mine and all other data remain the same. Data from Problem 50: A mining compan...

Q: Repeat Problem 50 if it costs $800 per hour to operate

Repeat Problem 50 if it costs $800 per hour to operate the West Summit mine and $200 per hour to operate the North Ridge mine and all other data remain the same. Data from Problem 50: A mining compan...

Q: A farmer can buy three types of plant food: mix A

A farmer can buy three types of plant food: mix A, mix B, and mix C. Each cubic yard of mix A contains 20 pounds of phosphoric acid, 10 pounds of nitrogen, and 10 pounds of potash. Each cubic yard of...

Q: Repeat Problem 57 if the weekly cost of busing a student from

Repeat Problem 57 if the weekly cost of busing a student from North Division to Washington is $7 and all other data remain the same. Data From Problem 57: A metropolitan school district has two overc...

Q: Use formula (1) for simple interest to find each of

Use formula (1) for simple interest to find each of the indicated quantities. P = $950; r = 9%; t = 1 year; I = ?