Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid  before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid  before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of apples.Use the fact that for   

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A. $0.87 per pound
B. $0.74 per pound
C. $0.80 per pound
D. $0.83 per pound

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Answer: D

Mathematics

Complete the truth table for an inverter gate.

What will be an ideal response?

First use front-end rounding to write an estimate of the answer, and then add the decimals to obtain an exact answer.EstimateProblem?

A. Estimate: 14, exact: 14.3422 B. Estimate: 14, exact: 14.3322 C. Estimate: 16, exact: 15.3422 D. Estimate: 15, exact: 15.3322

Solve by using the simplex method.Maximize6x1+ 7x2subject to2x1+ 3x2? 122x1+ x2? 8and x1 ? 0, x2 ? 0

A. Maximum = 32 when x1 = 3 and x2 = 2 B. Maximum = 39 when x1 = 3 and x2 = 3 C. Maximum = 28 when x1 = 0 and x2 = 4 D. Maximum = 38 when x1 = 4 and x2 = 2

Use the Gauss-Jordan method to solve the system of equations. 5x - y + z = 8 7x + y + z = 612x + 2z = 14

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