Network Analysis The figure shows the flow of traffic (in vehicles per hour) through a network of streets.
(a) Solve this system for
(b) Find the traffic flow when
(c) Find the traffic flow when
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Elementary Linear Algebra (MindTap Course List)
- Writing Consider the system of linear equations in x and y. a1x+b1y=c1a2x+b2y=c2a3x+b3y=c3 Describe the graphs of these three equations in the xy-plane when the system has a exactly one solution, b infinitely many solutions, and c no solution.arrow_forwardGraphical Analysis. In Exercises 31-36, complete parts a-e for the system of equations. a Use a graphing utility to graph the system. b Use the graph to determine whether the system is consistent or inconsistent. c If the system is consistent, approximate the solution. d Solve the system algebraically. e Compare the solution in part d with the approximation in part c. What can you conclude? 14.7x+2.1y=1.0544.1x6.3y=3.15arrow_forwardSolving a system of equation in three variables Find the complete solution of the linear system, or show that it is inconsistent. {x2y3z=52x+yz=54x3y7z=5}arrow_forward
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