Chapter 4: Q. 340 (page 479)
In the following exercises, solve the systems of equations by substitution.
The system of linear equations has no solutions.
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Translate to a system of equation and solve.
The difference of two supplementary angles is degrees. Find the measures of the angles.
Without graphing, determine the number of solutions and then classify the system of equations.
Two angles are supplementary. The measure of the larger angle is five less than four times the measure of the smaller angle. Find the measure of both angles.
Translate to a system of equations and then solve:
A small jet can fly miles in hours with a tailwind but only miles in hours into a headwind. Find the speed of the jet in still air and the speed of the wind.
A small jet can fly miles in hours with a tailwind but only miles in hours into a headwind. Find the speed of the jet in still air and the speed of the wind.
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