Chapter 4: Q 316 (page 473)
In the following exercises, solve each system by graphing.
Short Answer
The solution of the equation is dark shaded region.
Chapter 4: Q 316 (page 473)
In the following exercises, solve each system by graphing.
The solution of the equation is dark shaded region.
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A motor boat traveled miles down a river in two hours but going back upstream, it took hours due to the current. Find the rate of the motor boat in still water and the rate of the current. (Round to the nearest hundredth).
The sum of two number is . One number is less than the other. Find the numbers.
The sum of two numbers is .
Their difference is . Find the
numbers.
Translate to a system of equation and solve.
The difference of two supplementary angles is degrees. Find the measures of the angles.
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