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Chapter 5: Q. 107 (page 612)
In the following exercises, translate to a system of equations and solve.
The sum of two numbers is 15. One number is 3 less than the other. Find the numbers.
The numbers are 6 and 9
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Determine whether an ordered pair is a solution of a system of equations. In the following exercises, determine if the following points are solutions to the given system of equations.
(a)
(b)
In the following exercises, solve the following systems of equations by graphing.
In the following exercises, translate to a system of equations and solve.
The perimeter of a rectangle is 84. The length is 10 more than three times the width. Find the length and width.
In the following exercises, translate to a system of equations and solve.
Two angles are complementary. The measure of the larger angle is ten more than four times the measure of the smaller angle. Find the measures of both angles.
In the following exercises, translate to a system of equations and solve.
At the end of spring break, Lucy left the beach and drove back towards home, driving at a rate of 40 mph. Lucy’s friend left the beach for home 30 minutes (half an hour) later, and drove 50 mph. How long did it take Lucy’s friend to
catch up to Lucy?
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