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Chapter 5: Q. 142 (page 626)
Solve a System of Equations by Elimination -
The simplification of Expression will be - .
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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, translate to a system of equations and solve.
The difference of two supplementary angles is 8 degrees. Find the measures of the angles.
When Gloria spent 15 minutes on the elliptical trainer and then did circuit training for 30 minutes, her fitness app says she burned 435 calories. When she spent 30 minutes on the elliptical trainer and 40 minutes circuit training she burned 690 calories. Solve the system for e, the number of calories she burns for each minute on the elliptical trainer, and c, the number of calories she burns for each minute of circuit training.
In the following exercises, translate to a system of equations and solve.
Two angles are complementary. The measure of the larger angle is twelve less than twice the measure of the smaller angle. Find the measures of both angles.
In the following exercises, translate to a system of equations and solve.
The perimeter of a rectangle is 58. The length is 5 more than three times the width. Find the length and width.
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