Chapter 5: Problem 13
Sketch the graph of the inequality. $$y<2-x$$
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Chapter 5: Problem 13
Sketch the graph of the inequality. $$y<2-x$$
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Graph the solution set of the system of inequalities. $$\left\\{\begin{array}{l}x^{2}+y^{2} \leq 25 \\ x^{2}+y^{2} \geq 9\end{array}\right.$$
Graph the solution set of the system of inequalities. $$\left\\{\begin{array}{l}x^{2}+y^{2} \leq 16 \\\ x^{2}+y^{2}<1\end{array}\right.$$
Hair Products A hair product company sells three types of hair products for $$\$ 30$$, $$\$ 20$$, and $$\$ 10$$ per unit. In one year, the total revenue for the three products was $$\$ 800,000$$, which corresponded to the sale of 40,000 units. The company sold half as many units of the $$\$ 30$$ product as units of the $$\$ 20$$ product. How many units of each product were sold?
Writing Explain the difference between the graphs of the inequality \(x \leq 4\) on the real number line and on the rectangular coordinate system.
Graph the solution set of the system of inequalities. $$\left\\{\begin{aligned} 2 x+y & \geq 2 \\ x & \leq 2 \\ y & \leq 1 \end{aligned}\right.$$
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