Chapter 7: Problem 3
Multiply as indicated. $$\frac{x}{3} \cdot \frac{12}{x+5}$$
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Chapter 7: Problem 3
Multiply as indicated. $$\frac{x}{3} \cdot \frac{12}{x+5}$$
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denominators are opposites, or additive inverses. Add or subtract as indicated. Simplify the result, if possible. $$\frac{2 x}{x^{2}-y^{2}}+\frac{2 y}{y^{2}-x^{2}}$$
Use similar triangles to solve. A tree casts a shadow 12 feet long. At the same time, a vertical rod 8 feet high casts a shadow 6 feet long. How tall is the tree? (IMAGE CANNOT COPY)
perform the indicated operation or operations. Simplify the result, if possible. $$\frac{2 y}{y-5}-\left(\frac{2}{y-5}+\frac{y-2}{y-5}\right)$$
Add or subtract as indicated. Simplify the result, if possible. $$\frac{4}{x}+\frac{3}{x-5}$$
Graph: \(y=-\frac{2}{3} x+4 .\) (Section 3.4, Example 3)
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