Solve. Give exact answers and two-decimal-place
Chapter 7, Problem 59(choose chapter or problem)
Solve. Give exact answers and two-decimal-place approximations where appropriate. For Exercises 59 and 60, the solutions have been started for you. See Example 7.A wire is needed to supporta vertical pole 15 feet tall.The cable will be anchoredto a stake 8 feet from thebase of the pole. How muchcable is needed?Start the solution:1. UNDERSTAND the problem. Reread it as many timesas needed. Notice that a right triangle is formed with legsof length 8 ft and 15 ft.Since we are looking for how much cable is needed, letx = amount of cable needed2. TRANSLATE into an equation. We use the Pythagoreantheorem. (Fill in the blanks below.)a2 + b2 = c 2T T 2 + 2 = x2Finish with:3. SOLVE and 4. INTERPRET
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