Lessons1-11

Lessons1-11 - 18 x = 5 8 x = 0 30 x =-1 7 x =-1 2 96 The...

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MA 220 F11 Homework Even Answers Section 2.1 56. - 3 = y 60. x = 10 62. No solution 84. 312 , 314 86. The repair work took 2 hours. 92. 11 meters, 21 meters Section 2.3 62. 20 minutes 80. 4 feet 82. 8 inches, 24 inches Section 3.6 42. 10 , - 1 2 , - 7 t + 20 , 24 - 14 t 44. 0 , 0 , - 25 , 16 t 2 - 8 t 50. 1 6 , - 1 9 , 8 , x - 3 x - 8 86. A ( x ) = (32 - 2 x ) 2 Section 5.2 70. x 2 + 2 x 78. - 9 x 3 - 7 x 2 + 19 x 80. - 5 ν - 1 Section 5.3 22. 3 x 2 - 11 x - 4 24. 12 x 2 + 49 x + 49 26. - 12 x 3 + 54 x 2 - 4 x + 18 100. V ( n ) = 8 n 3 - 8 n ; 480 cubic inches; A ( n ) = 4 n 2 - 4 102. A = 3 x 2 - 2 x + 6 104. A

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Unformatted text preview: 18. x = 5 8 , x = 0 30. x =-1 7 , x =-1 2 96. The numbers are 11 and 12. 98. The width of the frame is 1 centimeter. 100. The base of the triangle is 14 inches and the height is 10 inches. Section 6.6 24.-4 5 = u 32. x = 4 5 Section 8.1 10. x = 3 4 , x = 1 2 18. u =-4 , u =-1 Section 8.5 16. 24 inches, 16 inches 2...
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