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2 nd 9 weeks exam review

2 nd 9 weeks exam review. Disclaimer:. Simply copying down the answers will NOT guarantee you will pass the final exam! You must go home and repeatedly study the practice problems and process In addition, study notes, textbooks, power points, class activities, etc. Disclaimer #2:.

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2 nd 9 weeks exam review

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  1. 2nd 9 weeks exam review

  2. Disclaimer: • Simply copying down the answers will NOT guarantee you will pass the final exam! • You must go home and repeatedly study the practice problems and process • In addition, study notes, textbooks, power points, class activities, etc.

  3. Disclaimer #2: • Although you may be exempting the final, you are still required to know this material for Milestones so please follow along and ask questions when assistance is needed.

  4. Ch. 4

  5. +9 +9 +5 +5 n = -5 y = 1 (5) (5) d = -35

  6. (4) (4) +16.7 +16.7 48 = w w = 24.97 (7.4) (7.4) e = 51.06

  7. -4 1 -4 1 5 1 5 1 multiply by the reciprocal 5 2 -12 4 ÷ 4 ÷ 4 1 2 -3 2 1 2 a = 2 S = -3

  8. 2 2 2 2 3 5 3 5 + 5 12 5 12 + - - -7 10 6 10 26 12 2 2 5 12 13 6 + - -1 10 d = 21 12 9 12 d = 1 3 4 1

  9. Ch. 5

  10. +7+7 -3 -3 -6-6 -3y = 9 z 9 u 5 = 3 = -2 -3y = 9 -3 -3 u = -10 z = 27 y = -3

  11. GCF = 20 1 4 (20) 2 5 1 6 (6) 1 3 = (20) - (20) 3 X + (6) 2 = (6) X = 8 5x 60 - = 2 x 12 + + 60 + 60 -12 -12 5x = 68 x = -10 5x = 68 5 5 x = 13.6

  12. 7k – 14 = 21 -5m + 10 = -5 +14+ 14 -10- 10 7k = 35 -5m = -15 7k = 35 7 7 -5m = -15 -5 -5 k = 5 m = 3

  13. -1.6t -9.6 8s 6 1.4 – 1.6t – 9.6 = 4.6 6 = 8s – 6 - 20 6 = 8s – 26 -1.6t – 8.2 = 4.6 +26+ 26 +8.2+ 8.2 32 = 8s 8 8 -1.6t = 12.8 -1.6t = 12.8 -1.6 -1.6 4 = s t = -8

  14. ch.5 Inequalities

  15. ÷ neg= flip -64-64 -16 -16 -41-41 14> b g > -14 a < 1.5 b < 14 (-6) X neg= flip (-6) (5.3) (5.3) t > 42 -17-17 r < 31.8 -20 < t t > -20

  16. -8-8 -2a – 16 – 15 < 9 -7d > 21 -7 -7 -2a -31 < 9 d > -3 +31 +31 -2a < 40 -2 -2 a > -20 4g – 12 + 1 < 5 4g – 11 < 5 +11+11 -2/3 p – 8 > 4 4g < 16 +8+8 4 4 -2/3 p > 12 (-3/2) (-3/2) g < 4 p < -18

  17. Ch. 6

  18. $603.75 35 hrs $17.25 1 hr = 1,800 cal 24 oz 75 cal 1 oz = Can’t have a partial envelope 228 env. 60 mins 3.8 1 min 3 1 min = =

  19. 96 96 90 90 320 240 Proportional Proportional Not Proportional

  20. Multiply or Divide the top and bottom of the ratio by ANY # There are multiple correct answers for this section. Possible ans below. 70 90 22 24 70 75 = = =

  21. 77.7 = 3s 255 = 5h 35.7 = 3d 147 = 7x 77.73s 3 3 35.73d 3 3 2555h 5 5 1477x 7 7 = = = = 11.9 = x 25.9 = s 51 = h 21 = x 1394 = 17f 139417f 17 17 = 82 = f

  22. $5.30 11.1 Pesos =---X------ 42.7 Pesos = 226.31 = 11.1x 226.3111.1x 11.1 11.1 = $20.39 = x $3 1 Peso $121.10 x = 121.10 = 3x 121.103x 3 3 = 40.4 Pesos = x

  23. 3.3 in 42.9 x 32.5 = 2.5 = x 2 $1.80 x $28.80 = 57.6 = 1.80x 57.6 1.80x 1.80 1.80 = 32 = x

  24. Ch. 8

  25. 30 15 16 y 6 5 X 13 30 15 34 x y 5 14.4 12 = = = = 240 = 30y 5x = 78 510 = 30x 72 = 12y 24030y 30 = 30 51030x 30 = 30 5x78 5 = 5 7212y 12 12 8 = y 15.6 = x 17 = x 6 = y

  26. Big Triangle Little Triangle 15 x 10 6 = 90 = 10x 9010x 10 10 = 9 = x

  27. 18 x 12 4 = 72 = 12x 6 = x 18ft x 4ft 12ft

  28. x 1.8 20 2.4 = x 2.4x = 36 x = 15 1.8 2.4 20

  29. x 6 28 8 = 168 = 8x 28ft 21 = x x 6 8ft

  30. model Actual model Actual 2.7 32.4 15.5 62 1 12 1 4

  31. model Actual model Actual 128.1 6.1 25.5 1.5 1 21 1 17

  32. 1 in 40 km =---6 in--- x = 240 = x ¼ in 1 ft =---12 in--- x = 48 = x 1 in 64 in =---x--- 540 in = 8.44 = x 45 (x 12) = 540 in

  33. Best Wishes on the final exam

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