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mdm12Section1_R_OddSolutionsFinal

mdm12Section1_R_OddSolutionsFinal - Q1 Q11-21 Q27 Q3-9...

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Q1 Q3-9 Q11-21 Q23-25 Q27 Q29-31 Chapter 1 Review of Key Concepts, pp. 78–81 Solutions to Odd Number Problems 1. b) 2 + 4 + 8 + 16 = 30 direct ancestors Top
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3. a) b) w = 4 2 x 2 = w 2 = 16 x 2 = 8 2 y 2 = x 2 = 8 y 2 = 4 2 z 2 = y 2 = 4 z 2 =2 Total area of squares in the 4th iteration is 8z 2 = 16 cm 2 . c) Total area of all squares in the diagram is w 2 + 2 x 2 + 4 y 2 + 8 z 2 = 64 cm 2 . 5. Answers may vary. Some examples are: i) Microsoft ® Excel: spreadsheet function ii) Fathom : graphing iii) Microsoft ® Access: sorting 7. i) Corel ® Quattro ® Pro: enter +A:A3 in cell B2 in Sheet B and copy this formula through cell B9. ii) Microsoft ® Excel: enter =Sheet1!A3 in cell B2 in Sheet2 and copy this formula through cell B9. 9. Answers may vary. Top
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11. Answers may vary. 13. Answers may vary. 15. To simulate 50 brainteasers, remove two cards from a deck and use the remaining 50 cards. To simulate treating yourself every Friday for five weeks, draw five cards one at a time with replacement and reshuffling. It will count as a success if the same card appears more than once.
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