mdm12Section4_P_OddSolutionsFinal

mdm12Section4_P_OddSolutionsFinal - Q1-3 Q7 Q5 CHAPTER 4...

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Q1-3 Q5 Q7 CHAPTER 4 Review of Prerequisite Skills, p. 224 Solutions to Odd Number Problems 1. 3. a) 1 + 3 + 6 + 10 + 15 + 21 + 28 = 84 1 + 3 + 6 + 10 + 15 + 21 + 28 + 36 = 120 Therefore, the clerk can make a pyramid that is seven layers tall using 84 of the 100 cans. b) There are 28 cans in the base level. c) The total number of cans in the full pyramid in part a) is 84. d) 1, 3, 6, 10, 15, 21, 28, . .., (1 ) 2 nn + Top
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5. a) 8 ( 2)( 2) = (- 3 ) ( 3 ) ( 2 ) 3 ) ( 3 ) 8(4)(7)(6) (2)(7) 96 yx y z y xy z xy +++ ++ + = = b) 322 32 22 ( 2 )( 2 1 ) (5 2 )(4 2 )(3 1 ) ( 1)( 1) 4(5 1)(4 15 552 216 72 xyz y −++ = +− = = 2 c) 44 ( 4)( 2)( 3) ( 1) ( (5 4)(4 2)(3 1) (3 1)(4) (1 ) (3 ) ( 4 1 ) ( 5
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This note was uploaded on 01/23/2012 for the course MATHS MDM-01 taught by Professor Mr.m during the Spring '10 term at Seneca.

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mdm12Section4_P_OddSolutionsFinal - Q1-3 Q7 Q5 CHAPTER 4...

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