assignment 3

# assignment 3 - x x x x x x x x x x 56 29 7 5 12 5 8 12 8 5...

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Chapter 2 2.1 46. 12x-6=11x 60 5x+8+3x-x+5=6x-3 -12x -12x 7x+13=6x-3 -6=-1x -6x -6x X=6 1x+13=-3 -13 -13 1x=-16 2.2 8. 9 3 27 3 3 27 3 - = - = - - = - x x x 30. 35 3 105 3 7 * 15 7 3 * 3 7 15 7 3 = = = = x x x 50. Median: \$156 ( 29 ( 29 ( 29 ( 29 ( 29 80 . 157 80 . 157 5 789 789 25 75 318 156 215 = = = = = + + + + = n n x x x Mean: n=\$157.80 2.3 30. 9x+7=5x-3 9x=5x-10 4x=-10 x=-2.5 -7 -7 -5x -5x

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54. ( 29 ( 29 ( 29 1 8 8 8 10 18 5 10 3 18 5 2 5 1 6 3 3 15 3 2 5 1 6 15 3 3 2 5 1 6 = = = - = - - = - - = - - = - - x x
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Unformatted text preview: x x x x x x x x x x 56. ( 29 7 5 12 5 8 12 8 5 8 3 2 4 = + = +-= +-+-=--x x x x x x 2.4 14. 2x+3y=6 20. s c dn s c dn n s c d =--=-= X+3y=3 X=3-3y 24. ( 29 b hB a b h a =-+ = 1 2 1 B 56. 72& 73 72. one 44in long 80. sept. 30 Second 54 in long oct. 42 Nov. 60...
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assignment 3 - x x x x x x x x x x 56 29 7 5 12 5 8 12 8 5...

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