week8 checkpoint 9 - = 13 66 Look at the value of each part...

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Name: Sarah Anderson__________________________________ Date: August 12, 2009__________________________________ Week - Checkpoint: week 8__chapter 9__________________________ Page # Prob. # Work and Solution: Instructor Comments And Grading (please leave blank) 671- 672 16 Convert to a common bottom (14): 6/14, -12/14, 2/14, -7/14, 4/14 Now order them by their tops: -12/14, -7/14, 2/14, 4/14, 6/14 Back to the way they were in the problem: -6/7, -1/2, 1/7, 2/7, 3/7 32 |4| + |-3| = 4 + 3 = 7 44 |-9| - |-4| = 9 - 4 = 5 683- 684 40 = 7 – 9 – 5 + 6 = -2 – 5 + 6 = -7 + 6 = -1 48 = 1/3 – 5/6 – ½ = 2/6 – 5/6 – 3/6 = -3/6 – 3/6 = -6/6 = -1 58 Do the inside: |-13| Do the absolute value:
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Unformatted text preview: = 13 66 Look at the value of each part of the equation: left side: |-8| + |3| = 8 + 3 = 11 right side: |-8 + 3| = |-5| = 5 FALSE 72 + 625 - 68.74 - 29.95 - 57.65 = 556.26 - 29.95 - 57.65 = 526.31 – 57.65 = increase of $468.66 689 44-1/2 - (-5/8) Common denominator:-4/8 + 5/8 = 1/8 48-3.4-(-7.6) Two minuses become a plus: = -3.4 + 7.6 = 4.2 54 range = high - low = 119 - (-54) = 119 + 54 = 173 degrees 700-701 70 = 18 – 8 = 10 80 = -27 – (16) = -43 82 = 36 – 16 = 20 88 = -81 – (36) = -117 708-709 32 = -45/-3 = 45/3 = 15 58 = -8*-4 / (8+4) = 32/12 = 16/6 = 8/3 60 = (4+3+1)/(2-(-1)) = (7+1)/3 = 8/3...
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week8 checkpoint 9 - = 13 66 Look at the value of each part...

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