Pre-Algebra Lesson 6-7

Pre-Algebra Lesson 6-7 - 6-7 Solving Equations and...

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Unformatted text preview: 6-7 Solving Equations and InequalitiesObjective: Solve equations and inequalities containing rational numbers.5-Minute QuizFind the mean, median, and mode for each set of data. When necessary, round to the nearest tenth.1.52, 35, 63, 44, 23, 44, 52, 90, 44, 512.$17,500; $25,900; $87,500; $34,200; $19,5003.6, 7, 3, 3, 3, 6, 7, 4, 9, 1, 6, 6, 44.1.5, 2.5, 1.9, 2.7, 1.7, 3.1, 6.0, 5.45-Minute QuizAnswers:1.Mean, 49.8; median, 47.5; mode, 442.Mean, $36,920; median, $25,900; no mode3.Mean, 5; median, 6; mode, 64.Mean, 3.1; median, 2.6; no mode6-7 Solving Equations and InequalitiesTo solve an equation or inequality that involves division, multiply each side by the same number to get the variable by itself.6-7 Solving Equations and InequalitiesExample 1Solve z/10= 1.56-7 Solving Equations and InequalitiesExample 1Solve z/10= 1.5z/10= 1.56-7 Solving Equations and InequalitiesExample 1Solve z/10= 1.5z/10= 1.510 * z/10= 1.5 * 10Multiply both sides by 10.6-7 Solving Equations and InequalitiesExample 1Solve z/10= 1.5z/10= 1.510 * z/10= 1.5 * 10z = 15Multiply both sides by 10.6-7 Solving Equations and...
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This note was uploaded on 12/01/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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Pre-Algebra Lesson 6-7 - 6-7 Solving Equations and...

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