Basic College Mathematics, 2e - Delgado Community College

Transcription

Basic College Mathematics, 2eDelgado Community College(Math 090 and 091)Charles P. exico.Singapo,e. Spain.UnitedKingdom'UnitedStates

ctionto onentsandScientificNotationSolutionsto SelectedPracticeExamsAnswersto Odd-NumberedProblemsIndex637638639641S-lA-11-1

Contents1I WholeNumbers 1Introduction 11.1 PlaceValueand Namesfor Numbers 31.2 Additionwith WholeNumbers,and Perimeter 131.3 RoundingNumbers,EstimatingAnswers,and DisplayingInformation 251.4 Subtractionwith WholeNumbers 351.5 Multiplicationwith WholeNumbers,andArea 451.6 Divisionwith WholeNumbers 611.7 Exponents,Orderof Operations,andAverages 73Summary 87Review/Test 89Projects 932 I Fractionsand Mixed Numbers95Introduction 952.1 TheMeaningand Propertiesof Fractions 972.2 PrimeNumbers,Factors,and Reducingto LowestTerms 1092.3 Multiplicationwith Fractions,and the Areaof a Triangle 1172.4 Divisionwith Fractions 1292.5 Addition and Subtractionwith Fractions 1372.6 Mixed-NumberNotation 1492.7 Multiplicationand Divisionwith Mixed Numbers 1572.8 Additionand Subtractionwith Mixed Numbers 1632.9 Combinationsof OperationsandComplexFractions 171Summary 179Review/Test 183Projects 185vii

viiiContents3 I Decimals187Introduction1873.1 Decimal Notation and PlaceValue 1893.2 Addition and Subtraction with Decimals 197'.3.3 Multiplicationwith Decimals 2073.4 Divisionwith Decimals 2153.5 Fractionsand Decimals 2273.6 Square Roots and the Pythagorean Theorem 237Summary249Review/Test 251Projects4I255RatioandProportion257Introduction 2574.1 Ratios 2594.2 Ratesand UnitPricing 2674.3 SolvingEquationsby Division 2734.4 Proportions 2774.5 Applicationsof Proportions 2834.6 SimilarFigures 287Summary 295Review/Test 297Projects 2995 I Percent301Introduction 3015.1 Percents, Decimals,and Fractions 3035.2 BasicPercent Problems 3155.3 General Applicationsof Percent 3255.4 SalesTaxand Commission 3315.5 Percent Increase or Decrease and Discount 3395.6 Interest 347Summary355Review/Test 357Projects 361

Contents6 I DescriptiveStatistics 363Introduction 3636.1 Mean, Median, and Mode 3656.2 Tables and BarCharts 3736.3 Scatter Diagrams and LineGraphs 3816.4 Pie Charts 391Summary401Review/Test 403Projects 4077Ieasurement 409Introduction 4097.1 UnitAnalysisI: Length 4117.2 UnitAnalysisII:Area and Volume 4237.3 Unit AnalysisIII:Weight 4357.4 Converting Between the Two Systemsand Temperature 4417.5 Operations with Time and Mixed Units 449Summary457Review/Test 461Projects 4638IGeometry465Introduction 4658.1 Perimeterand Circumference 4678.2 Area 4758.3 SurfaceArea 4838.4 Volume 491Summary 499Review/Test 501Projects 505ix

,5\ t": . ;j4 f':1; ' A : j i ; ',; '. :,., ;, "":;':' t;: ; : ':.,.i,', ", : ;';,:, ::;,,,"r ",,", . ,, ;-: :; "::.' '; - ", ,,,, ,;,t. ' !;. '"/:, ; .,;.:,, ! 1t(;},:':4: !; :{:t:" }; «'\', :b(.:, ;'j'fi: ":'7;''; " i,.;:!),,,"'.1' 1xContents9IIntroduction to Algebra 507Introduction 5079.1 Positiveand Negative Numbers 5099.2 Addition with Negative Numbers 5199.3 Subtraction with Negative Numbers 5319.4 Multiplicationwith Negative Numbers 5419.5 Divisionwith Negative Numbers 5519.6 SimplifyingAlgebraicExpressions 559Summary565Review[Test 567Projects56910 Solving Equations 571IIntroduction 57110.1 The DistributiveProperty and AlgebraicExpressions 57310.2 The Addition Property of Equality 58510.3 The MultiplicationProperty of Equality 59310.4 LinearEquations in One Variable 60110.5 Applications 60910.6 EvaluatingFormulas 621Summary631Review/Test 633Projects 635Appendix A Resources 637Appendix B One Hundred Addition Facts 638Appendix C One Hundred MultiplicationFacts 639Appendix D Negative Exponents and ScientificNotation 641Solutions to Selected Practice ProblemsAnswers to Odd-Numbered ProblemsIndexx1-1S-lA-1

Basic College Mathematics, 2e Delgado Community College (Math 090 and 091) Charles P. McKeague THOMSON. BROOKS/COLE----. Australia. Canada. Mexico. Singapo,e . Spain. United Kingdom' United States. Custom Contents MA