Solutions for EBK USING AND UNDERSTANDING MATHEMATICS
Problem 3QQ:
Which of the following is not a good approximation of a doubting time? a Inflation running at 35%...Problem 5QQ:
Radioactive tritium (hvdrogen-3) has a halt-life of about 12 years, which means that if you start...Problem 6QQ:
Radioactive uramum-235 has a hall-life of about 700 million teats. Suppose a rock is 18 billion...Problem 8QQ:
log10108= a.100,000,000 b. 108 c.8Problem 9QQ:
A rural popular ion decreases at a rate of 20% per decade. If you wish to calculate its exact...Problem 1E:
What is a doubling tune? Suppose a population has a doubling time of 25 years. By what factor will...Problem 3E:
State the approximate doubting time formula and the conditions under which it works well Give an...Problem 6E:
6. State the approximate hall-life formula and the conditions under which it works well. Give an...Problem 7E:
7. Briefly describe exact doubling time and hall-life formulas. Explain all their terms.
Problem 8E:
8. Give an example in which it is important to use the exact doubling time or half-life formula,...Problem 9E:
Our town is growing with a doubling time of 25 years, so its population will triple in 50 years.Problem 10E:
Our town is growing at a rate of 7% per year, so it will double in population about every 10 years.Problem 11E:
A toxic chemical decays with a hall-life of 10 years, so hall of it will be gone 10 years from now...Problem 12E:
The hall-life of plutomum-239 is about 24,000 years, so we can expect some o4 the plutonium produced...Problem 13E:
Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or false...Problem 14E:
Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or false...Problem 17E:
13-24: Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or...Problem 19E:
Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or false...Problem 20E:
Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or false...Problem 21E:
13-24: Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or...Problem 24E:
Logarithms. Refer to the Brief Review on p. 488. Determine whether each statement is true or false...Problem 35E:
31. Rabbits. A community of rabbits begins with an initial population of 100 and grows 7% per month....Problem 37E:
Doubling Time Formula. Use the approximate doubling time formula (rule of 70). Discuss whether the...Problem 44E:
41 -48: Half-Life. Each exercise gives a half-life for an exponentially decaying quantity Answer the...Problem 46E:
41 -48: Half-Life. Each exercise gives a half-life for an exponentially decaying quantity Answer the...Problem 48E:
41 -48: Half-Life. Each exercise gives a half-life for an exponentially decaying quantity Answer the...Problem 50E:
49-52: Half-Life Formula. Use the approximate half-life formula. Discuss whether the formula is...Problem 52E:
49-52: Half-Life Formula. Use the approximate half-life formula. Discuss whether the formula is...Problem 54E:
Exact Formulas. Compare the doubling times found with the approximate and exact doubling time...Problem 56E:
Exact Formulas. Compare the doubling times found with the approximate and exact doubling time...Problem 58E:
58. Nuclear Weapons. Thermonuclear weapons use tritium for their nuclear reactions. Tritium is a...Problem 59E:
Fossil Fuel Emissions. Total emissions of carbon dioxide from the burning of fossil fuels fuse been...Problem 60E:
Yucca Mountain. The U.S. government spent nearly $10 billion planning and developing a nuclear waste...Problem 61E:
Crime Rate. The homicide rate decreases at a rate of 3%. per year in a city that had 800 homicides...Problem 62E:
62. Drug Metabolism. A particular antibiotic is eliminated from the blood at a rate of 15% per hour....Problem 63E:
Atmospheric Pressure. The pressure of Earth's atmosphere at sea level is approximately 1000...Browse All Chapters of This Textbook
Chapter P - Literacy For The Model WorldChapter 1.A - Living In The Middle AgeChapter 1.B - Propositions And Truth ValuesChapter 1.C - Sets And Venn DiagramChapter 1.D - Analyzing ArgumentsChapter 1.E - Critical Thinking In Everyday LifeChapter 2.A - Working With UnitsChapter 2.B - Problem Solving With UnitsChapter 2.C - Problem-solving Guidelines And HintsChapter 3.A - Uses And Abuses Of Percentages
Chapter 3.B - Putting Numbers In PerspectiveChapter 3.C - Dealing With UncertaintyChapter 3.D - Index Numbers: The Cpi And BeyondChapter 3.E - How Numbers Can Deceive: Polygraphs, Mammograms, And MoreChapter 4.A - Taking Control Of Your FinancesChapter 4.B - The Power Of CompoundingChapter 4.C - Savings Plans And InvestmentChapter 4.D - Loan Payments, Credit Cards, And MortgagesChapter 4.E - Income TaxesChapter 4.F - Understanding The Federal BudgetChapter 5.A - Fundamentals Of StatisticsChapter 5.B - Should You Believe A Statistical Study?Chapter 5.C - Statistical Tables And GraphsChapter 5.D - Graphics In The MediaChapter 5.E - Correlation And CausalityChapter 6.A - Characterizing DataChapter 6.B - Measures Of VariationChapter 6.C - The Normal DistributionChapter 6.D - Statistical InferenceChapter 7.A - Fundamentals Of ProbabilityChapter 7.B - Combining ProbabilitiesChapter 7.C - The Law Of Large NumbersChapter 7.D - Assessing RiskChapter 7.E - Counting And ProbabilityChapter 8.A - Growth: Linear Versus ExponentialChapter 8.B - Doubling Time And Half-lifeChapter 8.C - Real Population GrowthChapter 8.D - Logarithmic Scales: Earthquakes, Sounds, And AcidsChapter 9.A - Functions: The Building Blocks Of Mathematical ModelsChapter 9.B - Linear ModelingChapter 9.C - Exponential ModelingChapter 10.A - Fundamentals Of GeometryChapter 10.B - Problem Solving With GeometryChapter 10.C - Fractal GeometryChapter 11.A - Mathematics And MusicChapter 11.B - Perspective And SymmetryChapter 11.C - Proportion And The Golden RatioChapter 12.A - Voting: Does The Majority Always Rule?Chapter 12.B - Theory Of VotingChapter 12.C - Apportionment: The House Of Representatives And BeyondChapter 12.D - Dividing The Political Pie
Book Details
Using and Understanding Mathematics: A Quantitative Reasoning Approach prepares students for the mathematics they will encounter in college courses, their future career, and life in general. Its quantitative reasoning approach helps students to build the
Sample Solutions for this Textbook
We offer sample solutions for EBK USING AND UNDERSTANDING MATHEMATICS homework problems. See examples below:
Given: Example: The spread of AIDS: Mathematics is used to study the probability of contracting...Explanation: For an argument to be logical, the three steps are followed. The first is to figure out...Given: “Mike and Erica couldn’t have had an argument, because they weren’t shouting at each other.”...Chapter 2.A, Problem 1QQSuppose the price of the four-star meal, only $100 per couple decades ago, has since increased 200%...Chapter 4.A, Problem 1QQChapter 5.A, Problem 1QQWe have been given three different methods of finding the mean and we have to find the correct...Chapter 7.A, Problem 1QQ
Given Info: A town’s population increases in one year from 100,000 to 110,000.Population is growing...Explanation: Given: In mathematics, a function tells us a) how one variable depends on another. b)...Explanation: Through two points in a space, only a line can be drawn. A line is formed by connecting...Musical sound is that sound which has controlled pitch and timbre. These sounds are produced by...Explanation: A majority rule winner is guaranteed only in elections with no more than two...
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