Solutions for EBK USING AND UNDERSTANDING MATHEMATICS
Problem 5QQ:
5. A right triangle always has
three equal-length sides.
one 90° angle.
two 90° angles.
Problem 7QQ:
The volume of a sphere of radius r is a. \[\pi {r^2}\]. b. \[4\pi {r^2}\]. c. \[\frac{4}{3}\pi...Problem 9QQ:
If you triple the radius of a sphere, the volume of the sphere goes up by a factor of . . .Problem 10QQ:
Suppose you cut a large stone block into four equal-sized pieces. The four pieces combined are not...Problem 1E:
What do we mean by Euclidean geometry?Problem 3E:
What do we mean by dimension? How is dimension related to the number ot coordinates needed to locale...Problem 5E:
What is plane geometry? What does it mean for lines to be perpendicular or parallel in a plane?Problem 6E:
6. What is a polygon? How do we measure the perimeter of a polygon? Describe how we calculate the...Problem 8E:
8. Describe how we calculate the volumes and surface areas of a few simple three-dimensional...Problem 14E:
walked around the circular pond to a point on the opposite side, and Jamie swam at the same speed...Problem 16E:
16. By building a fence across my rectangular backyard, I can create two triangular yards.
Problem 19E:
Angles and Circles. Find the degree measure of the angle that subtends the following parts of a...Problem 20E:
17-22: Angles and Circles. Find the degree measure of the angle that subtends the following parts of...Problem 21E:
17-22: Angles and Circles. Find the degree measure of the angle that subtends the following parts of...Problem 22E:
17-22: Angles and Circles. Find the degree measure of the angle that subtends the following parts of...Problem 33E:
Circle Practice. Find the circumference and area of the following circles. Round answers to the...Problem 35E:
Circle Practice. Find the circumference and area of the following circles. Round answers to the...Problem 39E:
Perimeters and Areas. Use Table 10.2 to find the perimeter and area of the Following figures. A...Problem 43E:
Triangle Geometry. Find the perimeter and area of the following triangles. 43. 44. 45. 46.Problem 45E:
43-46: Triangle Geometry. Find the perimeter and area of the following triangles.
43. 44.
45....Problem 46E:
43-46: Triangle Geometry. Find the perimeter and area of the following triangles.
43. 44.
45....Problem 47E:
Window Space. A picture window has a length of 8 feet and a height of 6 feet, with a semicircular...Problem 48E:
A Running Track. A running track has straight legs of length 100 yards that arc 60 yards apart (sec...Problem 49E:
Building Stairs. Refer to Figure 10.14, showing the region to be covered with plywood under a set of...Problem 50E:
No Calculation Required. The end views of two different barns are shown in Figure 10.22. Without...Problem 51E:
Parking Lot. A parking lot is shaped like a parallelogram and bounded on four sides by streets, as...Problem 55E:
Three-Dimensional Objects. Use the formulas in Table 10.3 to answer the following questions. A...Problem 58E:
58. Water Canal. A water canal has a rectangular cross section 3 meters wide and 2 meters deep. How...Problem 59E:
59. Water Reservoir. The water reservoir for a city is shaped like a rectangular prism 250 meters...Problem 60E:
60. Oil Drums. Which holds more: an oil drum with a radius of 2 feet that is 3 feet high or an oil...Problem 62E:
Architectural Model. Suppose you build an architectural model of a new concert hall using a scale...Problem 63E:
Architectural Model: Suppose you build an architectural model of a new concert hall using a scale...Problem 65E:
Architectural Model: Suppose you build an architectural model of a new office complex using a scale...Problem 67E:
Architectural Model: Suppose you build an architectural model of a new office complex using a scale...Problem 69E:
Quadrupling Your Size. Suppose you magically quadrupled in size—that is, your height, width, and...Problem 70E:
Quadrupling Your Size. Suppose you magically quadrupled in size—that is, your height, width, and...Problem 71E:
Quadrupling Your Size. Suppose you magically quadrupled in size—that is, your height, width, and...Problem 72E:
72-74: Comparing People. Consider a person named Sam, who is 20% taller than you but proportioned in...Problem 73E:
72-74: Comparing People. Consider a person named Sam, who is 20% taller than you but proportioned in...Problem 75E:
Squirrels or People? Squirrels and humans are both mammals that stay warm through metabolism that...Problem 76E:
75-76: Squirrels or People? Squirrels and humans are both mammals that stay warm through metabolism...Problem 79E:
Comparing Balls. Consider a softball with a radius of approximately 2 inches and a bowling ball with...Problem 81E:
Dimension. Examine a closed book. How many dimensions are needed to describe the book? Explain. How...Problem 82E:
Perpendicular and Parallel. Suppose you mark a single point on a line that lies in a fixed plane....Problem 83E:
Perpendicular and Parallel. Suppose you draw two parallel lines in a plane. If a third line is...Problem 84E:
Backyard. Figure 10.25 shows the layout of a backyard that is to be seeded with grass except for the...Problem 85E:
Human Lung. The human lung has approximately 300 million nearly spherical air sacs (alveoli), each...Problem 86E:
86. Automobile Engine Capacity. The size of a car engine is often stated as the total volume of its...Problem 91E:
The Geometry of Ancient Cultures. Research the use of geometry in an ancient culture of your choice....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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