Pearson eText for Mathematics for Elementary Teachers with Activities -- Instant Access (Pearson+)

5th Edition

ISBN: 9780137442812

Author: Sybilla Beckmann

Publisher: PEARSON+

See similar textbooks

Concept explainers

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

Videos

Textbook Question

Chapter 14.5, Problem 5P

Kelsey wants to make a scale drawing of herself standing straight and with her arms down. Kelsey is 4 feet 4 inches tall. Her leg is 24 inches long. If Kelsey wants to make the drawing of herself 10 inches tall, then approximately how long should she draw her leg? Solve this problem in two ways: with the scale factor method and with the internal factor method. In each case: Expiain clearly the idea and the reasoning of that method. Link the method to a proportion.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 14.5, Problem 4P

Chapter 14.5, Problem 6P

Students have asked these similar questions

RK 119 43 Previous Problem University at Buffalo Problem List Next Problem Match the surfaces (a) - (f) below with the contour diagrams (1) - (6) below those. (a) Surface (a) matches contour 5 V V (b) Surface (b) matches contour 2 V (c) Surface (c) matches contour 1 (d) Surface (d) matches contour 6 V (e) Surface (e) matches contour 4 V (f) Surface (f) matches contour 3 V (4) (1) -0.25 (a) (b) (c) (d) (e) y y 2.5 0.5 1.5 1.5 1.5 y .3 0.25 OC 0.25 -0.25 (2) X 1.5 ZI (f) y 0.01 0.01 (3) ☑ X 0.01 0.01 0.2 0.2 (5) 0 x 0.5 (6) 0.25 X X 0.25 0.5

43 University at Buffalo Previous Problem Problem List Next Problem At least one of the answers above is NOT correct. The figure shows a hill with two paths, A and B. (a) What is the elevation change along each path? 400 9400 ✓ feet (b) Which path ascends more rapidly? A v (c) On which path will you probably have a better view of the surrounding countryside (assuming that trees do not block your view)? A V (d) Along which path is there more likely to be a stream? A V Note: You can earn 50% partial credit for 2-3 correct answers. Preview My Answers Submit Answers Q hulu )))) 9800' A 10000 (Click on graph to enlarge) L ^ B 0 Logged in as Luella Ya 4)

28. (a) Under what conditions do we say that two random variables X and Y are independent? (b) Demonstrate that if X and Y are independent, then it follows that E(XY) = E(X)E(Y); (e) Show by a counter example that the converse of (ii) is not necessarily true.

Chapter 14 Solutions

Pearson eText for Mathematics for Elementary Teachers with Activities -- Instant Access (Pearson+)

Ch. 14.1 - a. On graph paper, draw xand y-axes and plot the...Ch. 14.1 - a. On graph paper, draw xand y-axes and plot the...Ch. 14.1 - a. On graph paper, draw xand y-axes and plot the...Ch. 14.1 - Prob. 14P Ch. 14.1 - On a piece of paper, draw a point Q and a separate...Ch. 14.1 - On a piece of paper, draw a point P and a separate...Ch. 14.1 - For each of the following transformations,...Ch. 14.1 - For each of the following transformations,...Ch. 14.1 - Describe what a reflection across the diagonal...Ch. 14.1 - Describe what a 90° counterclockwise rotation...Ch. 14.1 - Describe what a reflection across the diagonal...Ch. 14.1 - investigate the following questions, either with...Ch. 14.1 - Investigate the following questions, either with...Ch. 14.1 - Investigate the questions that follow, either with...Ch. 14.2 - Find examples of symmetrical designs from a...Ch. 14.2 - Determine all the symmetries of Design 1 and...Ch. 14.2 - Prob. 3P Ch. 14.2 - Prob. 4P Ch. 14.2 - Prob. 5P Ch. 14.2 - Determthe at! the symmetries of Destgn 9 and...Ch. 14.2 - Prob. 7P Ch. 14.2 - a. Determine all the symmetries of a square....Ch. 14.2 - Compare translation and translation symmetry ....Ch. 14.2 - Prob. 10P Ch. 14.2 - Comapare (mathematical) reflection an reflection...Ch. 14.2 - Prob. 12P Ch. 14.2 - Prob. 13P Ch. 14.2 - Prob. 14P Ch. 14.2 - Prob. 15P Ch. 14.2 - Prob. 16P Ch. 14.3 - Suppose that Ada, Bada, and Cada are three cities...Ch. 14.3 - Write a paragraph in which you discuss. In your...Ch. 14.3 - Is there a side side side side congruence...Ch. 14.3 - Is there an angle-angle-angle congruence criterion...Ch. 14.3 - Give your own example to explain why there is not...Ch. 14.3 - Prob. 7P Ch. 14.3 - See Flour. 14.46 . We are given that sides DG and...Ch. 14.3 - See Figure 14.47 . Given that QR and TR are the...Ch. 14.3 - See the quadrilateral in Figure 14.48 . Given that...Ch. 14.3 - This problem continues the Investigation of CIass...Ch. 14.3 - Prob. 12P Ch. 14.3 - Ann and Kelly are standing on a liver bank,...Ch. 14.3 - Prob. 14P Ch. 14.3 - Here is an old-fashioned way to make a rectangular...Ch. 14.4 - a. Draw a ray with endpoint A. Use a straighedge...Ch. 14.4 - a. On a blank piece of paper, draw a ray with...Ch. 14.4 - a. Draw a rhombus that is naturally associated...Ch. 14.4 - On a piece of paper, draw a point P and a separate...Ch. 14.4 - On a piece of paper, draw a point Q and a separate...Ch. 14.4 - On a piece of paper, draw a line n and a point R...Ch. 14.4 - Use a straightedge and compass (but not a...Ch. 14.4 - Prob. 8P Ch. 14.4 - Prob. 9P Ch. 14.4 - Describe how to use a compass to construct the...Ch. 14.4 - a. Use a compass to draw a pattern of circles like...Ch. 14.4 - Prob. 12P Ch. 14.4 - Prob. 13P Ch. 14.4 - Prob. 14P Ch. 14.5 - Using your own examples, discuss the mathematical...Ch. 14.5 - Frank’s dog, Fido, Is 16 Inches tall and 30 inches...Ch. 14.5 - Tyler’s Flag Problem: Tyler has designed his own...Ch. 14.5 - Jasmine’s Flag Problem: Jasmine has designed her...Ch. 14.5 - Kelsey wants to make a scale drawing of herself...Ch. 14.5 - A painting that is 4 feet 3 inches by 6 feet 4...Ch. 14.5 - Write two problems about similar shapes or...Ch. 14.5 - Prob. 8P Ch. 14.5 - An art museum owns a painting that it would like...Ch. 14.5 - Cameras that use film produce a negative, which Is...Ch. 14.5 - If the map in Flgure 14.65 has a scale such that 1...Ch. 14.5 - Sue has a rectangular garden. If she makes her...Ch. 14.6 - a. If two shapes are congruent, are they also...Ch. 14.6 - Is there an angIe-angle-angle-angle similarity...Ch. 14.6 - Prob. 3P Ch. 14.6 - After applying a dilation centered at O, the...Ch. 14.6 - Ms. Winstead’s class went outside on a sunny day...Ch. 14.6 - A Thumb Sighting Problem: Suppose you are looking...Ch. 14.6 - Explain and draw a picture to show how you could...Ch. 14.6 - Suppose you have a TV whose screen is 36 inches...Ch. 14.6 - Prob. 9P Ch. 14.6 - A city has a large cone-shaped Christmas tree that...Ch. 14.6 - Prob. 11P Ch. 14.6 - Prob. 12P Ch. 14.6 - Prob. 13P Ch. 14.6 - Prob. 14P Ch. 14.6 - Prob. 15P Ch. 14.7 - In triangle ADE shown In Flguro 14.92 , the point...Ch. 14.7 - A scale model is constructed for a domed baseball...Ch. 14.7 - Og, a giant mentioned in the Bible, might have...Ch. 14.7 - An artist plans to make a Iarge sculpture of a...Ch. 14.7 - According to one description, King Kong was 19...Ch. 14.7 - If you know the volume of an object in cubic...Ch. 14.7 - Suppose that a gasoline-powered engine has a gas...Ch. 14.7 - A cup has a circular opening and a circular base....

Additional Math Textbook Solutions

Find more solutions based on key concepts

For Problems 23-28, write in simpler form, as in Example 4. logbFG

Finite Mathematics for Business, Economics, Life Sciences and Social Sciences

1. How much money is Joe earning when he’s 30?

Pathways To Math Literacy (looseleaf)

Empirical versus Theoretical A Monopoly player claims that the probability of getting a 4 when rolling a six-si...

Introductory Statistics

True or False The quotient of two polynomial expressions is a rational expression, (p. A35)

Precalculus

Is there a relationship between wine consumption and deaths from heart disease? The table gives data from 19 de...

College Algebra Essentials (5th Edition)

Teacher Salaries The following data from several years ago represent salaries (in dollars) from a school distri...

Elementary Statistics: A Step By Step Approach

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.