Prealgebra plus MyLab Math/MyLab Statistics -- Access Card Package (6th Edition) (Tobey Developmental Math Paperback Series)

6th Edition

ISBN: 9780134266336

Author: Jamie Blair, John Tobey Jr., Jeffrey Slater, Jenny Crawford

Publisher: PEARSON

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Unitary Method

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Textbook Question

Chapter 5.6, Problem 14E

Construction Estimator Anna must estimate the cost of the construction of a single-match

regulation tennis court that will be built on a rectangular field that is 95 feet by 44 feet. In

order to guarantee that the dimensions of the field are regulation, Anna plans to put a

concrete area 8 1 2 feet wide around the entire perimeter of the tennis court. The tennis court

and the concrete area will take up the entire 95-foot by 44-foot field.

What are the dimensions of the tennis court?

How much should Anna estimate the cost of putting a white painted strip around the edge of

the tennis field if the paint costs $ 1 1 2 per linear foot?

Chapter 5.6, Problem 14E, Construction Estimator Anna must estimate the cost of the construction of a single-match regulation

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Chapter 5.6, Problem 13E

Chapter 5.6, Problem 15E

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Problem 11 (a) A tank is discharging water through an orifice at a depth of T meter below the surface of the water whose area is A m². The following are the values of a for the corresponding values of A: A 1.257 1.390 x 1.50 1.65 1.520 1.650 1.809 1.962 2.123 2.295 2.462|2.650 1.80 1.95 2.10 2.25 2.40 2.55 2.70 2.85 Using the formula -3.0 (0.018)T = dx. calculate T, the time in seconds for the level of the water to drop from 3.0 m to 1.5 m above the orifice. (b) The velocity of a train which starts from rest is given by the fol- lowing table, the time being reckoned in minutes from the start and the speed in km/hour: | † (minutes) |2|4 6 8 10 12 14 16 18 20 v (km/hr) 16 28.8 40 46.4 51.2 32.0 17.6 8 3.2 0 Estimate approximately the total distance ran in 20 minutes.

- Let n = 7, let p = 23 and let S be the set of least positive residues mod p of the first (p − 1)/2 multiple of n, i.e. n mod p, 2n mod p, ..., p-1 2 -n mod p. Let T be the subset of S consisting of those residues which exceed p/2. Find the set T, and hence compute the Legendre symbol (7|23). 23 32 how come? The first 11 multiples of 7 reduced mod 23 are 7, 14, 21, 5, 12, 19, 3, 10, 17, 1, 8. The set T is the subset of these residues exceeding So T = {12, 14, 17, 19, 21}. By Gauss' lemma (Apostol Theorem 9.6), (7|23) = (−1)|T| = (−1)5 = −1.

Let n = 7, let p = 23 and let S be the set of least positive residues mod p of the first (p-1)/2 multiple of n, i.e. n mod p, 2n mod p, ..., 2 p-1 -n mod p. Let T be the subset of S consisting of those residues which exceed p/2. Find the set T, and hence compute the Legendre symbol (7|23). The first 11 multiples of 7 reduced mod 23 are 7, 14, 21, 5, 12, 19, 3, 10, 17, 1, 8. 23 The set T is the subset of these residues exceeding 2° So T = {12, 14, 17, 19, 21}. By Gauss' lemma (Apostol Theorem 9.6), (7|23) = (−1)|T| = (−1)5 = −1. how come?

Chapter 5 Solutions

Prealgebra plus MyLab Math/MyLab Statistics -- Access Card Package (6th Edition) (Tobey Developmental Math Paperback Series)

Ch. 5.1 - Explain how to multiply fractions.Ch. 5.1 - Prob. 2E Ch. 5.1 - To split 14 into 6 equal parts, do we multiply or...Ch. 5.1 - Prob. 4E Ch. 5.1 - Prob. 5E Ch. 5.1 - Prob. 6E Ch. 5.1 - Fill in each box to complete each problem.Ch. 5.1 - Fill in each box to complete each problem.Ch. 5.1 - Fill in each box to complete each problem.Ch. 5.1 - Prob. 10E

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Solution Summary: The author explains that Anna plans to put a concrete area 812feet around the perimeter of the tennis court.

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