EBK BASIC TECHNICAL MATHEMATICS
EBK BASIC TECHNICAL MATHEMATICS
11th Edition
ISBN: 9780134508290
Author: Evans
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Chapter 2.2, Problem 42E
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Chapter 2.2, Problem 41E
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- 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?
Shading a Venn diagram with 3 sets: Unions, intersections, and... The Venn diagram shows sets A, B, C, and the universal set U. Shade (CUA)' n B on the Venn diagram. U Explanation Check A- B Q Search 田

Chapter 2 Solutions

EBK BASIC TECHNICAL MATHEMATICS

Ch. 2.1 - What is the measure of the complement of in Fig....Ch. 2.1 - Prob. 2PECh. 2.1 - In Exercises 1–4, answer the given questions about...Ch. 2.1 - Prob. 2ECh. 2.1 - Prob. 3ECh. 2.1 - Prob. 4ECh. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...
Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 25–30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 41-46, solve the given problems 41. A...Ch. 2.1 - In Exercises 41–16, solve the given...Ch. 2.1 - In Exercises 41-46, solve the given problems 43. A...Ch. 2.1 - Prob. 44ECh. 2.1 - Prob. 45ECh. 2.1 - Prob. 46ECh. 2.1 - Prob. 47ECh. 2.1 - Prob. 48ECh. 2.1 - Prob. 49ECh. 2.1 - Prob. 50ECh. 2.2 - Prob. 1PECh. 2.2 - Prob. 2PECh. 2.2 - Prob. 3PECh. 2.2 - Prob. 1ECh. 2.2 - Prob. 2ECh. 2.2 - Prob. 3ECh. 2.2 - Prob. 4ECh. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 27–30, use the right triangle in Fig....Ch. 2.2 - In Exercises 27–30, use the right triangle in Fig....Ch. 2.2 - In Exercises 27–30, use the right triangle in Fig....Ch. 2.2 - Prob. 30ECh. 2.2 - In Exercises 31–58, solve the given problems. 31....Ch. 2.2 - In Exercises 31–58, solve the given problems. 32....Ch. 2.2 - In Exercises 31–58, solve the given problems. 33....Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - In Exercises 31–58, solve the given problems. 35....Ch. 2.2 - In Exercises 31–58, solve the given problems. 36....Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - Prob. 38ECh. 2.2 - Prob. 39ECh. 2.2 - Prob. 40ECh. 2.2 - Prob. 41ECh. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - Prob. 45ECh. 2.2 - Prob. 46ECh. 2.2 - Prob. 47ECh. 2.2 - Prob. 48ECh. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - Prob. 50ECh. 2.2 - In Exercises 31–58, solve the given problems. 51....Ch. 2.2 - Prob. 52ECh. 2.2 - Prob. 53ECh. 2.2 - Prob. 54ECh. 2.2 - Prob. 55ECh. 2.2 - Prob. 56ECh. 2.2 - Prob. 57ECh. 2.2 - Prob. 58ECh. 2.3 - Prob. 1PECh. 2.3 - Prob. 2PECh. 2.3 - Prob. 3PECh. 2.3 - Prob. 1ECh. 2.3 - Prob. 2ECh. 2.3 - Prob. 3ECh. 2.3 - Prob. 4ECh. 2.3 - Prob. 5ECh. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - Prob. 21ECh. 2.3 - Prob. 22ECh. 2.3 - Prob. 23ECh. 2.3 - In Exercises 21–24, set up a formula for the...Ch. 2.3 - In Exercises 25–46, solve the given...Ch. 2.3 - What conclusion can you make about the two...Ch. 2.3 - Find the area of a square whose diagonal is 24.0...Ch. 2.3 - Noting the quadrilateral in Fig. 2.67, determine...Ch. 2.3 - The sum S of the measures of the interior angles...Ch. 2.3 - Express the area A of the large rectangle in Fig....Ch. 2.3 - Express the area of the square in Fig. 2.69 in...Ch. 2.3 - Part of an electric circuit is wired in the...Ch. 2.3 - A walkway 3.0 m wide is constructed along the...Ch. 2.3 - An architect designs a rectangular window such...Ch. 2.3 - Find the area of the cross section of concrete...Ch. 2.3 - A beam support in a building is in the shape of a...Ch. 2.3 - Each of two walls (with rectangular windows) of an...Ch. 2.3 - Prob. 40ECh. 2.3 - Prob. 41ECh. 2.3 - Prob. 42ECh. 2.3 - Prob. 43ECh. 2.3 - Prob. 44ECh. 2.3 - Prob. 45ECh. 2.3 - Prob. 46ECh. 2.4 - Prob. 1PECh. 2.4 - Prob. 2PECh. 2.4 - Prob. 3PECh. 2.4 - In Exercises 1-4, answer the given questions about...Ch. 2.4 - Prob. 2ECh. 2.4 - Prob. 3ECh. 2.4 - Prob. 4ECh. 2.4 - Prob. 5ECh. 2.4 - In Exercises 5-8, refer to the circle with center...Ch. 2.4 - In Exercises 5-8, refer to the circle with center...Ch. 2.4 - In Exercises 5-8, refer to the circle with center...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 17 and 18, find the area of the...Ch. 2.4 - In Exercises 17 and 18, find the area of the...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 31–34, find a formula for the...Ch. 2.4 - In Exercises 31–34, find a formula for the...Ch. 2.4 - Prob. 33ECh. 2.4 - Prob. 34ECh. 2.4 - Prob. 35ECh. 2.4 - Prob. 36ECh. 2.4 - Prob. 37ECh. 2.4 - Prob. 38ECh. 2.4 - Prob. 39ECh. 2.4 - Prob. 40ECh. 2.4 - Prob. 41ECh. 2.4 - Prob. 42ECh. 2.4 - Prob. 43ECh. 2.4 - Prob. 44ECh. 2.4 - Prob. 45ECh. 2.4 - Prob. 46ECh. 2.4 - Prob. 47ECh. 2.4 - Prob. 48ECh. 2.4 - Prob. 49ECh. 2.4 - Prob. 50ECh. 2.4 - Prob. 51ECh. 2.4 - Prob. 52ECh. 2.4 - In Exercises 35–58, solve the given...Ch. 2.4 - Prob. 54ECh. 2.4 - Prob. 55ECh. 2.4 - Prob. 56ECh. 2.4 - Prob. 57ECh. 2.4 - Prob. 58ECh. 2.5 - Prob. 1PECh. 2.5 - Prob. 1ECh. 2.5 - Prob. 2ECh. 2.5 - Prob. 3ECh. 2.5 - Prob. 4ECh. 2.5 - Prob. 5ECh. 2.5 - Prob. 6ECh. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - Prob. 11ECh. 2.5 - Prob. 12ECh. 2.5 - Prob. 13ECh. 2.5 - Prob. 14ECh. 2.5 - Prob. 15ECh. 2.5 - Prob. 16ECh. 2.5 - Prob. 17ECh. 2.5 - Prob. 18ECh. 2.5 - Prob. 19ECh. 2.5 - Prob. 20ECh. 2.5 - Prob. 21ECh. 2.5 - In Exercises 19–22, calculate the area of the...Ch. 2.6 - Prob. 1PECh. 2.6 - Prob. 2PECh. 2.6 - Prob. 1ECh. 2.6 - Prob. 2ECh. 2.6 - Prob. 3ECh. 2.6 - Prob. 4ECh. 2.6 - Prob. 5ECh. 2.6 - Prob. 6ECh. 2.6 - Prob. 7ECh. 2.6 - Prob. 8ECh. 2.6 - In Exercises 5–22, find the volume or area of each...Ch. 2.6 - Prob. 10ECh. 2.6 - Prob. 11ECh. 2.6 - In Exercises 5–22, find the volume or area of each...Ch. 2.6 - Prob. 13ECh. 2.6 - Prob. 14ECh. 2.6 - Prob. 15ECh. 2.6 - Prob. 16ECh. 2.6 - Prob. 17ECh. 2.6 - Prob. 18ECh. 2.6 - Prob. 19ECh. 2.6 - Prob. 20ECh. 2.6 - Prob. 21ECh. 2.6 - Prob. 22ECh. 2.6 - Prob. 23ECh. 2.6 - Prob. 24ECh. 2.6 - Prob. 25ECh. 2.6 - Prob. 26ECh. 2.6 - Prob. 27ECh. 2.6 - Prob. 28ECh. 2.6 - Prob. 29ECh. 2.6 - Prob. 30ECh. 2.6 - Prob. 31ECh. 2.6 - Prob. 32ECh. 2.6 - Prob. 33ECh. 2.6 - Prob. 34ECh. 2.6 - Prob. 35ECh. 2.6 - In Exercises 23–46, solve the given problems. 36....Ch. 2.6 - Prob. 37ECh. 2.6 - Prob. 38ECh. 2.6 - Prob. 39ECh. 2.6 - Prob. 40ECh. 2.6 - Prob. 41ECh. 2.6 - Prob. 42ECh. 2.6 - Prob. 43ECh. 2.6 - In Exercises 23–46, solve the given problems. 44....Ch. 2.6 - In Exercises 23–46, solve the given problems. 45....Ch. 2.6 - Prob. 46ECh. 2 - Prob. 1RECh. 2 - Prob. 2RECh. 2 - Prob. 3RECh. 2 - Prob. 4RECh. 2 - Prob. 5RECh. 2 - Prob. 6RECh. 2 - Prob. 7RECh. 2 - Prob. 8RECh. 2 - Prob. 9RECh. 2 - Prob. 10RECh. 2 - Prob. 11RECh. 2 - Prob. 12RECh. 2 - Prob. 13RECh. 2 - Prob. 14RECh. 2 - Prob. 15RECh. 2 - Prob. 16RECh. 2 - Prob. 17RECh. 2 - Prob. 18RECh. 2 - Prob. 19RECh. 2 - Prob. 20RECh. 2 - Prob. 21RECh. 2 - Prob. 22RECh. 2 - In Exercises 19–26, find the perimeter or area of...Ch. 2 - Prob. 24RECh. 2 - Prob. 25RECh. 2 - Prob. 26RECh. 2 - Prob. 27RECh. 2 - Prob. 28RECh. 2 - Prob. 29RECh. 2 - In Exercises 27–32, find the volume of the...Ch. 2 - Prob. 31RECh. 2 - Prob. 32RECh. 2 - Prob. 33RECh. 2 - Prob. 34RECh. 2 - Prob. 35RECh. 2 - Prob. 36RECh. 2 - Prob. 37RECh. 2 - Prob. 38RECh. 2 - Prob. 39RECh. 2 - Prob. 40RECh. 2 - Prob. 41RECh. 2 - Prob. 42RECh. 2 - Prob. 43RECh. 2 - Prob. 44RECh. 2 - Prob. 45RECh. 2 - Prob. 46RECh. 2 - Prob. 47RECh. 2 - Prob. 48RECh. 2 - Prob. 49RECh. 2 - Prob. 50RECh. 2 - If the dimensions of a plane geometric figure are...Ch. 2 - Prob. 52RECh. 2 - Prob. 53RECh. 2 - Prob. 54RECh. 2 - Prob. 55RECh. 2 - Prob. 56RECh. 2 - Prob. 57RECh. 2 - Prob. 58RECh. 2 - Prob. 59RECh. 2 - Prob. 60RECh. 2 - Prob. 61RECh. 2 - Prob. 62RECh. 2 - Prob. 63RECh. 2 - Prob. 64RECh. 2 - Prob. 65RECh. 2 - Prob. 66RECh. 2 - Prob. 67RECh. 2 - Prob. 68RECh. 2 - In Exercises 55–84, solve the given problems. 69....Ch. 2 - Prob. 70RECh. 2 - Prob. 71RECh. 2 - Prob. 72RECh. 2 - Prob. 73RECh. 2 - Prob. 74RECh. 2 - Prob. 75RECh. 2 - Prob. 76RECh. 2 - Prob. 77RECh. 2 - Prob. 78RECh. 2 - Prob. 79RECh. 2 - Prob. 80RECh. 2 - Prob. 81RECh. 2 - Prob. 82RECh. 2 - Prob. 83RECh. 2 - Prob. 84RECh. 2 - Prob. 85RECh. 2 - Prob. 1PTCh. 2 - Prob. 2PTCh. 2 - Prob. 3PTCh. 2 - Prob. 4PTCh. 2 - Prob. 5PTCh. 2 - Prob. 6PTCh. 2 - Prob. 7PTCh. 2 - Find the surface area of a tennis ball whose...Ch. 2 - Prob. 9PTCh. 2 - Prob. 10PTCh. 2 - Prob. 11PTCh. 2 - Prob. 12PTCh. 2 - Prob. 13PTCh. 2 - Prob. 14PT
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