EBK MATHEMATICS FOR MACHINE TECHNOLOGY
8th Edition
ISBN: 9781337798396
Author: SMITH
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 20, Problem 17A
Length A in Figure 20−5 is 3 inches and length B is 2.5 feet. Determine the ratio of length A to length B in lowest form.
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Students have asked these similar questions
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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
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Chapter 20 Solutions
EBK MATHEMATICS FOR MACHINE TECHNOLOGY
Ch. 20 - Use a decimal equivalents table to find the...Ch. 20 - Compute (27.52.5+4.36)21.75 . Express the result...Ch. 20 - A cylinder has a volume, V, of 32.85 mm3. Use the...Ch. 20 - The volume V of a cube is V=s3 , where s is the...Ch. 20 - Multiply 15.328.75 .Ch. 20 - Express the decimal fraction 0.4275 as a common...Ch. 20 - Prob. 7ACh. 20 - Express the following ratios in lowest fractional...Ch. 20 - Prob. 9ACh. 20 - Express the following ratios in lowest fractional...
Ch. 20 - Prob. 11ACh. 20 - Prob. 12ACh. 20 - Prob. 13ACh. 20 - Express the following ratios in lowest fractional...Ch. 20 - Prob. 15ACh. 20 - Express the following ratios in lowest fractional...Ch. 20 - Length A in Figure 205 is 3 inches and length B is...Ch. 20 - Prob. 18ACh. 20 - Prob. 19ACh. 20 - In Figure 208, gear A is turning at 120...Ch. 20 - Solve for the unknown value in each of the...Ch. 20 - Solve for the unknown value in each of the...Ch. 20 - Prob. 23ACh. 20 - Prob. 24ACh. 20 - Prob. 25ACh. 20 - Prob. 26ACh. 20 - Prob. 27ACh. 20 - Solve for the unknown value in each of the...Ch. 20 - Solve for the unknown value in each of the...Ch. 20 - Prob. 30ACh. 20 - Prob. 31ACh. 20 - Prob. 32ACh. 20 - Prob. 33ACh. 20 - Prob. 34ACh. 20 - Prob. 35ACh. 20 - Prob. 36ACh. 20 - Prob. 37ACh. 20 - Prob. 38ACh. 20 - Prob. 39ACh. 20 - Prob. 40ACh. 20 - Prob. 41ACh. 20 - Prob. 42ACh. 20 - The proportion AB=CDcompares the sides of two...Ch. 20 - Prob. 44ACh. 20 - It is sometimes impractical to make engineering...Ch. 20 - Prob. 46ACh. 20 - Prob. 47ACh. 20 - A drawing has a scale of 14=3 . Determine the...
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