MATHEMATICS FOR THE TRADES MYMATHLAB AC
MATHEMATICS FOR THE TRADES MYMATHLAB AC
11th Edition
ISBN: 9780135902028
Author: SAUNDERS
Publisher: PEARSON
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Chapter 6.1, Problem 50DE

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50. ( 0.0475 ) + ( 0.0875 ) + ( 0.0255 )

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Page < 2 of 2 - ZOOM + The set of all 3 x 3 upper triangular matrices 6) Determine whether each of the following sets, together with the standard operations, is a vector space. If it is, then simply write 'Vector space'. You do not have to prove all ten vector space axioms. If it is not, then identify one of the ten vector space axioms with its number in the attached sheet that fails and also show that how it fails. a) The set of all polynomials of degree four or less. b) The set of all 2 x 2 singular matrices. c) The set {(x, y) : x ≥ 0, y is a real number}. d) C[0,1], the set of all continuous functions defined on the interval [0,1]. 7) Given u = (-2,1,1) and v = (4,2,0) are two vectors in R³-space. Find u xv and show that it is orthogonal to both u and v. 8) a) Find the equation of the least squares regression line for the data points below. (-2,0), (0,2), (2,2) b) Graph the points and the line that you found from a) on the same Cartesian coordinate plane.
1. A consumer group claims that the mean annual consumption of cheddar cheese by a person in the United States is at most 10.3 pounds. A random sample of 100 people in the United States has a mean annual cheddar cheese consumption of 9.9 pounds. Assume the population standard deviation is 2.1 pounds. At a = 0.05, can you reject the claim? (Adapted from U.S. Department of Agriculture) State the hypotheses: Calculate the test statistic: Calculate the P-value: Conclusion (reject or fail to reject Ho): 2. The CEO of a manufacturing facility claims that the mean workday of the company's assembly line employees is less than 8.5 hours. A random sample of 25 of the company's assembly line employees has a mean workday of 8.2 hours. Assume the population standard deviation is 0.5 hour and the population is normally distributed. At a = 0.01, test the CEO's claim. State the hypotheses: Calculate the test statistic: Calculate the P-value: Conclusion (reject or fail to reject Ho): Statistics
Page < 1 of 2 - ZOOM + 1) a) Find a matrix P such that PT AP orthogonally diagonalizes the following matrix A. = [{² 1] A = b) Verify that PT AP gives the correct diagonal form. 2 01 -2 3 2) Given the following matrices A = -1 0 1] an and B = 0 1 -3 2 find the following matrices: a) (AB) b) (BA)T 3) Find the inverse of the following matrix A using Gauss-Jordan elimination or adjoint of the matrix and check the correctness of your answer (Hint: AA¯¹ = I). [1 1 1 A = 3 5 4 L3 6 5 4) Solve the following system of linear equations using any one of Cramer's Rule, Gaussian Elimination, Gauss-Jordan Elimination or Inverse Matrix methods and check the correctness of your answer. 4x-y-z=1 2x + 2y + 3z = 10 5x-2y-2z = -1 5) a) Describe the zero vector and the additive inverse of a vector in the vector space, M3,3. b) Determine if the following set S is a subspace of M3,3 with the standard operations. Show all appropriate supporting work.

Chapter 6 Solutions

MATHEMATICS FOR THE TRADES MYMATHLAB AC

Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - A. Make each statement true by replacing the ...Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - Make each statement true by replacing the symbol...Ch. 6.1 - For each problem, make a separate number line and...Ch. 6.1 - For each problem, make a separate number line and...Ch. 6.1 - For each problem, make a separate number line and...Ch. 6.1 - For each problem, make a separate number line and...Ch. 6.1 - Prob. 1CECh. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Prob. 5CECh. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Prob. 7CECh. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Prob. 9CECh. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Represent each of the following situations with a...Ch. 6.1 - Prob. 12CECh. 6.1 - Prob. 13CECh. 6.1 - C. Represent each of the following situations with...Ch. 6.1 - Prob. 1DECh. 6.1 - Add. 2. 11 + 7Ch. 6.1 - Prob. 3DECh. 6.1 - Prob. 4DECh. 6.1 - Prob. 5DECh. 6.1 - Prob. 6DECh. 6.1 - Prob. 7DECh. 6.1 - Add. 8. 23 + (28)Ch. 6.1 - Prob. 9DECh. 6.1 - Add. 10. 12 + 19Ch. 6.1 - Prob. 11DECh. 6.1 - Prob. 12DECh. 6.1 - Prob. 13DECh. 6.1 - Add. 14. 56 + 29Ch. 6.1 - Prob. 15DECh. 6.1 - Prob. 16DECh. 6.1 - Prob. 17DECh. 6.1 - Prob. 18DECh. 6.1 - Prob. 19DECh. 6.1 - Add. 20. 5.7 + (7.9)Ch. 6.1 - Prob. 21DECh. 6.1 - Prob. 22DECh. 6.1 - Prob. 23DECh. 6.1 - Prob. 24DECh. 6.1 - Prob. 25DECh. 6.1 - Add. 26. 414+634Ch. 6.1 - Add. 27. 912+(412)Ch. 6.1 - Prob. 28DECh. 6.1 - Prob. 29DECh. 6.1 - Prob. 30DECh. 6.1 - Prob. 31DECh. 6.1 - Add. 32. 13310+(845)Ch. 6.1 - Prob. 33DECh. 6.1 - Prob. 34DECh. 6.1 - Prob. 35DECh. 6.1 - Prob. 36DECh. 6.1 - Prob. 37DECh. 6.1 - Add. 38. 11 + (6) + (5)Ch. 6.1 - Prob. 39DECh. 6.1 - Prob. 40DECh. 6.1 - Add. 41. 36 + 45 + 27 + (18)Ch. 6.1 - Prob. 42DECh. 6.1 - Prob. 43DECh. 6.1 - Add. 44. 1+3+(5)+7+(9)+11+(13)+(15)+(17)+19Ch. 6.1 - Prob. 45DECh. 6.1 - Prob. 46DECh. 6.1 - Prob. 47DECh. 6.1 - Prob. 48DECh. 6.1 - Prob. 49DECh. 6.1 - Add. 50. (0.0475)+(0.0875)+(0.0255)Ch. 6.1 - Prob. 1EECh. 6.1 - Practical Applications 2. Sports and Leisure...Ch. 6.1 - Prob. 3EECh. 6.1 - Prob. 4EECh. 6.1 - Practical Applications 5. Business and Finance A...Ch. 6.1 - Prob. 6EECh. 6.1 - Practical Applications 7. Electronics What is the...Ch. 6.1 - Practical Applications 8. Electrical Trades As...Ch. 6.2 - Prob. 1LCCh. 6.2 - Prob. 2LCCh. 6.2 - Prob. 1AECh. 6.2 - Find the value of the following. 2. 7 20Ch. 6.2 - Prob. 3AECh. 6.2 - Prob. 4AECh. 6.2 - Prob. 5AECh. 6.2 - Prob. 6AECh. 6.2 - Prob. 7AECh. 6.2 - Find the value of the following. 8. 22 ( 10)Ch. 6.2 - Prob. 9AECh. 6.2 - Prob. 10AECh. 6.2 - Find the value of the following. 11. 5 ( 16)Ch. 6.2 - Prob. 12AECh. 6.2 - Prob. 13AECh. 6.2 - Find the value of the following. 14. 30 65Ch. 6.2 - Prob. 15AECh. 6.2 - Prob. 16AECh. 6.2 - Prob. 17AECh. 6.2 - Prob. 18AECh. 6.2 - Prob. 19AECh. 6.2 - Find the value of the following. 20. 70 25Ch. 6.2 - Prob. 21AECh. 6.2 - Prob. 22AECh. 6.2 - Prob. 23AECh. 6.2 - Prob. 24AECh. 6.2 - Prob. 25AECh. 6.2 - Find the value of the following. 26. 55 0Ch. 6.2 - Prob. 27AECh. 6.2 - Prob. 28AECh. 6.2 - Prob. 29AECh. 6.2 - Prob. 30AECh. 6.2 - Prob. 31AECh. 6.2 - Find the value of the following. 32. 17 44Ch. 6.2 - Prob. 33AECh. 6.2 - Prob. 34AECh. 6.2 - Prob. 35AECh. 6.2 - Prob. 36AECh. 6.2 - Prob. 37AECh. 6.2 - Find the value of the following. 38. 5 12 + (13) ...Ch. 6.2 - Prob. 39AECh. 6.2 - Find the value of the following. 31. 22 89 32. 17...Ch. 6.2 - Prob. 41AECh. 6.2 - Prob. 42AECh. 6.2 - Prob. 43AECh. 6.2 - Find the value of the following. 44. 212(314)Ch. 6.2 - Prob. 45AECh. 6.2 - Prob. 46AECh. 6.2 - Prob. 47AECh. 6.2 - Prob. 48AECh. 6.2 - Prob. 49AECh. 6.2 - Find the value of the following. 50. (0.275) ...Ch. 6.2 - Prob. 51AECh. 6.2 - Prob. 52AECh. 6.2 - Prob. 53AECh. 6.2 - Prob. 54AECh. 6.2 - Prob. 55AECh. 6.2 - Find the value of the following. 56. (5.8)(818)3.9Ch. 6.2 - Prob. 1BECh. 6.2 - Practical Applications 2. Meteorology The highest...Ch. 6.2 - Prob. 3BECh. 6.2 - Prob. 4BECh. 6.2 - Prob. 5BECh. 6.2 - Prob. 6BECh. 6.2 - Prob. 7BECh. 6.2 - Practical Applications 8. Meteorology The fastest...Ch. 6.2 - Prob. 9BECh. 6.2 - Prob. 10BECh. 6.2 - Prob. 11BECh. 6.2 - Prob. 12BECh. 6.2 - Prob. 13BECh. 6.2 - Practical Applications 14. Meteorology The hottest...Ch. 6.2 - Prob. 15BECh. 6.3 - Prob. 1LCCh. 6.3 - Prob. 2LCCh. 6.3 - Prob. 1AECh. 6.3 - Multiply or divide as indicated. 2. 8 (5)Ch. 6.3 - Prob. 3AECh. 6.3 - Prob. 4AECh. 6.3 - Prob. 5AECh. 6.3 - Prob. 6AECh. 6.3 - Prob. 7AECh. 6.3 - Multiply or divide as indicated. 8. (44)(11)Ch. 6.3 - Multiply or divide as indicated. 9. (3.4)(1.5)Ch. 6.3 - Prob. 10AECh. 6.3 - Prob. 11AECh. 6.3 - Prob. 12AECh. 6.3 - Prob. 13AECh. 6.3 - Multiply or divide as indicated. 14. (10.8)(1.2)Ch. 6.3 - Prob. 15AECh. 6.3 - Prob. 16AECh. 6.3 - Prob. 17AECh. 6.3 - Prob. 18AECh. 6.3 - Prob. 19AECh. 6.3 - Multiply or divide as indicated. 20. (13)(4)Ch. 6.3 - Prob. 21AECh. 6.3 - Prob. 22AECh. 6.3 - Prob. 23AECh. 6.3 - Prob. 24AECh. 6.3 - Prob. 25AECh. 6.3 - Multiply or divide as indicated. 26. (200)(10)Ch. 6.3 - Prob. 27AECh. 6.3 - Prob. 28AECh. 6.3 - Prob. 29AECh. 6.3 - Prob. 30AECh. 6.3 - Prob. 31AECh. 6.3 - Multiply or divide as indicated. 32. (2.25)0.15Ch. 6.3 - Prob. 33AECh. 6.3 - Prob. 34AECh. 6.3 - Prob. 35AECh. 6.3 - Prob. 36AECh. 6.3 - Prob. 37AECh. 6.3 - Multiply or divide as indicated. 38. (8)4(7)Ch. 6.3 - Prob. 39AECh. 6.3 - Prob. 40AECh. 6.3 - Prob. 41AECh. 6.3 - Prob. 42AECh. 6.3 - Prob. 1BECh. 6.3 - Multiply or divide using a calculator and round as...Ch. 6.3 - Prob. 3BECh. 6.3 - Prob. 4BECh. 6.3 - Prob. 5BECh. 6.3 - Prob. 6BECh. 6.3 - Prob. 7BECh. 6.3 - Multiply or divide using a calculator and round as...Ch. 6.3 - Prob. 9BECh. 6.3 - Prob. 10BECh. 6.3 - Prob. 11BECh. 6.3 - Multiply or divide using a calculator and round as...Ch. 6.3 - Prob. 1CECh. 6.3 - Practical Applications 2. Business and Finance In...Ch. 6.3 - Practical Applications 3. Industrial Technology...Ch. 6.3 - Practical Applications 4. Machine Trades A long...Ch. 6.3 - Prob. 5CECh. 6.3 - Prob. 6CECh. 6.4 - What number, multiplied by itself, gives you a...Ch. 6.4 - Prob. 2LCCh. 6.4 - Prob. 1AECh. 6.4 - Find the value of these. 2. 32Ch. 6.4 - Prob. 3AECh. 6.4 - Prob. 4AECh. 6.4 - Prob. 5AECh. 6.4 - Prob. 6AECh. 6.4 - Prob. 7AECh. 6.4 - Find the value of these. 8. 62Ch. 6.4 - Prob. 9AECh. 6.4 - Prob. 10AECh. 6.4 - Prob. 11AECh. 6.4 - Prob. 12AECh. 6.4 - Prob. 13AECh. 6.4 - Find the value of these. 14. (3)5Ch. 6.4 - Prob. 15AECh. 6.4 - Prob. 16AECh. 6.4 - Find the value of these. 17. 51Ch. 6.4 - Prob. 18AECh. 6.4 - Prob. 19AECh. 6.4 - Find the value of these. 20. 82Ch. 6.4 - Prob. 21AECh. 6.4 - Prob. 22AECh. 6.4 - Prob. 23AECh. 6.4 - Prob. 24AECh. 6.4 - Prob. 25AECh. 6.4 - Find the value of these. 26. 2632Ch. 6.4 - Prob. 27AECh. 6.4 - Prob. 28AECh. 6.4 - Prob. 29AECh. 6.4 - Prob. 30AECh. 6.4 - Prob. 31AECh. 6.4 - Find the value of these. 32. 1423Ch. 6.4 - Prob. 33AECh. 6.4 - Prob. 34AECh. 6.4 - Prob. 35AECh. 6.4 - Prob. 36AECh. 6.4 - Prob. 37AECh. 6.4 - Find the value of these. 38. 6442+18Ch. 6.4 - Prob. 39AECh. 6.4 - Prob. 40AECh. 6.4 - Find the value of these. 41. 26+402332Ch. 6.4 - Prob. 42AECh. 6.4 - Prob. 1BECh. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Prob. 3BECh. 6.4 - Prob. 4BECh. 6.4 - Prob. 5BECh. 6.4 - Prob. 6BECh. 6.4 - Prob. 7BECh. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Prob. 9BECh. 6.4 - Prob. 10BECh. 6.4 - Prob. 11BECh. 6.4 - Prob. 12BECh. 6.4 - Prob. 13BECh. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Prob. 16BECh. 6.4 - Prob. 17BECh. 6.4 - Prob. 18BECh. 6.4 - Prob. 19BECh. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Prob. 21BECh. 6.4 - Prob. 22BECh. 6.4 - Prob. 23BECh. 6.4 - Prob. 24BECh. 6.4 - Prob. 25BECh. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Prob. 27BECh. 6.4 - Prob. 28BECh. 6.4 - Prob. 29BECh. 6.4 - Prob. 30BECh. 6.4 - Prob. 31BECh. 6.4 - Calculate. Round to two decimal places if...Ch. 6.4 - Prob. 33BECh. 6.4 - Prob. 34BECh. 6.4 - Prob. 35BECh. 6.4 - Prob. 36BECh. 6.4 - Prob. 37BECh. 6.4 - Prob. 38BECh. 6.4 - Prob. 1CECh. 6.4 - Construction A square building covers an area of...Ch. 6.4 - Mechanical Engineering The following calculation...Ch. 6.4 - Prob. 4CECh. 6.4 - Prob. 5CECh. 6.4 - Prob. 6CECh. 6.4 - Prob. 7CECh. 6.4 - Roofing The length L of a rafter on a shed roof is...Ch. 6.4 - Prob. 9CECh. 6.4 - Prob. 10CECh. 6.4 - Prob. 11CECh. 6.4 - Electrical Trades The electrical resistance of a...Ch. 6.4 - Prob. 13CECh. 6 - Understand the meaning of signed numbers. (a)...Ch. 6 - Add signed numbers. (a) (3)+(5) _____ (b)...Ch. 6 - Subtract signed numbers. (a) 47 _____ (b) 11(3)...Ch. 6 - Multiply and divide signed numbers. (a) (12)6...Ch. 6 - Work with exponents. (a) 43 _____ (b) (2.05)2...Ch. 6 - Use the order of operations. (a) 2+32 _____ (b)...Ch. 6 - Find square roots. (a) 169 _____ (b) 14.5 (to two...Ch. 6 - A. Rewrite each group of numbers in order from...Ch. 6 - A. Rewrite each group of numbers in order from...Ch. 6 - A. Rewrite each group of numbers in order from...Ch. 6 - A. Rewrite each group of numbers in order from...Ch. 6 - Add or subtract as indicated. 1. 16+6Ch. 6 - Prob. 2BPSCh. 6 - Add or subtract as indicated. 3. 7 13Ch. 6 - Prob. 4BPSCh. 6 - Add or subtract as indicated. 5. 23 + (38)Ch. 6 - Prob. 6BPSCh. 6 - B. Add or subtract as indicated. 20 (5)Ch. 6 - Add or subtract as indicated. 8. 11 + (3)Ch. 6 - Add or subtract as indicated. 9. 2.6 + 4.9Ch. 6 - Prob. 10BPSCh. 6 - B. Add or subtract as indicated. 5.26 3.89Ch. 6 - Prob. 12BPSCh. 6 - B. Add or subtract as indicated. 9 6 + 4 + (13) ...Ch. 6 - B. Add or subtract as indicated. 12.4 + 612 (134)...Ch. 6 - Multiply or divide as indicated. 1. 6(10)Ch. 6 - Prob. 2CPSCh. 6 - Multiply or divide as indicated. 3. 48(4)Ch. 6 - Prob. 4CPSCh. 6 - Multiply or divide as indicated. 5. (118)(614)Ch. 6 - Prob. 6CPSCh. 6 - Multiply or divide as indicated. 7. 6.4(16)Ch. 6 - Prob. 8CPSCh. 6 - Multiply or divide as indicated. 9. (4) (5) (6)Ch. 6 - Multiply or divide as indicated. 10. 72(4)(3)Ch. 6 - Multiply or divide as indicated. 11. (2.4735) ...Ch. 6 - Prob. 12CPSCh. 6 - Find the numerical value of each expression. 12.5 ...Ch. 6 - Prob. 2DPSCh. 6 - Find the numerical value of each expression....Ch. 6 - Prob. 4DPSCh. 6 - Find the numerical value of each expression. 5. 26Ch. 6 - Prob. 6DPSCh. 6 - Find the numerical value of each expression. 7....Ch. 6 - Prob. 8DPSCh. 6 - Find the numerical value of each expression. 9....Ch. 6 - Prob. 10DPSCh. 6 - Find the numerical value of each expression. 11....Ch. 6 - Prob. 12DPSCh. 6 - Find the numerical value of each expression. 13....Ch. 6 - Prob. 14DPSCh. 6 - Prob. 15DPSCh. 6 - Prob. 16DPSCh. 6 - Prob. 17DPSCh. 6 - Prob. 18DPSCh. 6 - Prob. 19DPSCh. 6 - Prob. 20DPSCh. 6 - Prob. 21DPSCh. 6 - Prob. 22DPSCh. 6 - Prob. 23DPSCh. 6 - Prob. 24DPSCh. 6 - Prob. 25DPSCh. 6 - Prob. 26DPSCh. 6 - Prob. 27DPSCh. 6 - Prob. 28DPSCh. 6 - Prob. 29DPSCh. 6 - Prob. 30DPSCh. 6 - Prob. 31DPSCh. 6 - Prob. 32DPSCh. 6 - Prob. 33DPSCh. 6 - Prob. 34DPSCh. 6 - Prob. 35DPSCh. 6 - Prob. 36DPSCh. 6 - Prob. 37DPSCh. 6 - Prob. 38DPSCh. 6 - Prob. 39DPSCh. 6 - Prob. 40DPSCh. 6 - Prob. 41DPSCh. 6 - Prob. 42DPSCh. 6 - Prob. 43DPSCh. 6 - Prob. 44DPSCh. 6 - Prob. 45DPSCh. 6 - Prob. 46DPSCh. 6 - Prob. 1EPSCh. 6 - General Trades Find the side of a square whose...Ch. 6 - Prob. 3EPSCh. 6 - E. Practical Applications Trades Management Morgan...Ch. 6 - Prob. 5EPSCh. 6 - Fire Protection The flow rate (in gallons per...Ch. 6 - Prob. 7EPSCh. 6 - Trades Management An auto shop was 14,560 in the...Ch. 6 - Prob. 9EPSCh. 6 - Prob. 10EPSCh. 6 - Prob. 11EPSCh. 6 - Meteorology Use the formula F=9C5+32 to convert...Ch. 6 - Prob. 13EPSCh. 6 - Prob. 14EPSCh. 6 - Prob. 15EPSCh. 6 - Allied Health The following expression gives the...Ch. 6 - Prob. 17EPSCh. 6 - Prob. 18EPSCh. 6 - Prob. 19EPS
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