Elementary Algebra For College Students (9th Edition)
Elementary Algebra For College Students (9th Edition)
9th Edition
ISBN: 9780321868060
Author: Angel
Publisher: PEARSON
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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Chapter 3.4, Problem 31ES
To determine

(a)

To calculate the distance that Jane swam.

To determine

(b)

To calculate the distance that Jane cycled.

To determine

(c)

To calculate the distance that Jane ran.

To determine

(d)

To calculate the total distance covered during triathlon.

To determine

(e)

To calculate the total time for Jane's triathlon.

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Chapter 3.4, Problem 30ES
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1) Express these large and small numbers from the Read and Study section in scientific notation: (a) 239,000 miles (b) 3,800,000,000,000 sheets of paper (c) 0.0000000000000000000000167 grams 2) Find all values for the variable x that make these equations true. (a) 5x = 1 (b) 3x = 1/1 9 (c) 4* = 11/ 4 (e) 4* = 64 (g) 10x = 1,000,000 (d) 3x=-3 (f) 2x = = 8 (h) 10x = 0.001
(b) 4) Find an equation to fit each of the following graphs: (a) 20 20 18 16 14 12 10 8 6 4 2 24 22 20 18 16 14 12 10 8 16 A 2 -3 -2 -1-0 2 3 4. -1 0 1 2 3. -2 -2
3) Which of the following are equivalent to 3? (There may be more than one that is equivalent!) -1 (a) (9)¯¹ 3. (b) (-3)-1 (c) (-3) -1 (d) -(¯3) (e) 11 3-1 (f) 3-4

Chapter 3 Solutions

Elementary Algebra For College Students (9th Edition)

Ch. 3.1 - Fill in the blanks with the appropriate word,...Ch. 3.1 - Prob. 2ESCh. 3.1 - Fill in the blanks with the appropriate word,...Ch. 3.1 - Prob. 4ESCh. 3.1 - Prob. 5ESCh. 3.1 - Prob. 6ESCh. 3.1 - Prob. 7ESCh. 3.1 - Prob. 8ESCh. 3.1 - Prob. 9ESCh. 3.1 - Prob. 10ES
Ch. 3.1 - Prob. 11ESCh. 3.1 - Prob. 12ESCh. 3.1 - Prob. 13ESCh. 3.1 - Prob. 14ESCh. 3.1 - Prob. 15ESCh. 3.1 - Prob. 16ESCh. 3.1 - Prob. 17ESCh. 3.1 - Prob. 18ESCh. 3.1 - Prob. 19ESCh. 3.1 - Prob. 20ESCh. 3.1 - Prob. 21ESCh. 3.1 - Prob. 22ESCh. 3.1 - Prob. 23ESCh. 3.1 - Prob. 24ESCh. 3.1 - Prob. 25ESCh. 3.1 - Prob. 26ESCh. 3.1 - Prob. 27ESCh. 3.1 - Prob. 28ESCh. 3.1 - Prob. 29ESCh. 3.1 - Prob. 30ESCh. 3.1 - Prob. 31ESCh. 3.1 - Prob. 32ESCh. 3.1 - Prob. 33ESCh. 3.1 - Prob. 34ESCh. 3.1 - Prob. 35ESCh. 3.1 - Prob. 36ESCh. 3.1 - Prob. 37ESCh. 3.1 - Prob. 38ESCh. 3.1 - Prob. 39ESCh. 3.1 - Prob. 40ESCh. 3.1 - Prob. 41ESCh. 3.1 - Prob. 42ESCh. 3.1 - Prob. 43ESCh. 3.1 - Prob. 44ESCh. 3.1 - Prob. 45ESCh. 3.1 - Prob. 46ESCh. 3.1 - Prob. 47ESCh. 3.1 - Prob. 48ESCh. 3.1 - Prob. 49ESCh. 3.1 - Prob. 50ESCh. 3.1 - Prob. 51ESCh. 3.1 - Prob. 52ESCh. 3.1 - Prob. 53ESCh. 3.1 - Prob. 54ESCh. 3.1 - Prob. 55ESCh. 3.1 - Prob. 56ESCh. 3.1 - Prob. 57ESCh. 3.1 - Prob. 58ESCh. 3.1 - Prob. 59ESCh. 3.1 - Prob. 60ESCh. 3.1 - Prob. 61ESCh. 3.1 - Prob. 62ESCh. 3.1 - Prob. 63ESCh. 3.1 - Prob. 64ESCh. 3.1 - Prob. 65ESCh. 3.1 - Prob. 66ESCh. 3.1 - Prob. 67ESCh. 3.1 - Prob. 68ESCh. 3.1 - Prob. 69ESCh. 3.1 - Prob. 70ESCh. 3.1 - Prob. 71ESCh. 3.1 - Prob. 72ESCh. 3.1 - Prob. 73ESCh. 3.1 - Prob. 74ESCh. 3.1 - Prob. 75ESCh. 3.1 - Prob. 76ESCh. 3.1 - Prob. 77ESCh. 3.1 - Prob. 78ESCh. 3.1 - Prob. 79ESCh. 3.1 - Prob. 80ESCh. 3.1 - Prob. 81ESCh. 3.1 - Prob. 82ESCh. 3.1 - Prob. 83ESCh. 3.1 - Prob. 84ESCh. 3.1 - Prob. 85ESCh. 3.1 - Prob. 86ESCh. 3.1 - Prob. 87ESCh. 3.1 - Prob. 88ESCh. 3.1 - Prob. 89ESCh. 3.1 - Prob. 90ESCh. 3.1 - Prob. 91ESCh. 3.1 - Prob. 92ESCh. 3.1 - Prob. 93ESCh. 3.1 - Prob. 94ESCh. 3.1 - Prob. 95ESCh. 3.1 - Prob. 96ESCh. 3.1 - Prob. 97ESCh. 3.1 - Prob. 98ESCh. 3.1 - Prob. 99ESCh. 3.1 - Prob. 100ESCh. 3.1 - Prob. 101ESCh. 3.1 - Prob. 102ESCh. 3.1 - Prob. 103ESCh. 3.1 - Prob. 104ESCh. 3.1 - Prob. 105ESCh. 3.1 - Prob. 106ESCh. 3.1 - Prob. 107ESCh. 3.1 - Prob. 108ESCh. 3.1 - Prob. 109ESCh. 3.1 - Prob. 110ESCh. 3.1 - Prob. 111ESCh. 3.1 - Prob. 112ESCh. 3.1 - In Exercises 99-132, write an equation to...Ch. 3.1 - Prob. 114ESCh. 3.1 - Prob. 115ESCh. 3.1 - Prob. 116ESCh. 3.1 - Prob. 117ESCh. 3.1 - Prob. 118ESCh. 3.1 - Prob. 119ESCh. 3.1 - Prob. 120ESCh. 3.1 - Prob. 121ESCh. 3.1 - Prob. 122ESCh. 3.1 - Prob. 123ESCh. 3.1 - In Exercises 99-132, write an equation to...Ch. 3.1 - Prob. 125ESCh. 3.1 - Prob. 126ESCh. 3.1 - Prob. 127ESCh. 3.1 - Prob. 128ESCh. 3.1 - Prob. 129ESCh. 3.1 - Prob. 130ESCh. 3.1 - Prob. 131ESCh. 3.1 - Prob. 132ESCh. 3.1 - Time a. Write an algebraic expression for the...Ch. 3.1 - Prob. 134ESCh. 3.1 - Prob. 135ESCh. 3.1 - Prob. 136ESCh. 3.1 - Prob. 137ESCh. 3.1 - Prob. 138ESCh. 3.1 - Prob. 139ESCh. 3.1 - Solve the inequality 2x43. Graph the solution on a...Ch. 3.2 - Prob. 1ESCh. 3.2 - Prob. 2ESCh. 3.2 - Prob. 3ESCh. 3.2 - Prob. 4ESCh. 3.2 - Prob. 5ESCh. 3.2 - Prob. 6ESCh. 3.2 - Prob. 7ESCh. 3.2 - Prob. 8ESCh. 3.2 - Prob. 9ESCh. 3.2 - Prob. 10ESCh. 3.2 - Prob. 11ESCh. 3.2 - Prob. 12ESCh. 3.2 - Prob. 13ESCh. 3.2 - Prob. 14ESCh. 3.2 - Prob. 15ESCh. 3.2 - Prob. 16ESCh. 3.2 - Prob. 17ESCh. 3.2 - Prob. 18ESCh. 3.2 - Prob. 19ESCh. 3.2 - Prob. 20ESCh. 3.2 - Prob. 21ESCh. 3.2 - Prob. 22ESCh. 3.2 - Prob. 23ESCh. 3.2 - Prob. 24ESCh. 3.2 - Prob. 25ESCh. 3.2 - Prob. 26ESCh. 3.2 - Exercises 7-32 involve finding a number or...Ch. 3.2 - Prob. 28ESCh. 3.2 - Prob. 29ESCh. 3.2 - Exercises 7-32 involve finding a number or...Ch. 3.2 - Prob. 31ESCh. 3.2 - Prob. 32ESCh. 3.2 - Prob. 33ESCh. 3.2 - Prob. 34ESCh. 3.2 - Prob. 35ESCh. 3.2 - Prob. 36ESCh. 3.2 - Prob. 37ESCh. 3.2 - Prob. 38ESCh. 3.2 - Prob. 39ESCh. 3.2 - Prob. 40ESCh. 3.2 - Prob. 41ESCh. 3.2 - Prob. 42ESCh. 3.2 - Prob. 43ESCh. 3.2 - Prob. 44ESCh. 3.2 - Prob. 45ESCh. 3.2 - Prob. 46ESCh. 3.2 - Prob. 47ESCh. 3.2 - Prob. 48ESCh. 3.2 - Prob. 49ESCh. 3.2 - Prob. 50ESCh. 3.2 - Prob. 51ESCh. 3.2 - Prob. 52ESCh. 3.2 - Prob. 53ESCh. 3.2 - Prob. 54ESCh. 3.2 - Prob. 55ESCh. 3.2 - Prob. 56ESCh. 3.2 - Prob. 57ESCh. 3.2 - Prob. 58ESCh. 3.2 - Prob. 59ESCh. 3.2 - Prob. 60ESCh. 3.2 - Exercises 47-68 involve percents. Read Examples...Ch. 3.2 - Prob. 62ESCh. 3.2 - Exercises 47-68 involve percents Read Examples...Ch. 3.2 - Prob. 64ESCh. 3.2 - Prob. 65ESCh. 3.2 - Prob. 66ESCh. 3.2 - Prob. 67ESCh. 3.2 - Prob. 68ESCh. 3.2 - Prob. 69ESCh. 3.2 - Prob. 70ESCh. 3.2 - Prob. 71ESCh. 3.2 - Prob. 72ESCh. 3.2 - Prob. 73ESCh. 3.2 - Prob. 74ESCh. 3.2 - Prob. 75ESCh. 3.2 - Prob. 76ESCh. 3.2 - Prob. 77ESCh. 3.2 - Prob. 78ESCh. 3.3 - Prob. 1ESCh. 3.3 - Prob. 2ESCh. 3.3 - Prob. 3ESCh. 3.3 - Prob. 4ESCh. 3.3 - Prob. 5ESCh. 3.3 - Prob. 6ESCh. 3.3 - Prob. 7ESCh. 3.3 - Fill the blanks with the appropriate word, phrase,...Ch. 3.3 - Prob. 9ESCh. 3.3 - Prob. 10ESCh. 3.3 - Prob. 11ESCh. 3.3 - Prob. 12ESCh. 3.3 - Prob. 13ESCh. 3.3 - Prob. 14ESCh. 3.3 - Prob. 15ESCh. 3.3 - Prob. 16ESCh. 3.3 - Prob. 17ESCh. 3.3 - Prob. 18ESCh. 3.3 - Prob. 19ESCh. 3.3 - Prob. 20ESCh. 3.3 - Prob. 21ESCh. 3.3 - Prob. 22ESCh. 3.3 - Prob. 23ESCh. 3.3 - Prob. 24ESCh. 3.3 - Prob. 25ESCh. 3.3 - Prob. 26ESCh. 3.3 - Prob. 27ESCh. 3.3 - Parallelogram The two smaller angles of a...Ch. 3.3 - Prob. 29ESCh. 3.3 - Prob. 30ESCh. 3.3 - Prob. 31ESCh. 3.3 - Prob. 32ESCh. 3.3 - Building a Bookcase A bookcase is have four...Ch. 3.3 - Prob. 34ESCh. 3.3 - Prob. 35ESCh. 3.3 - Prob. 36ESCh. 3.3 - Prob. 37ESCh. 3.3 - Solve the following geometric problems. * Storage...Ch. 3.3 - Prob. 39ESCh. 3.3 - Prob. 40ESCh. 3.3 - Prob. 41ESCh. 3.3 - Prob. 42ESCh. 3.3 - Prob. 43ESCh. 3.3 - Prob. 44ESCh. 3.3 - Simplify 7y+x3(x2)+2y.Ch. 3.3 - Prob. 46ESCh. 3.4 - Fill in the blanks with appropriate word, phrase,...Ch. 3.4 - Fill in the blanks with appropriate word, phrase,...Ch. 3.4 - Prob. 3ESCh. 3.4 - Prob. 4ESCh. 3.4 - Prob. 5ESCh. 3.4 - Prob. 6ESCh. 3.4 - Prob. 7ESCh. 3.4 - Prob. 8ESCh. 3.4 - Prob. 9ESCh. 3.4 - Prob. 10ESCh. 3.4 - Prob. 11ESCh. 3.4 - Prob. 12ESCh. 3.4 - Prob. 13ESCh. 3.4 - Prob. 14ESCh. 3.4 - Prob. 15ESCh. 3.4 - Prob. 16ESCh. 3.4 - Prob. 17ESCh. 3.4 - Prob. 18ESCh. 3.4 - Prob. 19ESCh. 3.4 - Prob. 20ESCh. 3.4 - Prob. 21ESCh. 3.4 - Prob. 22ESCh. 3.4 - Prob. 23ESCh. 3.4 - Prob. 24ESCh. 3.4 - Prob. 25ESCh. 3.4 - Prob. 26ESCh. 3.4 - Prob. 27ESCh. 3.4 - Prob. 28ESCh. 3.4 - Prob. 29ESCh. 3.4 - Prob. 30ESCh. 3.4 - Prob. 31ESCh. 3.4 - Prob. 32ESCh. 3.4 - Prob. 33ESCh. 3.4 - Prob. 34ESCh. 3.4 - Prob. 35ESCh. 3.4 - Prob. 36ESCh. 3.4 - Prob. 37ESCh. 3.4 - Prob. 38ESCh. 3.4 - Prob. 39ESCh. 3.4 - Prob. 40ESCh. 3.4 - Prob. 41ESCh. 3.4 - Prob. 42ESCh. 3.4 - Prob. 43ESCh. 3.4 - Prob. 44ESCh. 3.4 - Prob. 45ESCh. 3.4 - Prob. 46ESCh. 3.4 - Prob. 47ESCh. 3.4 - Prob. 48ESCh. 3.4 - Prob. 49ESCh. 3.4 - Prob. 50ESCh. 3.4 - Prob. 51ESCh. 3.4 - Prob. 52ESCh. 3.4 - Prob. 53ESCh. 3.4 - Prob. 54ESCh. 3.4 - In Exercises 47-66, solve the money problem. See...Ch. 3.4 - Prob. 56ESCh. 3.4 - Prob. 57ESCh. 3.4 - Prob. 58ESCh. 3.4 - Prob. 59ESCh. 3.4 - Prob. 60ESCh. 3.4 - Prob. 61ESCh. 3.4 - Prob. 62ESCh. 3.4 - Prob. 63ESCh. 3.4 - Prob. 64ESCh. 3.4 - In Exercises 47-66, solve the money problem. See...Ch. 3.4 - Prob. 66ESCh. 3.4 - Prob. 67ESCh. 3.4 - Prob. 68ESCh. 3.4 - Discuss and answer Exercises 68 and 69 as a group....Ch. 3.4 - Prob. 70ESCh. 3.4 - Prob. 71ESCh. 3.4 - Prob. 72ESCh. 3.4 - Prob. 73ESCh. 3 - In Exercises 1-6, express each statement as an...Ch. 3 - Prob. 2MCTCh. 3 - Prob. 3MCTCh. 3 - Prob. 4MCTCh. 3 - In Exercises 1-6, express each statement as an...Ch. 3 - Prob. 6MCTCh. 3 - Prob. 7MCTCh. 3 - Prob. 8MCTCh. 3 - Select a variable to represent one quantity and...Ch. 3 - Prob. 10MCTCh. 3 - In Exercises 10-12, write the problem as an...Ch. 3 - Prob. 12MCTCh. 3 - Prob. 13MCTCh. 3 - Prob. 14MCTCh. 3 - Prob. 15MCTCh. 3 - Prob. 16MCTCh. 3 - Prob. 17MCTCh. 3 - Prob. 18MCTCh. 3 - Prob. 19MCTCh. 3 - Prob. 20MCTCh. 3 - Prob. 1RECh. 3 - Prob. 2RECh. 3 - Prob. 3RECh. 3 - Prob. 4RECh. 3 - Prob. 5RECh. 3 - Prob. 6RECh. 3 - Prob. 7RECh. 3 - Prob. 8RECh. 3 - Prob. 9RECh. 3 - Prob. 10RECh. 3 - Prob. 11RECh. 3 - Prob. 12RECh. 3 - Prob. 13RECh. 3 - In Exercises 9-18, set up an equation that can be...Ch. 3 - Prob. 15RECh. 3 - Prob. 16RECh. 3 - Prob. 17RECh. 3 - Prob. 18RECh. 3 - Prob. 19RECh. 3 - Prob. 20RECh. 3 - Prob. 21RECh. 3 - Prob. 22RECh. 3 - Rhombus The two larger angles of a rhombus are...Ch. 3 - Prob. 24RECh. 3 - Prob. 25RECh. 3 - Trains Leaving Two trains going in opposite...Ch. 3 - Prob. 27RECh. 3 - Prob. 28RECh. 3 - Prob. 29RECh. 3 - Prob. 30RECh. 3 - Prob. 31RECh. 3 - Prob. 32RECh. 3 - Prob. 33RECh. 3 - Prob. 34RECh. 3 - Prob. 35RECh. 3 - Prob. 36RECh. 3 - Prob. 37RECh. 3 - Prob. 38RECh. 3 - Prob. 39RECh. 3 - Prob. 40RECh. 3 - Prob. 41RECh. 3 - Speed Traveled Two brothers who are 230 miles...Ch. 3 - Prob. 43RECh. 3 - Prob. 44RECh. 3 - Prob. 45RECh. 3 - Prob. 1PTCh. 3 - Prob. 2PTCh. 3 - Prob. 3PTCh. 3 - Prob. 4PTCh. 3 - Prob. 5PTCh. 3 - Prob. 6PTCh. 3 - Prob. 7PTCh. 3 - Prob. 8PTCh. 3 - Prob. 9PTCh. 3 - Prob. 10PTCh. 3 - Prob. 11PTCh. 3 - Prob. 12PTCh. 3 - Prob. 13PTCh. 3 - Prob. 14PTCh. 3 - Prob. 15PTCh. 3 - Prob. 16PTCh. 3 - Prob. 17PTCh. 3 - Prob. 18PTCh. 3 - Prob. 19PTCh. 3 - Prob. 20PTCh. 3 - Prob. 21PTCh. 3 - Prob. 22PTCh. 3 - Prob. 23PTCh. 3 - Prob. 24PTCh. 3 - Prob. 25PTCh. 3 - Prob. 1CRTCh. 3 - Prob. 2CRTCh. 3 - Prob. 3CRTCh. 3 - Prob. 4CRTCh. 3 - Prob. 5CRTCh. 3 - Prob. 6CRTCh. 3 - Prob. 7CRTCh. 3 - Prob. 8CRTCh. 3 - Prob. 9CRTCh. 3 - Prob. 10CRTCh. 3 - Prob. 11CRTCh. 3 - Prob. 12CRTCh. 3 - Prob. 13CRTCh. 3 - Prob. 14CRTCh. 3 - Prob. 15CRTCh. 3 - Prob. 16CRTCh. 3 - Prob. 17CRTCh. 3 - Prob. 18CRTCh. 3 - Prob. 19CRTCh. 3 - Prob. 20CRT
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