Algebra for College Students , Ninth Edition by Jerome E. Kaufmann, Karen L. Schwitters PDF

By Jerome E. Kaufmann, Karen L. Schwitters

ISBN-10: 0538733543

ISBN-13: 9780538733540

Kaufmann and Schwitters have equipped this text's attractiveness on transparent and concise exposition, a variety of examples, and considerable challenge units. This conventional textual content continuously reinforces the subsequent universal thread: study a ability; perform the ability to assist resolve equations; after which observe what you've realized to unravel program difficulties. this straightforward, ordinary process has helped many scholars snatch and observe basic challenge fixing abilities priceless for destiny arithmetic classes. Algebraic principles are constructed in a logical series, and in an easy-to-read demeanour, with no over the top vocabulary and formalism. The open and uncluttered layout is helping maintain scholars concerned about the strategies whereas minimizing distractions. difficulties and examples reference a vast variety of themes, in addition to profession parts akin to electronics, mechanics, and overall healthiness, exhibiting scholars that arithmetic is a part of daily life. The text's source package--anchored through more desirable WebAssign, a web homework administration tool--saves teachers time whereas additionally supplying extra aid and skill-building perform for college kids open air of sophistication.

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Example text

13. Simplify 3(3n Ϫ 1) Ϫ 4(2n ϩ 3) ϩ 5(Ϫ4n Ϫ 1) by removing parentheses and combining similar terms. For Problems 14–20, evaluate each algebraic expression for the given values of the variables. 14. Ϫ7x Ϫ 3y 40 for x ϭ Ϫ6 and y ϭ 5 for x ϭ Ϫ3 and y ϭ 9 For Problems 21 and 22, translate the English phrase into an algebraic expression using n to represent the unknown number. 21. Thirty subtracted from six times a number 22. Four more than three times the sum of a number and 8 For Problems 23–25, answer each question with an algebraic expression.

56. Yuriko can type w words in an hour. What is her typing rate per minute? 57. Harry is y years old. His brother is 7 years less than twice as old as Harry. How old is Harry’s brother? 58. If n represents a multiple of 3, what represents the next largest multiple of 3? 59. Celia has p pennies, n nickels, and q quarters. How much, in cents, does Celia have? 60. The perimeter of a square is i inches. How long, in feet, is each side of the square? 63. Joan is f feet and i inches tall. How tall is she in inches?

How long is each side of the square? 87. The perimeter of a square is m meters. How long, in centimeters, is each side of the square? 66. A number decreased by 7 88. Jesse has n nickels, d dimes, and q quarters in his bank. How much money, in cents, does he have in his bank? 67. Five less than a number 68. A number subtracted from 75 89. Tina has c cents, which is all in quarters. How many quarters does she have? 69. The product of a number and 50 70. One-third of a number 90. If n represents a whole number, what represents the next larger whole number?

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Algebra for College Students , Ninth Edition by Jerome E. Kaufmann, Karen L. Schwitters

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