Elementary and Intermediate Algebra , Third Edition (with by Charles P. McKeague

By Charles P. McKeague

Algebra is available and fascinating with this well known textual content from Charles "Pat" McKeague! basic AND INTERMEDIATE ALGEBRA is infused with McKeague's ardour for instructing arithmetic. With years of lecture room event, he is aware find out how to write in a fashion that you'll comprehend and relish. McKeague's recognition to aspect and particularly transparent writing sort assist you to maneuver via every one new inspiration comfortably. Real-world functions in each bankruptcy of this elementary e-book spotlight the relevance of what you're studying. And learning is simpler than ever with the book's multimedia studying assets, together with CengageNOW for uncomplicated AND INTERMEDIATE ALGEBRA, a customized on-line studying spouse.

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2 3. Ϫ4 J 4. Ϫ3 J 5. 5 6. 5 8 8. ᎏ 3 9 4 7. ᎏ J fraction with denominator 24. 5 10. ᎏ 6 1 11. ᎏ 2 1 12. ᎏ 8 ϪΗ Ϫ7 Η 3 15. ᎏ 5 5 16. ᎏ 12 11 17. ᎏ 30 9 18. ᎏ 10 1 ϭ ᎏ 20. ᎏ 5 10 5 ᎏ ϭ ᎏ 9 45 22. 2 ᎏ ϭ ᎏ 5 45 23. 3 ᎏ ϭ ᎏ 4 8 24. 1 ᎏ ϭ ᎏ 2 8 2 40. Ϫ ᎏ 3 1 Ϫᎏ 3 3 41. Ϫ ᎏ 2 3 Ϫᎏ 4 8 42. Ϫᎏᎏ 3 17 Ϫᎏᎏ 3 Simplify each expression. 43. Η 8 Ϫ 2 Η 44. Η 6 Ϫ 1 Η 45. Η 5 и 23 Ϫ 2 и 32 Η 46. Η 2 и 102 ϩ 3 и 10 Η J 47. Η 7 Ϫ 2 Η Ϫ Η 4 Ϫ 2 Η 48. Η 10 Ϫ 3 Η Ϫ Η 4 Ϫ 1 Η 10 Ϫ Η 7 Ϫ 2(5 Ϫ 3) Η 1 ᎏ (3) 2 4 3 57.

Write an expression using the numbers Ϫ35, 15, and 20 to describe this situation and then simplify it. 84. Altitude Change An airplane flying at 10,000 feet lowers its altitude by 1,500 feet to avoid other air traf- Recall that the word difference indicates subtraction. fic. Then it increases its altitude by 3,000 feet to The difference of a and b is a Ϫ b, in that order. Write a clear a mountain range. Write an expression that numerical expression that is equivalent to each of the describes this situation and then simplify it.

On land- 63. Subtract 4 from Ϫ7. ing it drops 8°F. Write an expression using the numbers 73, 10, and 8 to describe this situation. 64. Subtract 5 from Ϫ19. What is the temperature inside the shuttle on land- 65. Subtract Ϫ8 from 12. ing? 66. J Subtract Ϫ2 from 10. 67. Subtract Ϫ7 from Ϫ5. 68. Subtract Ϫ9 from Ϫ3. 69. Subtract 17 from the sum of 4 and Ϫ5. 70. Subtract Ϫ6 from the sum of 6 and Ϫ3. 83. Gambling A man who has lost $35 playing roulette in Las Vegas wins $15 playing blackjack. He then loses $20 playing the wheel of fortune.

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