Basic College Mathematics, Second Edition - download pdf or read online

By Julie Miller

Uncomplicated collage arithmetic deals a clean method of the conventional content material of the direction. offered in worktext layout, easy collage arithmetic specializes in uncomplicated quantity talents: operations and problem-solving with complete numbers, fractions, and decimals. different issues comprise geometry, dimension, ratios, proportions, percents, and the true quantity process (with an creation to algebra). The textual content displays the compassion and perception of its skilled writer staff with beneficial properties constructed to deal with the categorical wishes of developmental point scholars.

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Extra resources for Basic College Mathematics, Second Edition

Sample text

6 7 8 9 Start here. To check the result, we can use addition. qxd 6/20/08 8:29 PM Page 22 BASIC— 22 Chapter 1 Whole Numbers Skill Practice Example 1 Subtract. Check by using addition. 1. 11 Ϫ 5 2. 8 Ϫ 0 3. 7 Ϫ 2 4. 5 Ϫ 5 Subtracting Whole Numbers Subtract and check the answer, using addition. a. 8 Ϫ 2 b. 10 Ϫ 6 c. 5 Ϫ 0 d. 3 Ϫ 3 Solution: a. 8 Ϫ 2 ϭ 6 because 6ϩ2ϭ8 b. 10 Ϫ 6 ϭ 4 because 4 ϩ 6 ϭ 10 c. 5 Ϫ 0 ϭ 5 because 5ϩ0ϭ5 d. 3 Ϫ 3 ϭ 0 because 0ϩ3ϭ3 2. Subtraction of Whole Numbers When subtracting large numbers, it is usually more convenient to write the numbers vertically.

2. Define the key terms. a. Difference b. Subtrahend c. Minuend Review Exercises For Exercises 3–5, add. 3. 330 ϩ 821 4. 6. Circle the true statement: 7. Circle the true statement: 14 7 21, 14 6 21 5. 782 21 ϩ 1046 46 804 ϩ 49 8. Write the inequality in words: 0 6 10, 0 7 10 22 6 25 Objective 1: Introduction to Subtraction For Exercises 9–14, identify the minuend, subtrahend, and the difference. 9. 12 Ϫ 8 ϭ 4 12. 32 Ϫ 2 ϭ 30 10. 6 Ϫ 1 ϭ 5 11. 21 Ϫ 12 ϭ 9 13. 14. 9 Ϫ6 3 17 Ϫ 3 14 For Exercises 15–18, write the subtraction problem as a related addition problem.

9384; hundreds 16. 8363; hundreds 17. 8539; hundreds 18. 9817; hundreds 19. 34,992; thousands 20. 76,831; thousands 21. 2578; thousands 22. 3511; thousands 23. 9982; hundreds 24. 7974; hundreds 25. 109,337; thousands 26. 437,208; thousands 27. 489,090; ten-thousands 28. 388,725; ten-thousands 29. In the first weekend of its release, the movie Spider-man 3 grossed $148,431,020. Round this number to the millions place. 30. The average per capita personal income in the United States in a recent year was $33,050.

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