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3-2t %3D 5t-15 t+2 10. 3t-9 19-t 15-t b. 15 (-3) 3t+8 5-t a. 15(t-3) C. 15 (t-3) 8(t-3)

3-2t %3D 5t-15 t+2 10. 3t-9 19-t 15-t b. 15 (-3) 3t+8 5-t a. 15(t-3) C. 15 (t-3) 8(t-3)

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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7-4 r-4 t+2 3-2t 10. 3t-9 5t-15 19-t 15-t b. 15 (t-3) 3t+8 a. 15(t-3) C. 15 (t-3) 5-t d. 8(t-3) 3x+2 11. 4х-5 x-1 %3D 5-4x x+1 a. x-5 2x+3 b. 4х-5 4x+1 C. 4x-5 2x+1 d. 4x-5 T-1 12. r2-r-2 T-2 %3D r2-4 2r? -4 2 a. (r-2)(r+2)(r+1) b. r-1 C. r+1 d. (r+2)(r+1) For items 13-14, solve the following equation. 4 8. 13. + %3D x(x+3) x+3 a. x = 9 b. x = ? C. x = –Z d. x = – 6. x+1 14. **1 2 = -4 %3D 5. a. x = 2 or 3 b. x = 3 or 4 C. x = 4 or 5 d. x = 5 or 6 For item 15, solve the problem. 15. It takes Liza 2 hours to mow her lawn. It takes Arlene 3 hours to mow the same lawn. At the same pace, how long would it take them to mow the lawn if they do the job together? a. 23 b. 15 c.1. d. 2 hours 2 hours hours hours 11
Transcribed Image Text:7-4 r-4 t+2 3-2t 10. 3t-9 5t-15 19-t 15-t b. 15 (t-3) 3t+8 a. 15(t-3) C. 15 (t-3) 5-t d. 8(t-3) 3x+2 11. 4х-5 x-1 %3D 5-4x x+1 a. x-5 2x+3 b. 4х-5 4x+1 C. 4x-5 2x+1 d. 4x-5 T-1 12. r2-r-2 T-2 %3D r2-4 2r? -4 2 a. (r-2)(r+2)(r+1) b. r-1 C. r+1 d. (r+2)(r+1) For items 13-14, solve the following equation. 4 8. 13. + %3D x(x+3) x+3 a. x = 9 b. x = ? C. x = –Z d. x = – 6. x+1 14. **1 2 = -4 %3D 5. a. x = 2 or 3 b. x = 3 or 4 C. x = 4 or 5 d. x = 5 or 6 For item 15, solve the problem. 15. It takes Liza 2 hours to mow her lawn. It takes Arlene 3 hours to mow the same lawn. At the same pace, how long would it take them to mow the lawn if they do the job together? a. 23 b. 15 c.1. d. 2 hours 2 hours hours hours 11
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