Basic Technical Mathematics, 11th Edition

Exercises 1.10, page 42

1. 1. $\hspace{0.17em}-\hspace{0.17em}9\hspace{0.17em},\hspace{0.17em}\hspace{0.17em}-\hspace{0.17em}15\hspace{0.17em},\hspace{0.17em}\hspace{0.17em}-\hspace{0.17em}36\hspace{0.17em},\hspace{0.17em}\hspace{0.17em}-\hspace{0.17em}4$ 

2. 3. ${\displaystyle \frac{1}{8}}$ 

3. 5. 9

4. 7. $\hspace{0.17em}-\hspace{0.17em}1$

5. 9. $\hspace{0.17em}-\hspace{0.17em}10$

6. 11. 20

7. 13. $\hspace{0.17em}-\hspace{0.17em}5$

8. 15. $\hspace{0.17em}-\hspace{0.17em}2$

9. 17. 4

10. 19. $\hspace{0.17em}-\hspace{0.17em}{\displaystyle \frac{7}{2}}$

11. 21. $\hspace{0.17em}-\hspace{0.17em}8$

12. 23. $\hspace{0.17em}-\hspace{0.17em}{\displaystyle \frac{2}{3}}$

13. 25. 4

14. 27. $\hspace{0.17em}-\hspace{0.17em}2.5$

15. 29. 0

16. 31. 8

17. 33. 11 or $\hspace{0.17em}-\hspace{0.17em}11$

18. 35. $\hspace{0.17em}-\hspace{0.17em}1$ or 4

19. 37. 9.5

20. 39. $\hspace{0.17em}-\hspace{0.17em}2.1$

21. 41. 5.7

22. 43. 0.85 

23. 45.

    1. Identity

    2. Conditional equation

24. 47. $x\hspace{0.17em}=\hspace{0.17em}3.75$

25. 49. $800

26. 51. $120\hspace{0.17em}°\hspace{0.17em}\text{C}$

27. 53. 750 gal

28. 55. $98\text{ kW}\hspace{0.17em}\cdot \hspace{0.17em}\text{h}$