Basic Technical Mathematics, 11th Edition

Practice and Applications

1. 5. 0.28

2. 7. 1.5

3. 9. 3.1417

4. 11. 4.8

5. 13. ${\mathrm{8.36 lb/in.}}^2$

6. 15. 2260 J/g

7. 17. 4.5%

8. 19. ${\displaystyle \frac{a\hspace{0.17em}+\hspace{0.17em}b}{b}}\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{a}{b}}\hspace{0.17em}+\hspace{0.17em}{\displaystyle \frac{b}{b}}\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{a}{b}}\hspace{0.17em}+\hspace{0.17em}1\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{c}{d}}\hspace{0.17em}+\hspace{0.17em}1\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{c}{d}}\hspace{0.17em}+\hspace{0.17em}{\displaystyle \frac{d}{d}}\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{c\hspace{0.17em}+\hspace{0.17em}d}{d}}$

9. 21. 92 mi

10. 23. $2.82\hspace{0.17em}\times \hspace{0.17em}{10}^6\text{ J }\hspace{0.17em}=\hspace{0.17em}2.82\text{ MJ}$

11. 25. 240

12. 27. 310 mL

13. 29. 71.9 ft

14. 31. 4500, 7500

15. 33. 30.2 kg

16. 35. 115 bolts, 207 bolts

17. 37. $y\hspace{0.17em}=\hspace{0.17em}3x^2$

18. 39. $v\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{128x}{y^3}}$

19. 41. 11.7 in.

20. 43. 10 cm

21. 45. $R\hspace{0.17em}=\hspace{0.17em}0.94A$

22. 47. 1500 bacteria/h

23. 49. $F\hspace{0.17em}=\hspace{0.17em}{\displaystyle \frac{5500}{L}}$

24. 51. 2.22s

25. 53. 96 ft/s

26. 55. $4.3\mu \text{C}$

27. 57. 22.5 hp

28. 59. 144 ft

29. 61. 1.4

30. 63. 48.7 Hz

31. 65. $2.99\hspace{0.17em}\times \hspace{0.17em}{10}^8\text{ m/s}$

32. 67. 5940 lb

33. 69. 3.26 cm

34. 71. 78 m

35. 73. 150 ft

36. 75. 150%

37. 77. $125.00, $600.13

38. 79. 4800 Btu

39. 81. ${\mathrm{0.023 W/m}}^2$