Acoustics Presentation

Topics: Geometric progression, Series, Mathematical series Pages: 14 (765 words) Published: January 27, 2014
Solutions

1. Mixture Problems:

2. Value of the Original Fraction:

3. Value of Numerical Coefficient:

4. Geometric Series:

5. Simplify:

6. Mean Proportion:

7. Value of x to form a geometric progression:

8. Value of x:

9. Work Problem:

10. Value of the original number:

11. Sum of the roots:

A = 5, B = -10, C = 2

12. Work Problem:

13. Value of m:

14. Age Problem:
SubjectPastFuture
Beth BB+5
AnaB+5B+10

15. Coefficient of the term:

16. Time it takes to fill the tank:

17. Work Problem:

18. Thickness of the folded paper:

19. Work Problem:

20. Rate Problem:

21. Clock Problem:

22. Age Problem:

23. Total value of the estate:

24. Rate Problem:

25. Square of the cube:

26. Work Problem:

27. Average profit:

28. Clock Problem:

29. Harmonic Progression:

30. Remainder Theorem:

31. Age Problem:

32. Consecutive integers:

33. Level Problem:

34. Digit Problem:

35. Work Problem:

36. Arithmetic Progression:

37. Remainder Theorem:

38. Value of w:

39. Number Problem:

40. The 1st term:

41. Value of x:

42. Work Problem:

43. Sum of all even integers:

44. Sum and Product of Roots:

45. Digit Problem:

46. Work Problem:

47. Value of x:

48. Sum of all odd integers:

49. Progression:

50. Geometric Progression:

51. Solve for x:

52. Fraction Transformation:

53. Value of x:

54. Logarithm of 1 to any base:

55. Equation of roots:

56. Sum of the coefficients:
Substitute x =1 but subtract (-1)20

57. Solving for x:

58. Summation:

59. Value of K:

60. Cube of the equation:

61. Factors of a2 – x2:

62. Value of x:

63. Equation of the relation:

64. Value of x:

65. Time it takes to fill the empty tank:

66. Time it takes Rellenar to do it alone:

67. Days it takes to finish the job:

68. Value of a number:

69. Area of the new triangle:

70. Arithmetic mean of the remaining numbers:

71. Significant figures:
0.0031 has two significant figures

72. Distance that the plane will travel:

73. Age problem:

74. Mixture problem:

75. Clock problem:

76. Price of the book:

77. Roman Numerals:
MMDCCLXIII = 2000+600+100+60+3 = 2763

78. Arithmetic Progression:

79. Sum of Series of numbers:

80. Harmonic Progression:

81. Value of x:

82. Fraction conversion:

83. Sum of imaginary numbers:

84. Length of vector:

85. Number of workers:

86. Value of the numbers:

87. Value of x:

88. Total number of Spheres in the pile:

89. Value of the remainder:

90. Factor of the expression:

91. Age Problem:

92. Natural logarithm:

93. – 97. Terms:

98. Sum of the coefficients:
Substitute x = 1 y = 1 and z = 1
Sum of the coefficients = (1+1-1)8
Sum of the coefficients = 18
Sum of the coefficients = 1

99. Value of the numbers:

100. Sum of the exponents:

101. Value of x:
4 + 4x = 124 + 4x = 12
4x = 84x = -16
x = 2x = -4

102. – 155. Terms:

156. Smallest possible value of the number:

157. Percentage:

158. Sum of the coefficients:

159. Value of x when y = 1:

160. Value of 2x – 1:

161. Least Common Factor:

10 = 2 x 532 = 25
L.C.M. = 2

162. Arithmetic mean of the remaining numbers:

163. Value of x:

164. Value of logarithm of a number:

165. Geometric Expression:

166. 7th term of the series:

167. Sum of the roots of the equation:

168. Infinite...
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