1. Math

    The average of five number is 56. Four of the numbers are the same. The average of one of the four number and the fifth number is 80. What is the fifth number. 56*5=280 80*2=160 280-160=120 5/120=24 Is 24 correct?
  2. statistics

    I have just a couple questions I have trouble understanding... can someone please help me? The data below indicate the rankings of a set of employees according to class theory and on-the-job practice evaluations: Theory 1 7 2 10 4 8 5 3 6 9 Practice 2 8 1
  3. math

    A pitcher knows how to throw five different pitches. He threw four pitches before the last batter was called out. a) assuming he threw each pitch at LEAST once, determine the number of possible arrangements of his pitches. b) assuming that he can use any
  4. programing

    1. Elements – sequence-series outputting Write a program that prints the following elements: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, (hereto referred to as elements) etc., up till a user-entered value. The program should not print more than 10 numbers per
  5. math

    I am a 3 digits number less than 200. the tenths place is 2x more than the ones place. the number in the ones place is 2. what number am i?
  6. Math help plz

    How thick is a pile of paper? Find a relationship between the number of folds and the number of layers. Note your observations. Number of folds Number of layers 0 1 1 2 2 4 3 8 4 14 5 23 Plz help im so stuck on this question Are you sure 4 14 and 5 23 are
  7. math

    A trapizoid has a area of 33.6 and a height of 4 what is the sum of the b1 and b2?
  8. Math

    A is 2 years older than B. The sum of their ages is 24. How old is A and how old is B?
  9. Math

    Find two integers whose sum is 2 and whose difference is 8.
  10. math

    if the product of (2+3),(3+4), and (4+5) is equal to three times the sum of 40 and x, then x=what?
  11. maths

    find the sum of the 8th term of the G.P 6,9,12,15 and 18.
  12. algebra

    which equation matches the statement the sum of -4x and 2 is 9
  13. maths

    what is the solution ,find the sum of the first five terms of the g.p 2,6,18
  14. Math

    The sum of the angles of any triangle always equals ?
  15. algbra

    how do you write an equation for: the sum of 4y and 18 minus 2y is 0
  16. Math

    Find the sum of the first 8th of the series 1/2+1/3+2/9+...
  17. 4 grade math

    What is the sum of4/10 and 40/100
  18. Federic Chopin School

    For what values of n will the sum n+3 be less than 50?
  19. Math

    The quotient of 100 and the sum of b and 24 13 more than the product of m and 5
  20. 3rd grade

    i am greater than 30 and less than 40 the sum of my digits is less than 5
  21. math

    2+2^2 over 3 + 2^3 over 3^2+....... + 2^n+1 over 3^n. Express each sum using summation notation.
  22. math

    What is the sum of the arithmetic sequence 22, 13, 4 … if there are 28 terms?
  23. algebra

    Finde three consecutive integers such that the sum of the first and third is 16
  24. Math/fraction

    The sum of the numerator and denominator is 16
  25. math

    how can you check that the sum of 125+38+75 is 238
  26. math

    the sum of three even consecutive integers if the first integer is y.
  27. Math

    Explain how you can mentally find the sum of 3 2/3 + 4 1/5 + 1 1/3 + 2 3/5
  28. algebra

    what is the error in finding the sum? 3/10 + (-1/10) = 3+1/10 = 4/10 = 2/5 what is the correction?
  29. precalc

    Use Sigma Notation to write the sum [10-(1/10)^2]+[10-(2/10)^2]+[10-(3/10)^2]+[10-(4/10)^2]
  30. math

    For x>0, what value of x gives the least sum of x and its reciprocal? Show work.
  31. algebra

    the sum of 134 and h (as an algebraic expression )
  32. Math

    Find the Sum of the series: 11+23+35+47+...+179
  33. Math

    Find the sum of the geometric series. 10 1. Ó 5(2)^i - 1 i= 1 12 2. Ó 8(3/2)^i - 1 i= 1
  34. Calculus II

    Does 3/(2^(n) +1) diverge or converge in an infinite sum?
  35. algebra 2

    Express the sum in the simplest form. 3x/x+5 + 7/x+5
  36. Algebra2

    What is the sum of the first 10 terms of the sequence defined by an = 2n - 3?
  37. Math

    What is the sum of the first 40 consecutive odd numbers?
  38. Trig

    What is the sum of the arithmetic series where n=50 , t1=9 and t2=331
  39. math7A

    use benchmarks to estimate the sum or difference 4\5+8\9
  40. maths

    find the sum of the infinite series (2/9)^2-(2/9)^3+(2/9)^4-(2/9)^5+ ...
  41. math

    what fraction when added to 1 over 8 results in a sum of 1 over 4
  42. Math

    Expressions please help p less than 5 p greater than 10 9 times the sum of p and 6
  43. Precalculus

    Write the sum using sigma notation. -3/8 + 4/7 - 5/6 + 6/5 - 7/4+ 8/3
  44. Math

    What does it mean by, "The sum of three consecutive odd integers is 93."
  45. Math

    Is it reasonable to interpret -16 & + 11 have the sum of 5. If not please explain
  46. ALG 2

    27 + 9 + 3... Find the sum of the geometric series given
  47. math

    Reduce the sum to lowest term possible 7/15+7/15+2/15
  48. math

    find the sum of the 20th term a=6 and r=2/3
  49. Math

    Find three consecutive even integers whose sum is 60.
  50. algebra

    Find the sum by making a drawing. (2+3)+(5x+1)
  51. Algebra

    What is the expression for the quotient of 6 and the sum of 5 and y? My answer is 6 ---- 5 + y
  52. Math

    what is the sum of the interior angles of a quadrilateral?
  53. math

    it is less than 60 and greater than 55. if you add the digits, the sum is 13
  54. math

    it is greater than 30 and less than 40 add the digits the sum is 10
  55. math

    23 + 45 = 68 the sum is even Explain use word and / or numbers
  56. math

    the sum of the three digits in the billions period is 4
  57. st.paul

    the sum of the three digits in the billions period is 4
  58. math

    How do I find the sum of 256,14,632, and 25
  59. Math

    Can the sum of two mixed numbers be equal to 2. Also what does 21. 11/12 plus 17. 5/12.
  60. algebra 2

    find the sum of the arithmetic series 13+11+9+...+(-25)
  61. Math

    Which integer is equal to the product of -8 and the sum of 5 and -2? A) -24 B) -6 C) 6 D) 24
  62. Algebra

    Let f (x) = x^2 – 3x + 8 and g(x) = x – 5. Find the sum (f + g) (x) and simplify the results.
  63. ap

    in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
  64. calculus

    what is the quotient of the sum and difference of 370 and 25
  65. maths

    what is the sum of 13th and 56th term
  66. math

    the product of y and six exceeds three times the sum of y and four
  67. Arithmetic

    Find the sum. 1 − 1/2+1/4-1/8+....-1/512
  68. MATH

    GIVE AN EXAMPLE OF THE SUM OF 2 BINOMIALS THAT IS A BINOMIAL
  69. math

    translate to an algebraic edxpression the sum of x and q
  70. Stats

    Can you tell me what ∑xy means? Like is in the sum of all x times y or what?
  71. Algebra

    If t multiplied by the sum of x and 2y is divided by 4y, what is the result?
  72. maths

    divide 8 into two partssuch that the sum of their squares is 34
  73. math

    break apart the addends to find the a sum 18+26=
  74. Algebra II

    What is the sum of the geometric series 12 E 2(1/2)^x x=0 4 0 2 3 PLEASE HELP Urgent
  75. maths

    Find five numbers in A.P. whose sum is 12.5 and the ratio of first to the last is 2 : 3.
  76. math

    what sum will amount to rs 1116 in 4 years at 6%p.a.?
  77. math

    the largest integer that is not the sum of 2 or more different primes.
  78. geometry

    What is the sum of the angle measures of a 37-gon?
  79. Geometry

    Name at least four ordered pairs for which the sum of coordinates is -2.
  80. math

    the sum of 1 half + 1 fourth + 1 eith...
  81. math

    find the sum of the sequence 41+42+43+44+117
  82. math

    the largest integer that is not the sum of two or more different primes
  83. Math

    What is the sum of the infinite geometric series 15 + 15(1/3)+ 15(1/3)^2 + 15(1/3)^3?
  84. Mathematics

    What is the quotient when the product of 20 and 5 is divided by the sum of 20 and 5?
  85. math

    Determine the sum of the folowing series 2+6/7+18/49+...+2(3/7)^8
  86. geomtry

    Which is the sum of the interior angles of an octagon?
  87. math

    What is the sum of all of the positive divisors of 100?
  88. math

    estimate the range for the sum 9.65+30.1+5.835
  89. Algebra 1

    Find Each Sum Or Difference. Its addition. 3a+2b - 7c -4a+6b+9c -3a - 2b - 7c
  90. A.p.

    The sum of n terms of an a.p. Is 3n2+2n,then find its p'th term.
  91. Algebra

    Find the sum of the odd integers from 1 through 49.
  92. Math

    Which sum or difference is equivalent to the following expression? 5-3x --- 5 Is this 1 - 3x/5?
  93. Algebra 2

    Simplify the sum. (w2 + 2w – 24 + ) / (w2 + w – 30) (All the other help I can find they add +8w and -5w) please help.
  94. Math

    what is sum of 7 consecutive odd integers?
  95. math

    The difference between two numbers is 4 and their sum is -7. What is their product?
  96. Math

    Evaluate sum(n=2,n=infinity) ln(1-1/n^2) if it exists.
  97. math HELP PLS!

    using 4 fives, with any signs( +, -, /, x, etc.) sum to 24.
  98. Math

    What is a shortcut for finding the sum of all numbers from 1-99?
  99. Calculus

    What is the sum of all the odd #s between 100 & 200??
  100. Math

    Use benchmarks to estimate each sum or difference. 4/5 + 8/9 a. about 1 1/2 b. about 1 3/4 c. about 1 8/9 -------- d. about 2