1. Math

    How can Steve add 48+34 by making a ten what is the sum
  2. Math

    Translate two thirds of the sum of r and 9 plus the product of 8and s
  3. a.p.

    find the sum of n arithmetic means between x and 3x. (answer 2nx)
  4. Trig

    What is the sum of the arithmetic series where n=100 , t1=7 and t2=205
  5. math

    divide the sum of 65/12and12/7by their difference.
  6. trig

    write sin4xcos2 as the sum or difference of two functions.
  7. Algebra

    Two numbers whose sum is 30 and product is 8800? How do I find that?
  8. 6 grade math

    Estimate a range for each sum example 7.42+13.97+101.2
  9. maths

    Find the sum and product of the roots of the following equation. x^2 - 4x + 1 = 0
  10. Algebra help please!

    Write the sum of the two vectors as an ordered pair. (6,-5) and (3,3) A. (-,-2) B. (6,1) C. (1,6) D. (-2,9)
  11. Math

    The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.
  12. math

    Find the sum of the following series up to 9th term: 2√3+9÷√3+12÷√3+....
  13. Math

    find the sum of the numbers from 1 to 200 inclusive
  14. maths

    Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
  15. math

    find 3 consecutive integers such that the sum of the twice the first and the third is 748.
  16. algebra

    (5t-6c+4)+(-8t+9c) find the sum and express it in simplest form
  17. math

    what does my homework mean if it says find the range to estimate each sum
  18. Further math

    If the sum of the first n terms of the series 4 + 7 + 10 + ... is 209, find n.
  19. 7th grade math

    identify a value of x for which sum of 3+x is positive
  20. math

    If the sum of n terms of the series 4+7+10+... is 209, find n
  21. 8th grade math

    If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?
  22. math

    Find three even consecutive integers such that the sum of the first two exceeds the third by 16.
  23. maths

    Calculate S20 if the sum of the squares of the first integers is given by Sn=n(n-1)(2n+1)/6
  24. math

    without adding, how do you know that the sum of 36.179 and 8.63 will have a 9 in the thousandths place?
  25. Math

    When I am rounded to the nearest ten, I am 50. The sum of my digits is 13. Who am I?
  26. Math

    How do I write the equation for this: sum of ten and nineteen
  27. math

    choose all the expressions with a sum greater than 10. 5.3 + 4.99 6.12 + 3.09 2.08 + 7.9 4.8 + 5.9 3.46 + 6.009
  28. HSM/220

    How do I increase a fixed sum by 50% properly?
  29. Algebra

    Subtract (5x²-6x+4) from the sum of (-3x²+3x+1) and 2x²-5x+7)
  30. Algebra 1

    Which sum of difference is equivalent to the following expression? 2x + 3 ______ 4 a.) x/2 + 3/4 b.) x/2 - 3/4 c.) 3x/4 + 3/4 d.) 8x + 24 I think it's either a or d, please help me.
  31. math

    Find the sum of the arithmetic progression 4 + 9 + 14 + 19 + …….94 + 99 + 104
  32. English

    What part of speech is "cogito, ergo sum"
  33. rutgers

    how do you get a standard deviation of 1.04563 when the sum of x=238, n=25 and the mean is 9.52
  34. math

    Find two consecutive odd integers whose sum is 56.
  35. math

    Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!
  36. Math

    Find three consecutive even integers whose sum is 252
  37. Please Help ! Calculus

    Find two numbers whose sum is 42 and whose product will be at the largest possible.
  38. math algebra

    what are 4 consecutive integers whos sum is -2
  39. Math

    Add express each sum in simplest form 1 1/4 + 2 2/5
  40. Math

    How you solve this in inequality form? Six less than or equal to the sum of 4 and -2x.
  41. Math

    Use a sum formula to show that cos(2u)=2sinucosu
  42. math

    find two numbers whose product is N^2 and whose sum is a minimum
  43. math

    choose all the expressions with a sum greater than 10. 5.3 + 4.99? 6.12 + 3.09 2.08 + 7.9 4.8 + 5.9 3.46 + 6.009
  44. Physics

    Find the sum of vectors A=5m<60degree and B=6m<130degree
  45. calculus

    Find the sum of the series: 10 + 14 + 18 + 22 +...+138 and 6-12+24-48+96-...+1536
  46. algebra

    what is the algebraic expression for the following word phrase: the sum of 6 and n ? a) 6 - n b) 6 + n c) n - 6 d) n + 6
  47. math

    show how you can make a ten to find the sum 9+7=
  48. Math

    show the make -a- ten fact you used with sum?
  49. Algebra 2

    What would happen to the sum of a geometric series if the ratio was 1?
  50. 5TH grade math

    estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?
  51. math

    Sum of 2 numbers is 1 and their product is 1/8. Find their difference.
  52. maths

    find all possible pairs of two natural no whose sum is 77 and their gcd is 7
  53. Math

    Can the sum of two mixed numbers be equal to 2? Explain why or why not.
  54. math

    What is the angle sum of a regular polygon with 7 sides
  55. algebra - theory of numbers

    Sum of divisors ofN
  56. Statistics

    If two dice are rolled, what is the probability that the sum of the numbers is at least 8?
  57. arithmetic

    The sum to t of an Arithmatic Sequence is 1/2 t(5t-1).Determine the k term
  58. Math

    express 53 as the sum of 4 or less perfect squares please help me solve, thanks!
  59. 7th grade math

    add t and m. how much greater than w is the sum?
  60. Math

    Is the sum of 425 and 390 less than or greater than 800. How do you know?
  61. Maths,

    A certain is to be shared among three brothers ,one of them gets 2/5 of it,another gets 1/4 of it and the third one gets #2.10k. How much is the sum of money?
  62. trig

    find the sum of all integers n from 300 to 400.
  63. Calculus

    Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.
  64. english

    the sum of many parts that starts with a c and eands with an o and has an L in the middle
  65. Calculus

    Show that the sum of the series ∑n(p^n) from n=1 to infinity (where 0<p<1) is S=p/(1-p)^2
  66. math

    Estimate then find the sum of 94903+49995
  67. Math

    What is the sum of all prime numbers less than 500 with only 3s and 4s as digits
  68. maths

    Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7
  69. Math

    what is the sum of the solutions of the equation |2x-7|=11? A) -9 B) -7 C) 5 D) 7 E) 9 ***What is the most efficient way to solve this?
  70. 5th grade

    How do i find the sum and simplest form of 1-8/9.
  71. geometry

    the sum of a polygon with(2n-3) sides is 62 righht angles
  72. Match

    Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!
  73. algebra

    How do I find out the sum of the first 38 terms of the sequence using 4,8,2,6,2,4,8,2,6,2... I am confused.
  74. mathematics

    how many terms in the series 18-16-13-....must be added to give a sum of 44?
  75. math

    Find the sum of 2 1/2 and 3 1/3 B) Subtract your answer in part (A) from 9
  76. a.p.

    the sum of n terms of an A.P. is 3n^2+2n, then find its n th term. answer-we know that tn=s(n)-s(n-1) =(3n^2+2n)-[3(n-1)^2+2(n-1)] =(3n^2+2n)-[3n^2-6n+3+2n-2] =3n^2+2n-[3n^2-6n+2n+3-2] =3n^2+2n-(3n^2-4n+1] =3n^2+2n-3n^2+4n-1 =6n-1 ans
  77. SCIENCE

    HOW MANY TERMS OF GP 1,2,4,8..... GIVE A SUM GREATER THAN 500.
  78. math

    express the sum of difference in simplest form 1-1/6-11/18=
  79. Math

    use rounding or compatible numbers to estimate the sum 5 x 2 3/5
  80. maths-urgently

    let y = 3x+ 10 - x^2, where x and y are positive whole no. find sum of all possible values of y.
  81. Math

    Hi I have to add and express each sum in simplest form can you please help me
  82. Math

    7 is subtracted from the quotient of 48 divided by sum of 5 and difference of 11 and 8
  83. math

    find the sum of each arithmetic series (a)5+8+11+....to 20 terms
  84. Algebra

    Is it possible to factor a sum of two squares by using real numbers?
  85. math

    Find the sum of the first 15 terms of the geometric sequence. ∞ Σ 3n − 1 n = 1
  86. MONGU COLLEGE

    1.Determine the sum of infinity of the series 4,2,1
  87. Algebra 2

    5+(-5/2)+(5/4) Sn=189 Find n for the given sum if the geometric series
  88. Math

    If (3-x)+(6)+(7+5x) is a G.P.Find two possible values for x,common ratio,sum of the g.p.
  89. math

    Find two different sets of factors of 72 where: a. sum of 18 b difference of 21
  90. Math

    When rolling two dice, what is the probability that the sum is 7 given that one die is a 5?
  91. Polynomials

    can someone show me how to do the sum, difference and product for this problem
  92. 11th grade math

    find the sum of -2 plus 3i and -1 minus 2i ..........im not sure how to do it can anyone help me out?/
  93. Math

    The sum of two decimals is 100. Their difference is 18.50. What are the numbers?
  94. maths

    find the sum of the first 12th terms of the sequence 8, 5, 2 ......
  95. math - analytic geometry

    the sum of the distances of p(x,y) from (0 -3) and (0 3) is equal to 10.
  96. maths

    Find all possible pairs of two natural numbers whose sum is 77 and their g.c.f is 7
  97. Math

    Find the sum of a geometric series for which a1=1,r=2,and n=6. Sn=a1(1-r^n)/1-r S6=1(1-2^6)/1-2 S6=1(1-64)/1-2 S6=63/1 63 (answer)
  98. ICT

    write an algorithm to find the sum of two numbers
  99. algebra

    The sum of three consecutive even integers is 54. What is the middle integer .
  100. math

    What would the expression be if the problem was "the sum of four consecutive numbers." ?
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