1. math

    If 3 times a positive number is added to the half of its square the result is 8 find the number
  2. Alg 2

    Hello All, I am stuck on this question for homework, help appreciated ( I really only need the answer to number one) A new high school opened seven years ago. The number of members, M, in the high school marching band can be modeled by where y is the
  3. stats help!

    suppose the number of customer complaints per day on the morning shift (6am-12) at Murph's Coffee is distributed as follows: Complaints f(x) 0 .3 1 ??? 2 .2 a) what is the value of ??? b)what is the average number of complaints per day on the morning
  4. Math Modeling

    How is the number of cars and other vehicles changing over time? You may need to model these using different types of vehicles. i'm suppose to develop an equation for the number of cars being produced over time. i found out the number of cars that was
  5. math

    The scatterplot shows the number of minutes spent reading (x) and the number of pages read (y) by each of seven students last night. Use the labeled points to create a linear model that predicts the number of pages that a typical student reads in x
  6. math

    Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called
  7. Algebra

    Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called
  8. Algebra

    Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called
  9. Algebra

    Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called
  10. Math

    To begin a bacteria study, a petri dish had 1500 bacteria cells. Each hour since, the number of cells has increased by 7.1%. Let t be the number of hours since the start of the study. Let y be the number of bacteria cells. Write an exponential function
  11. Mathematics - Cardinal Number

    Hi, This is a really easy question. I think I am analyzing it too much: Find the cardinal number of the following set: {1,3,5,.....1001} Thanks in advance. Ok, the cardinal number is the numbe of members of a set. The set you've given us the first xxx odd
  12. statistics

    A salesperson has found that the probability of making various numbers of sales per day is presented in the following table. Calculate the expected number of sales per day and the standard deviation of the number of sales. Number of sales(Probability)
  13. math

    Need to find the real number. Someone performed a trade of 20,000 less than it made, this caused a negative trade balance. To represent the quanity as a real number when I know that a positive real number names the points to the right of 0 on the number
  14. math

    Graysen has a green number cube and a white number cube. the faces of the cubes are numbered 1 through 6. Graysen will roll each cube one time, what is the probability that the green cube will land with even number face up and the white cube will land with
  15. math

    Graysen has a green number cube and a white number cube. The faces of the cubes are numbered 1 through 6. Graysen will roll each cube one time. what is the probability that the green cube will land with an even number faceup and the white cube will land
  16. Finance (Engineering Economics)

    You wish to retire at 60 and, at the end of each month thereafter for 25 years, to receive $6,000. Assume that you begin making monthly payments into an account at age 23 and continue these payments until age 60. If the annual interest rate is constant at
  17. Math

    Which of the sentences below could represent 4 ÷ p = 2? A. Four divided by two is equal to a number. B. Four divided by a number is equal to two. C. A number divided by four is equal to two. D. Four times a number is equal to two.
  18. Algebra

    Based on The census state a has 15 fewer electoral votes for president Than b. if the total number of electoral votes for these two states is 87 find the number for each state X represents the number of electoral votes in state b. Then let X -15 represents
  19. math

    the spinner shown to the right has 8 equal sized sections labeled 1 through 8 place the probability of each outcome described below on the number line identify each outcome as likely unlikely or neither likely nor unlikely 1. arrow lands on 8 2. arrow
  20. PHYSICS

    Express following measurements in scientific notation. 1. a) 5800 m I don't even get what scientific notation is. In my book its ays, that in Scientific notation, the numerical part of a measurement is expressed as a number between 1 and 10 multiplied by a
  21. chemistry

    1)The element nickel has ccp packing with a face-centered cubic unit cell. The density of nickel is 8900 kg/m3 and the cell volume is 4.376 x 10-23 cm3. Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the
  22. Physics

    Find the magnitude of the sum of two forces, one 24 N and the other 9 N, when the angle between them is 60.0o.
  23. Arithemetic progression

    For any series 5+7+9+.....the sum of how many terms will be 480 ?
  24. Math

    Can the sum of two mixed numbers be equal to 2? Explain why or why not.
  25. Math's

    Please can you help me answer there questions? You have to do the sum's in the bracet's first. 2 (4a+7) 3 (2f+B) 5 (7+2x) 6 (2b-6) 12(6q-4) Thank's for helping!
  26. Math

    Translate two thirds of the sum of r and 9 plus the product of 8and s
  27. math

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

    The sum of three consecutive multiples of 3 is 36. The smallest of the three will be.....? answer is 9
  29. math

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

    Find the sum of the first 15 terms of the geometric sequence. ∞ Σ 3n − 1 n = 1
  31. arithmetic

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

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

    Write the following into sum or difference. Log (axb)
  34. algebra

    serenity is 13 years old than chase. the sum of their ages is 27. how old are they?
  35. math

    Find the mininum product of two numbers whose sum is 55
  36. math

    serenity is 13 years old than chase. the sum of their ages is 27. how old are they?
  37. algebra

    I need to solve this and am not sure how to approach?Do I first find for the sum of the first 2 terms? (x-2)/(x) + (1/2)= (x+1)/(x-2)
  38. Math

    Is the sum of 425 and 390 less than or greater than 800. How do you know?
  39. SCIENCE

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

    Find all sets of four consecutive even whole numbers whose sum is less than 35
  41. Geometric progression

    Fin the sum of the series 1+2+4+8+....to 12 terms.
  42. Pre-Cal

    Find a power series whose sum is: (a) 5 / (1-3x) (b) 9 / (1-4x) (c) 6 / (2-4x)
  43. Calculus-PLZ HELP! =)

    does the sum 3/(2^(n)-1) converge or diverge? n=1--->infinity
  44. math

    how can you determine whether a sum of several numbers such as 13plus45plus24plus17 is even or odd?
  45. Algebra 3

    find the sum of each finite arithmetic series 8+9+10+...+15
  46. maths

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

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

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

    Find the sum (assume |x| < 1/3): 1+3x+9x^2+27x^3+81x^4+...=?
  50. algebra

    Find the sum: -15+4+(-10) 22+(-4)-15 Can you show me work too I think that'll help me understand better.
  51. a.p.

    the sum of n terms of an a.p. is 3n^2+2n, then find its pth term. (answer 6p-1)
  52. Algebra 2

    Find the sum of the infinite series 1/3+1/9+1/27+... if it exists
  53. math

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

    1. Write the expression in symbols. The sum of 5u and v A) u + 5v B) 5u/v C) 5uv D) 5u + v
  55. a.p.

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

    the sum of the angles in a triangle is 180 degrees. if A:B:C = 2:3:3, what is C-A?
  57. 5th grade

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

    Use a sum formula to show that cos(2u)=2sinucosu
  59. maths

    find the sum of the first 12th terms of the sequence 8, 5, 2 ......
  60. math

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

    for a sum of 10.1955 do I round up or leave it as is
  62. Math

    How can Steve add 48+34 by making a ten what is the sum
  63. Geometric progression

    Find the sum upto infinite: 2/5+3/5>2+2/5>3+3/5>4+2/5>5+3/5>6+.....
  64. Geometric progression

    Find the sum to the n terms: 5+55+555+.......
  65. Math

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

    What is the 5th of 9 consecutive whole numbers whose sum is 153 is what?
  67. math

    Estimate then find the sum of 94903+49995
  68. MAth

    Subtract 4ab3 from the sum of 10ab3 and 2ab3.
  69. algebra 1

    The sum of two consecutive even integers is -34 . What is the smaller integer?
  70. maths

    Find the sum and product of the roots of the following equation. x^2 - 4x + 1 = 0
  71. 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?/
  72. Math

    Write an equation. The sum of 2 consecutive integers 48.
  73. Math

    Write an equation. The sum of 2 consecutive integers 48.
  74. math

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

    Use induction to prove the sum of the first n odd numbers, or 1 + 2 + 3 +....+ (2n 1) = n^2
  76. maths

    divide the sum of 13/5 and -12/7 by the product of -31/7 and 1/-2 and add the result to (-2/3-1/3)
  77. 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
  78. math

    What is the angle sum of a regular polygon with 7 sides
  79. mathematics

    how many terms in the series 18-16-13-....must be added to give a sum of 44?
  80. Algebra 1

    Find Each Sum Or Difference. (13x + 9y) - 11y
  81. 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
  82. Albebra

    2 dice are rolled.What is the probability that neither both numbers are 2's or their sum is less than 6?
  83. statistics

    The sum of the measures of all angles in any 10-gon is how many degrees?
  84. math

    find two numbers in the ratio of 2 to 5 that have a sum of 119.
  85. algebra

    the sum of n terms of the series 1²/1 + (1²+2²)/2 + (1²+2²+3²)/3.....is A) (n/36)(4n²+15n+17) B)(n/6)(n+1)(n-1) c) (n²+3n+20) D) none
  86. 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)
  87. Math

    Rounded to the nearest ten I am 40. the sum of my digits is 11.. What is it?
  88. math

    find the sum of the integers between 2 and 100 which are divisible by 3
  89. Math

    Determine the sum of the infinite geometric series 28 + 14/3 + 7/9 + 7/54 ?
  90. math

    Find three consecutive odd integers whose sum is -33.
  91. Math

    Write an algebraic expression for: the quotient of 0.5 and the sum of q and 2
  92. math

    sum of 3 consecutive integers, n=middle integer of 3
  93. algebra

    The sum of three consecutive even integers is 54. What is the middle integer .
  94. Algebra 2

    How do you find the sum of the infinite geometric series: a1 = -5, r = 1/6?
  95. math

    at what rate of interest a certain sum will be doubled in 8 year?
  96. math

    sum of 1 to 198 odd positive intigers
  97. Math

    When rolling two dice, what is the probability that the sum is 7 given that one die is a 5?
  98. algebra 2

    what is the sum of the first 11 terms of the arithmetic series in which asub one = -12 and d=5
  99. Please Help ! Calculus

    Find two numbers whose sum is 42 and whose product will be at the largest possible.
  100. Maths(URGENT pls!!!)

    Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6)