1. college

    Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Further suppose that the number of cars driven on 1st Avenue can be modeled

    asked by Jeffery on February 19, 2010
  2. Math

    The ratio of guppies to angelfish in the shop was 2:5. The number of angelfish was 2/3 the number of goldfish. The shopkeeper decides to replace 1/2 of the guppies with some angelfish. The number of angelfish she added was equal to the number of guppies

    asked by Anonymous on March 16, 2016
  3. Statistics

    Please help me figure them out. 1. In the 105th Congress, the Senate consist of 55 Republicans and 45 Democrats. If a committee is formed by randomly selecting four different senators, what is the probability that they're all Republicans? 2. It's common

    asked by David on December 5, 2006
  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

    asked by tefo sello on October 3, 2014
  5. Calculus

    A popular search engine is targeting European countries where the number of online households is expected to grow at a steady rate. Data was taken over time, and it was found that the number of online houses (in millions) projected can be modeled by the

    asked by Wiz on April 16, 2013
  6. Math

    Which is a good comparison of the estimated sum and the actual sum of 7 7/8 + 2 11/12? A. Estimated < actual B. Actual> estimated C. Actual = estimated D. Estimated < actual I chose D

    asked by Hero on February 6, 2014
  7. precalculus

    A bacteria culture initially contains 1500 bacteria and doubles every half hour. a) Find an expression for the number of bacteria after t hours. Q(t)= b) The number of bacteria after 20 minutes is (the answer must be an integer) c) The number of bacteria

    asked by josh on March 2, 2011
  8. Algebra 1

    Can someone help me I really don't get this one The table shows the number of trolley buses in operation in the United States during certain years. Describe the rates of change in the number of buses during the time period. (Table) Year 1980 1985 1990 1995

    asked by KATIE on November 1, 2013
  9. chemistry

    how do you determine if the atom is a neutral atom or an ion and if the atom is an isotope or not? It is neutral if the number of protons in the nucleus = the number of electrons in the outside shells. More or fewer electrons means it is an ion. An isotope

    asked by h on October 17, 2006
  10. algebra 1

    4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place. a) .14 < x F d) Both (b) and (c D? If x < 0 and y > 0, then it is always true that _______. a) xy is a negative number b) x + y is a negative number

    asked by anonymous on March 2, 2013
  11. Computer

    devise a number system based on base 11. a)draw the number line b)show examples of addition and subtraction c)develop a representation of negative numbers based on elevens complement Hi Stephanie: I guess first I want to make sure you understand what a

    asked by stephanie on September 4, 2006
  12. Algebra I

    what does factoring the sum or difference of two cubes mean

    asked by Allie on May 4, 2014
  13. Algebra

    Given that S=7a+b+7c and also S=6a+8b+6c, where 51

    asked by anon on November 14, 2018
  14. Maths

    The sum of two consecutive no is 39.find the numbers

    asked by Shikha on November 24, 2016
  15. Please help

    what is the sum of arithmetic series 2+5+8+...+260?

    asked by Jay on May 3, 2016
  16. math

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

    asked by Anonymous on October 27, 2009
  17. Trigonometry

    If 13 sin x + 5= 0 and x є (0º; 270º) calculate the sum of 2x

    asked by Michelle on April 7, 2011
  18. math

    estimate the range for the sum 9.65+30.1+5.835

    asked by via on January 3, 2018
  19. Algebra

    The sum of two mumbers is 21, and their difference is 7. What are the numbers?

    asked by brooke on January 29, 2010
  20. algebra 2

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

    asked by reina bonilla on June 9, 2015
  21. Geometric series

    Find the sum of the following series : a) 1 - 1/¡Ì2 1/2 - 1/2¡Ì2 ¡­to 20 terms.

    asked by Posul on April 27, 2016
  22. Math (check answer)

    2.B 2.The sum of two integers is ____ positive. A.always B.sometimes C.never

    asked by matt on April 1, 2014
  23. math

    translate to an algebraic edxpression the sum of x and q

    asked by mini on February 13, 2010
  24. Polynomials

    how would i get the sum, product,and difference of this problem x^3+ 2x-5∶ x^4-x^3+ 3x^2- 2x+3

    asked by johnnie on September 18, 2013
  25. math

    the product of y and six exceeds three times the sum of y and four

    asked by katie on February 8, 2016
  26. math

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

    asked by Amanda on May 25, 2007
  27. Math

    If the difference of 135, and 98 is 37, what is the sum of the numbers?

    asked by Lim on January 30, 2011
  28. Geometric progression

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

    asked by Rahul on October 13, 2016
  29. Math

    1.x(x-3)=4 means that x=4 and x-3=4 Is that right? 2.Is the sum of squares prime???

    asked by Tommy on December 4, 2010
  30. Math-3rd grade

    Round to estimate the sum of all the numbers in 14.

    asked by Paul on December 1, 2010
  31. math

    the sum of two cosecutive integers is twenty-one

    asked by vina on October 9, 2016
  32. Math

    What is the probability of getting the sum of 7 on two die on the first roll?

    asked by Michelle on March 29, 2012
  33. Algebra

    Suppose f is a polynomial such that f(0)=47, f(1)=32, f(2)=-13, and f(3)=16. What is the sum of the coefficients of f?

    asked by Lily on July 28, 2015
  34. Math

    Find two numbers for which the sum is 51 and the difference is 13.

    asked by Fiona on November 21, 2016
  35. Math

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

    asked by Anonymous on September 21, 2013
  36. pre-algebra

    What is the valuve of the sum of 1+3+5+7+9+11 ...+ 1997 +1999 ?

    asked by rosario on August 14, 2011
  37. math

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

    asked by jaime c on September 24, 2013
  38. Math

    When is the sum of two integers greater than the difference?

    asked by Vem on October 22, 2017
  39. 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?

    asked by sharon on May 12, 2014
  40. math

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

    asked by matt on April 2, 2011
  41. Geometric progression

    Fin the sum of the series 1+2+4+8+....to 12 terms.

    asked by Rahul on October 13, 2016
  42. 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

    asked by Nad on May 3, 2016
  43. math

    the sum of two cosecutive integers is twenty-one?

    asked by vina on October 9, 2016
  44. AMA SEC.SCH NIGERIA

    FIND NUMBERS IN G.P WHOSE SUM IS 28 AND PRODUCT 5 1 2

    asked by IKY on May 16, 2014
  45. Algebra 2

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

    asked by Shauna on April 16, 2014
  46. Math

    if the sum of the positive integers x and y is 12 then x can be equal to all of the following except 5y 4y 3y 2y y

    asked by . on July 15, 2013
  47. math

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

    asked by christina on October 26, 2006
  48. 2nd grade

    It is greater than 30 and less than 40.If you add the digits,the sum is 10

    asked by Anonymous on October 27, 2009
  49. math

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

    asked by Anonymous on October 27, 2009
  50. Algebra 1

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

    asked by Diana on June 30, 2011
  51. math

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

    asked by Rashaad on May 15, 2011
  52. algebra

    What is the sum of the first 19 terms of the series: 63 + 55 + 47 + 39 + 31 + …? I think it is 769.5 is it right?

    asked by John on March 22, 2012
  53. Math

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

    asked by Maya on March 24, 2012
  54. math

    Divide 12 into two parts such that the sum of their square is 74?

    asked by tuhituhi on February 28, 2015
  55. math

    the sum of the three digits in the billions period is 4

    asked by Anonymous on June 15, 2013
  56. HSM/220

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

    asked by Holly on October 25, 2013
  57. 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

    asked by Neil on May 24, 2012
  58. A.p.

    Find the sum of n' arithmetic means between x and 3x.

    asked by Vijay on October 19, 2016
  59. math

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

    asked by kalya on May 12, 2016
  60. math algebra

    what are 4 consecutive integers whos sum is -2

    asked by Allie on May 22, 2012
  61. algerbra 2

    if the sum of the focal radii of this ellipse is 12 what is the value of a^2?

    asked by Ashley on April 13, 2011
  62. st.paul

    the sum of the three digits in the billions period is 4

    asked by reyviene on June 15, 2013
  63. Math

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

    asked by Mark on February 10, 2016
  64. math

    What two numbers are we ? Our quotient is 19 and our sum is 100.

    asked by Jamie on April 18, 2011
  65. sequence math

    Find the sum of the first 27 terms of the following sequence: 10, 18, 26 . . .

    asked by elito on June 28, 2012
  66. Maths(URGENT ANSWER please )

    Find the sum to infinity of the series 1 + 4/3! + 6/4! + 8/5!

    asked by Ben on May 2, 2015
  67. Math

    The quotient of 100 and the sum of b and 24 13 more than the product of m and 5

    asked by Jgirl on February 10, 2016
  68. Math

    Which equivalent fractions can you use to find the sum of 2/8 + 3/9

    asked by Anonymous on January 26, 2016
  69. Math

    What is the sum of the first 40 consecutive odd numbers?

    asked by Joyce on August 19, 2012
  70. Maths(URGENT ANSWER please :

    Find the sum to infinity of the series 1 + 4/3! + 6/4! + 8/5!

    asked by Ben on May 2, 2015
  71. 5th grade math

    if the average of 6 numbers is 12 then what is the sum? How would you figure this?

    asked by jill on April 21, 2011
  72. math

    Subtract the sum of 81.6 and 4.07 from 129.4 Please show how its done.

    asked by logan on May 28, 2012
  73. Math

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

    asked by Genaro on September 10, 2013
  74. Math

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

    asked by Mommy helping child on June 20, 2013
  75. mathematics

    find the sum of the numbers between 60 and 80 that are divisible by 9

    asked by fizz on May 21, 2018
  76. maths

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

    asked by jennie cribzon on May 22, 2012
  77. MATH

    3 5/6 + 1/6 Would it help to rewrite the question like this? 3 + 5/6 + 1/6 ? what is the sum of the last two fractions?

    asked by JOVEL on November 16, 2006
  78. math

    estimating the sum 472+231=

    asked by kaisha on August 14, 2013
  79. Geometric progression

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

    asked by Rahul on October 13, 2016
  80. math

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

    asked by Anonymous on October 26, 2009
  81. math

    the sum of two no is 50 .the smaller no is two third of the greater no.. find the no.

    asked by Anonymous on November 23, 2016
  82. 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.

    asked by Sandra on March 18, 2016
  83. Sum Of Unit Vectors?

    write MN as the sum of unit vectors for M(-3/4, 5, 2/3) and N(6, -9, 3/5). Someone help me please?

    asked by Tabby on April 22, 2012
  84. algebra

    What is the sum of the arithmetic sequence 4, 11, 18 …, if there are 26 terms?

    asked by soka on August 6, 2011
  85. 5th grade

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

    asked by DON on January 29, 2010
  86. Math

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

    asked by Joshua on January 9, 2014
  87. Algebra 2

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

    asked by Anonymous on April 27, 2011
  88. math

    Find the partial sum. 100 Σ 2n n = 1

    asked by dan on May 14, 2018
  89. Trig

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

    asked by Kiki on April 29, 2014
  90. Algebra 2

    write the sum using summation notation 1+6+13+22+33

    asked by Melissa on February 22, 2010
  91. Math

    Write two mixed numbers with a sum of 3.

    asked by Zoe on March 18, 2015
  92. Math

    The sum of the angles of any triangle always equals ?

    asked by Ashley on July 10, 2012
  93. calculus

    sum (n*2^n)/(2^n +3^n) [n to infinity] conv or div ? and how to get that? thank you!

    asked by leon on March 22, 2011
  94. Math

    Find the sum of the first 8th of the series 1/2+1/3+2/9+...

    asked by Adigun on November 2, 2013
  95. Arithemetic progression

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

    asked by Vijay on October 17, 2016
  96. maths

    The first 3 term of an AP are x,2x+1 and 5x-1 find x and the sum of the first 10 terms

    asked by kennedy on August 14, 2018
  97. Math

    Find the sum of the arithmetic series -12-9-6-...39.

    asked by Han on May 29, 2014
  98. maths

    find the value of the sum 39+40+41+42+......+379+380

    asked by Anonymous on April 26, 2016
  99. math

    Which pair of numbers has the same product and sum? A.1,1 B.0,2 C.1,0 D.2,2

    asked by gary on June 3, 2012
  100. Algebra

    The sum of two consecutive even integers is −126

    asked by Amber on February 4, 2017