1. Mathematics

    Divide 40 by the sum of 3 and 5
  2. Math

    is the sum of (3+3)^2 and 2^3 equal to 26?
  3. Algebra

    Given f(x) = (x-1)(x-2) + (x-2)(x-5) + (x - 3)(x-8), what are the sum of the roots of f(x)?
  4. math

    Calculate the sum of 1/4 and 1/3.
  5. math

    Calculate the sum of 1/4 and 1/3.
  6. math

    find each sum 1/4 + 2/3
  7. math

    find each sum 1/12 + 4/6
  8. math

    6/12+ 1/3 find each sum
  9. math

    what is the sum of 2/xand x/2?
  10. math

    find each sum 4/8 + 1/2
  11. algebra

    what is the snswer to this sum a x 4 = d
  12. Math

    Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)? Thanks.
  13. math

    3/4 + 1/9 find each sum
  14. math

    What is the sum of all integers x,such -36 <x<38?
  15. pre cal

    what is the sum of e or 1n
  16. math

    find each sum 1/2 + 2/5
  17. math

    Sum[(-1)^(n - 1) (7/9^(n - 1)), {n, 1, Infinity}]
  18. Chemistry

    40 Ca2+ 20 79 Br- 35 58 Ni2+ 28 For the three ions written above give the correct number of each of the following: a) the maximum number of electrons in the first shell b)the unpaired electrons in an oxygen atom c)the full orbitals in a chlorine atom d)the
  19. geometry

    The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest whole number. The picture of the small one has a number 42m and the larger one has a number 57m. Can someone please help me my
  20. math words problem

    Williamston Daily is a new daily newspaper. When they first started printing three years ago they had 5600 home delivery subscribers. The number of subscribers increases by 71 every month. Write a linear model that represents the number of subscribers, B,
  21. math

    What is the least number of place-value blocks you need to show 4,200? The greatest? well, here is what the blocks are: 4 2 0 0 thousand hundreds tens ones does this help at all? I'm actually trying to figure this out so I can help my daughter. I
  22. Child safety- car seat question

    To function properly,children's safety seats and restraints must: 1. be installed correctly and anchored to the vehicle. 2. face the back of the seat. 3. come with a lap belt and shoulder harness. Would number 1 be the best answer? My text says: "Safety
  23. Algebra HELP!

    A teacher instructed her class to take any number and perform a series of computations using that number. The teacher was able to tell each student's original number by subtracting 1 from the student's answer. Create similar instructions for students so
  24. stat

    ok there was a question that my teacher told me i got wrong the question asked me to compute the mean which I did... then the question went on to tell me compute the mean with another observation equal to zero then the part that he drew the line through
  25. Java

    Write a GUI application that prompts the user for a number between 1 and 5. Be sure to include error checking so that the program continues to prompt the user for a number until the user's entry is between 1 and 5, inclusive. Once a valid number is
  26. Maths

    Two candidates A and B are up for election. A is so popular that the number of votes for B is expected to be less than or equal to 10% of A's votes. If the total number of votes for both candidates is 110 , what is the minimum number of votes we could
  27. Pre-Alegebra

    You spin a spinner that is divided into 6 equals parts once and roll the number cube once. Find the probability that the spinner stops on the same number that you roll the number cube?
  28. math

    Olive Oyl sent Popeye and Wimpy out to get spinach and burgers. They bought the following combination: If the square of the number of burgers is doubled and added to the square of the number of cans of spinach, the total equals 59. When the square of the
  29. math

    Someone please check my answers 1.In the number 854,263,189 what number tells the number of millions. 4 2.Write 4x4x4x4x4 as a power of 4 4^5 3.write 684 in expanded form 600+80+4 4.Turner agrees to buy a boat for $2,800 down and $129 a month for 48
  30. Algebra

    How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation.
  31. math

    How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation.
  32. math - help please, thanks

    1. 86 is 45% of what number? a. 86 = 0.45n * b. n = 0.45 x 86 c. 0.45 = n x 86 d. 86 = 45n 2. What percent of 26 is 4? a. 0.26 = n x 4 b. n = 0.26 x 4 c. 4 = n x 26 * d. 26 = 4n 3. What percent of 250 is 70? a. 3.6% b. 18% c. 28% * d. 175% 4. 65% of 80 is
  33. math

    1. 86 is 45% of what number? a. 86 = 0.45n * b. n = 0.45 x 86 c. 0.45 = n x 86 d. 86 = 45n 2. What percent of 26 is 4? a. 0.26 = n x 4 b. n = 0.26 x 4 c. 4 = n x 26 * d. 26 = 4n 3. What percent of 250 is 70? a. 3.6% b. 18% c. 28% * d. 175% 4. 65% of 80 is
  34. math

    How does finding the square root of a number compare finding the cube root of a number? Use the number 64 in your explanation.
  35. Math

    Maria has $5.05 in quarters and dimes. The number of quarters exceeds twice the number of dimes by 1. Find the number she has of each kind.
  36. Algebra

    How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation.
  37. Math

    If z is a non-real complex number and z^2−26z is a real number, what is the value of z+z¯? z¯ denotes the conjugate of the complex number z.
  38. math

    The "wapple" of a number is defined as the number of positive odd intergers less than that number. 1. what is the wapple of 19? 2.If the wapple of x is equal to 5, what is the wapple of x + 6?
  39. math

    my daughter needs help finding a mystery number. 1)when the mystery number is divided by 3,there is a remainder of 1. but it has to be the same thing over again with 4 remainder 2 and 5 remainder 4.And there is one more what is the smallest number that
  40. maths

    Set it up this way: Let the number of students be x let the number of rows be y then the number of students per row is x/y This results in 2 equations from your data: (x/y+1)(y-2) = x and (x/y-1)(y+3 = x Solve these two, gets a bit messy at first but it
  41. Math

    There are 50 lockers, numbered 1 throught 50, in a short hall at Phillips Middle School. Mr. Giannetti hid trears for his class in one of the lockers. He gave the class the following clues about the locker where the treats are located. Clue 1. The number
  42. MATH PLEASE HELP

    A single, standard number cube is tossed. What is the probability of getting a number other than 6? A. 1 B. 1÷3 C. 5÷6 D. 1÷6 A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number less than 4 A. 1 ÷ 4
  43. math

    pls. explain how to get this: A number x is the harmonic mean of two numbers a and b if 1/x is the mean of 1/a and 1/b. a) Write an equation to represent the harmonic mean of a and b. b) Determine the harmonic mean of 12 and 15. c) The harmonic mean of 6
  44. Math

    Your Aunt will give your $1,ooo if you invest it for 10 years in an account that pays 20% interest compounded annually. That is, at the end end of each year your interest will be added to your account and invested at 20%. What will your account be worth at
  45. math

    what is a number model? Since this is not my area of expertise, I searched Google under the key words "number model" to get these possible sources: http://www.minet.uni-jena.de/~novak/model.html
  46. Math

    Convert each improper mixed number to a whole number or a mixed number: (A) 24 2/2 (b) 7 4/2 (c) 2 5/3 (d) 9 5/4 (E) 36 3/2 (f) 32 4/3 (g) 3 3/3 (h) 10 8/8
  47. math

    When four times the number is added to 7 times the number, the result is 33, what is the number?
  48. Algebra

    If twice the opposite of a number increased by five, then the result is the opposite of a number. What is the number? What is this even asking off me?
  49. math

    The reciprocal of a number minus the reciprocal of two less than the number is -2/15. find the number.
  50. algebra

    if 7 times a certain number is subtracted from 6, the result is 5 times the number. what is the number?
  51. algebra

    5 times a number decrease by 18 minus 4 times the same number is -36 what is the number
  52. algebra

    One more than 3 times a number is the same as 5 times the number decreased by 15. Find the number
  53. Probability

    The numbers 1 to 15 are placed in a hat, and a number is selected. What is the probability that the number is 4 given it is known to be an even number?
  54. math

    The number is even. Clue 2 The number is divisible by 3. Clue 3 The number is a multiple of 7? what is this?
  55. Math

    The average of third number is 29 if the average of two number is27 .find the third number ?
  56. Algebra 2

    Describe an infinite geometric series with a beginning value of 2 that converges to 10. What are the first four terms of the sequence? a{1} = first term of series
  57. Algebra

    Library Research Assignment Please help with Discussion board problem Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the
  58. chemistry

    1. Need help Assigning oxidation numbers. Is it true that wehn looking at atoms in compounds from group 1 or 2 they are given the oxidization number which is the same as there charge example NaCl Na has an oxidization number of 1? But is this also true for
  59. math

    There are 12 girls in one of the fifth grade classes. The number of girls is two-thirds the number of boys, b. The number of boys can be found using the equation 2/3b=12. How many boys are in the class?
  60. MATHS

    Class A and Class B have the same number of pupils. The ratio of the number of boys in Class A to the number of boys in class B is 3:2. The ratio of the number of girls in Class A to the number in Class B is 3:5. Find the ratio of the number of boys to the
  61. Physics

    A cube of mass M=0.703 kg is placed on an incline and given a push. It slides down, and its speed down the incline is measured at two positions, [1] and [2] on the diagram below, with V1 = 0.923 m/s and V2 = 1.207 m/s. Note that the incline passes through
  62. stats

    Education 25 t0 34 35 t0 54 55+ Total Did not complete high school 4,474 9,155 14,224 27,853 Completed high school 11,546 26,481 20,060 58,087 1-3 years of college 10,700 22,618 11,127 44,445 4 or more years of college 11,066 23,183 10,596 44,845 Total
  63. Algebra =/

    One Number Added To Three Times Another Number Is 24. Five Times The First Number Added To Three Times The Other Number Is 36. FInd The Numbers HELP PLEASE!!!!! :)
  64. math

    a Midwestern music competition awarded 28 ribbons. The number of blue ribbons awarded was 1 less then the number of white ribbons. The number of red ribbons was 2 more then the number of white ribbons. How many of each kind of ribbons was awarded?
  65. math

    In a cupboard there are pencils, rulers and books. The number of pencils is 15 more than that of rulers. The number of books is three times that of rulers. If the number of pencils is p, which one of the expressions below represents the total number of
  66. 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
  67. math

    A stamp collection consists of 3, 8, and 15 cent stamps. The number of 8 cent stamps is one less than triple the number of 3 cent stamps. The number of 15 cent stamps is six less than the number of 8 cent stamps. The total value of all the stamps is $2.47.
  68. Math

    Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in
  69. MATH!!

    (1)At the begining of her math class, Mrs. Reno gives a warm-up problem. She says, "I am thinking of a number such that 6 is less than the product of 7 and this number is 85." Which number is she thinking of? A-11 B-84 C-13 D-637
  70. math

    How does finding the square root [√] of a number compare to finding the cube root [little 3 on top √] of a number? Use the number 64 in your explanation. Please help me figure this out. I don't know what to do.
  71. Math

    Each student receives the same number of pencils and the same number of notebooks. This year she gave out 96 pencils and 72 notebooks. Which is the greatest number of students that can be in Ms. Thomas’s class this year?
  72. Math- Mixed Numbers

    1. White 17/4 as a mixed number. Hi, could someone please explain how to do this? Correct me if I’m wrong but do I try to multiply 4 x how many times I can before it goes to 17 and the number I get is the whole number and the newmerator is the numbers
  73. Math Help

    Choose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p 2. Which word phrase could represent the variable expression 1/2a + 4? 4 more
  74. Math!

    Please Please Please help me! I'm really behind and need to get this done and i'm really confused. 1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of
  75. statistics

    hey guys,im sorry if i did any wrong that my question has been deleted,but please help me... hi,care to explain this..its really hard..i only got 2/40 in my exam yesterday,so we have a retest tomorow,and i really need to pass that in order to pass..please
  76. Calculus

    Estimate the area under the graph of 25−x 2 from x = 0 to x = 5 using 5 left rectangles. b. Sketch for yourself the graph of f and the rectangles. Is this left sum an overestimate or underestimate? Enter OVER or UNDER. c. Now use 5 right rectangles
  77. conjectures

    Evaluate the following sums: 1 1+8 1+8+27 1+8+27+64 Add two more line to the list, and make a conjecture about the sums you obtained. this is a pattern. if you look closely than you'll see each number is a product of another number cubed.
  78. math

    How do the ideas of divisibility and multiples relate to the study of fractions? Show that 1,078 and 3,315 are relatively prime. What is the shortest length of television cable that could be cut into either a whole number of 18-ft pieces or a whole number
  79. chemistry, please help

    2NO2(g)--> 2NO(g) + O2(g) , H=+114.2kJ (Note: H, S, G all have a degree sign next to them) NO: H(enthalpy)=90.3kJ/mol, S(entropy)=210.7J/mol*K, G(gibbs energy)=86.6 O2: H(enthalpy)=0, S(entropy)=?, G(gibbs energy)=0 kJ/mol NO2: H(enthalpy)=33.2,
  80. Calculus 2

    I need help in solving an initial-value problem and a few series problems (Especially on #45 & #46). I don't really understand how to do the series problems...majority of the time. An explanation would be great as well. Thank you for your time. #20) Solve
  81. Math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms
  82. math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms
  83. IMF-Program Design

    Question 5.17 Forecast revenues on income, profits, and capital gains using Buoyancy: 1113 Question 5.18 Forecast revenues on Goods and services using Buoyancy: 756 Question 5.19 Forecast revenues on international taxes using Buoyancy: 1131 Forecast other
  84. Math

    Sum of two integer is -35 if one of them is -12 find the other?
  85. math

    Subtract the sum of 81.6 and 4.07 from 129.4
  86. Algebra 2

    Find the sum [1 4] [0 0] [0 3] + [0 0] A - [1 4] [0 3] B - undefined C - [0 0] [0 0] D - [1 0] [4 3]
  87. Math

    Estimate the sum by rounding: 7.68+3.52
  88. Algebra

    What are the sum of the roots of f(x) = x^2 - 16x + 63?
  89. Math

    What is the sum of. 3.567 21 and395.2
  90. science

    What is the sum of multiples of 8 in the given calender
  91. Algebra

    What is the sum or difference for the following. 2x+3/4 My answer is x/2 + 3/4
  92. math

    how do you rename 2/5 so you can add it to 11/25 what us the sum
  93. Math

    What has a product of 320 and a sum of -36?
  94. math

    if a+b=c and c=8 and d+e=f and f=21 e=18 d=3 and e,d,c,and b are in a circle that sum is 20 what is the answer
  95. math

    What does "find the sum" mean? Please provide an example.
  96. alg

    which expression represents the sum of the following? 7 / a - 1 + 3 / 2a - 2 a) 10 / 3a - 3 b) 17 / 2(a - 1) c) 17 / 2(a -1)^2 d) 10 / 2a - 2
  97. math

    what is the sum of the 4 in 541,000
  98. Please help

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

    what is sum or defference of 3/8 + 3/5
  100. Algebra 2

    What is the sum of the multiples of 4 from 16 to 100?