1. math

    Mrs. Jones is thinking of a number that when rounded to the nearest hundred is 400. what is the number? explain
  2. Math

    By picking a natural number randomly up to 100 find the probability of the number being a perfect cube
  3. math

    Do you think that the formula where n is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion.
  4. math12

    What is the third number in the 156th row of Pascal's triangle? I know that it is 154 x ___ how do I find out the number? thanks in advance
  5. Math

    tossing a coin tails up or rolling a number less than 4 on a number cube. I got 1/2 + 3/6 and got 1. The answer is 3/4. I don't understand what to do. Please help.
  6. Maths

    By picking a natural number randomly up-to 100.find the probability of the number being a perfect cube?
  7. Probability(math)

    How many computer passwords can be created with three digits followed by three letters if the first number cannot be 0 or no number or letter can be repeated?
  8. high school

    Is there a formula or general for finding the number of segments that can be named by a given number of points on a line?
  9. grade 7 math factors

    you can decide if 10 is a factor of a whole number without dividing the entire number by 10 true / false
  10. mathmetic

    if 4th power of pojetive real number 3.215 find the number,also veriphy your answer.
  11. maths

    make a true number sentence by filling in the missing number 14 +(3x2)= _________ (14 + 3)x2 = _______
  12. backwards math

    Valerie tells Robbie, "I'm thinking of a number between 1 and 50. If I divide the number by 4, then add 5, then subtract 6, I get 6.
  13. math

    translate to an algebra statement. seven times the difference of six and twice a number yields the same result as the same number decreased by one
  14. maths

    find the product of the largest 5_digit number and and the smallest 4_digit number formed by the digits 2,1,0,4
  15. bio

    What is the difference between an atom and an element? What are atoms composed of? What is the significance of atomic number and mass number.
  16. geometry

    What equation will express the relationship between the number of side, s, and the number of lines of symmetry, l, in a regular polygon
  17. algerbra 1

    Define a variable and write an algebraic expression for each phrase. the diffrence of 8 and a number the product of 2 and a number
  18. math

    If you place the ... comparing 1272 and 1269. Do you need to cmpare the ones digits? Which number would be the farther to the right on the number line and why?
  19. math

    . I am thinking of a whole number. If I divide it by 13, then multiply the answer by 12, then subtract 20, and then add 89, I end up with 93. What was my original number?
  20. algbrea

    translste the sentece into an equation and slove it.if 4 times a number is decreased by 9, the result is 19. find the number?
  21. 5th grade math

    If you roll two number cubes numbered 1-6, what is the probability of rolling the same number on each cube?
  22. math

    In the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up.
  23. Math 6 grade

    If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number. HELP PLEASE
  24. chemistry

    show that the mass number and the number of protons are conserved in the following nuclear equation: 234 230 4 92 U-----> 90 th + 2 he
  25. 7th grade math vocabulary

    The number of ways 6 people can sit in 6 chairs is the number of________________.
  26. math

    Hello, i would like to know what is the complex number of : (a*c*d)×(-e*d+i)/(1-e*c*d^2) ACDE are strictly positive real constants. I is an imaginary number. Thanks you a lot for you help.
  27. math

    ruben is thinking of a number x.if he multiplies the number by 5 and then subtracts 12 from the product, the answers he gets is equal to 3 times x. what is x?
  28. math

    Only one number is spelled in the English language with its letters in alphabetical order. What is the number? Is the correct answer eight?
  29. Maths

    A certain number is halved, then increased by 3. The result lies between 5 and 7. Between which two values does the number lie? Write an inequeality for this?
  30. math

    Mr. Steve, thank you very much to answer my question on Sunday, 23 August at 1:44 pm. But please, show me how to get : Number 1 : 1. D = -1 Dx = -2 Dy = -3 Number 2 : 2. D = -5 Dx = -14 Dy = -3 Because the steps to know that is important for me. Please...
  31. sito gbethrome senior school

    a number is picked from the set {1,2,3,-,18}.find the probability that it is either a multiple of 3 or a number less than 7
  32. math analysis

    i don't know what to start. Given a number espilon >0, prove there exists a natural number x such that 1/x <espilion
  33. Applied Math

    How would I set this up to work? When a number is divided by 5 and the quotient is increased by 8, the result is 16. Find the number.
  34. math

    eric has a baseball card collection in 3 albums. the smalles number of cards in an album was 54. the greatest number of cards was 72. what is the total number of cards eric has in his collection
  35. math

    In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes
  36. Math

    Determine if the number is written in scientific notation. If not, explain; 3 x 100⁻⁶. A. No; it is not written as a power of 10. B. No; the first factor is not a number between 1 and 10. C. Yes; the number is written in scientific notation. I'm almost
  37. math

    in a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes
  38. calculus

    In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes.
  39. algebra

    Town has popultion of 5,000.Number of people infected after t days with a disease is N(t) = 5000/1 + 21.7e^-0.4t Find number initially infected find number infected after 12 days
  40. math

    When you subtract 2 from a number double the difference and then add 7 you get 57. What is the number
  41. maths

    when a number is multiplied by 6, it gives the same result when 27 is added to it. find the number.
  42. Chemistry

    What is the total number of orbitals associated with the principal quantum number n = 5?
  43. physics

    number of pickup trucks and the number of points.What goes on the x axis
  44. math

    when you subtract two from a number double the difference and then add 7 you get 57 what is the number
  45. math

    if 5 times a number is increase by 5, the result is 30.find the number. A)30 B)7 C)5 D)20
  46. Math

    If 5 times a number is increased by 5, the result is 30. find the number.
  47. Math

    What does "Larger number exceeds three times the smaller number by four" mean?
  48. Math (graphing number lines)

    How would I graph the following on a number line? x ¡Ý 3
  49. Math

    6 times the difference of a number and 9 is 18 less than the number. I need to write out as an equasion. Help!
  50. algebra

    if the quotient of a number and 15 is added to 1/5 the result is 17/15.find the number
  51. Math

    If the decimal in the number 4157.98 is moved one place to the right the number will become-
  52. properties of multiplication

    if you multiply any number by 1, can the product ever be greater than that number?
  53. math

    i am an odd number with digits 4, 5, & 6 i am more than 550 and less than 650 what number am i
  54. math

    The quotient of a number and 3, minus 1, equals 5/3. Find the number.
  55. arithmetic

    there is a unique number of which the square and the cube together use all numbers from 0 up to 9 exactly once. which number is this ?
  56. Chemisty

    Give the number of significant figures in the following number? 2.300*10^-4
  57. Chemisty

    Give the number of significant figures in the following number? 0.00546
  58. e

    if 3 i subtracted from a number and reminder is multiplied by 13, the product becomes 91.find the number.
  59. Math

    Which group names all the whole number factors of a composite number? A. 1, 2, 3, 6, 9, 36 B. 1, 3, 5, 9, 45 C. 1, 3 D. 1, 2, 3, 4, 6, 8, 12, 24
  60. math

    Two digits of this number were erased: 273*49*5. However, we know that 9 and 11 divide the number. What is it?
  61. math

    When 26 is subtracted from 3 times a number, the result is greater than 10. What number are possible?
  62. math

    what is solution- 1 to 19 odd number add any 5 number total is 50. ?
  63. Math

    a number squared subtracted from six times that number is equal to -8
  64. features stars

    let u={1,2,3 4,...10}A={odd number up to 9}B={number less than 7}write out the members of the following A u B
  65. Algebra

    Six subtracted from twelve times a number is 174. What is the number?
  66. math

    Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. what number is he thinking of?
  67. math

    write the following as a mathematical expression, use x for a number. The product of a number and six
  68. math

    I think of a number double it and add 14. The result is 36. What is the number? With working
  69. Math

    The lowest common multiple of two numbers is 36, one number is 12, what might the other number be?
  70. Algebra

    The quotient of A number and 2, decreased by 5, is equal to 35. Find the number
  71. Math

    Which group names all the whole number factors of a composite number? A) 2,3,12,24 B) 1,5,10 C) 1,3,5,15 D) 1,31
  72. math

    I think of a number double it and add 14. The result is 36. What is the number? With working
  73. Math

    A number is selected from 5 t0 14 inclusive.what is the probability that it is either an even number or a factor of 40
  74. math

    what if Julie is thinking of an even number between 12 and 29 with digits whose difference is 7? what is the number?
  75. Math

    A number when divided by 14 or 15 leaves a remainder 3. Find the least possible value of that number?
  76. Math

    The difference between three-fourths and three-fifths of a number is 9. Determine the number?
  77. math

    When you subtract 2 from a number, double the difference, and then add 7, you get 57. What is the number?
  78. math

    What is the probablity a number cube will stop ona number less than 6?
  79. Math

    A number when divided by 14 or 13 leaves a remainder 3. Find the least possible value of that number?
  80. Math

    The probability of rolling a number less than 4 on a number cube is ____ 1/2?
  81. math

    i am a number between 20 and 30. when you put me into 6 equal groups, there is an even number in each group
  82. 2nd grade

    i am a number between 60 and 70. if you keep subtracting tens from me you reach 2. what number am i
  83. Science

    Hi, I need to know how to find th number of autosomes from the haploid or diploid number. Thanks
  84. math

    When it says "eight less than twice a number is 12 more than four times the number" will its equation Be, 2n-8=4n+12? And if that is true how could I solve it?
  85. Math

    If n represents a number, write an expression for one-half of three less than the number.
  86. Math

    How would you convince a fellow student that the number 0.57 is a rational number?
  87. math

    Do you think that the formula p = 6n + 1 where n is a whole number, will produce a prime number more than 50% of the time?
  88. math

    When you divide whole number by a fraction,how does the quotient compare with the whole number?
  89. math

    what pattern can you use to multiply a number and 9 if you know 10 times the number? give an example.
  90. math

    The number of minutes in an hour is the same as a number times three, minus 3.
  91. algebra

    write an equation for: the number of triangles is 1/3 the number of sides Y = 1/3X
  92. Math

    Write each improper fraction as a mixed number or a who;e number 16. 9/5=1 4/5 17.5/2=2 1/2 18.15/4=3 3/4 19.17/8=2 1/8 20.19/6=3 1/6 21.4 27/27=5 22.25/2=12 1/2 23.31/7=4 3/7 24.52/9=5 7/9 25.41/3=13 2/3 26.37/5=7 2/5 27.77/8=9 5/8
  93. 5th grade

    my four factors add up to 48. I am a number between30 and 40. What number am I?
  94. math

    if the square root of twice a number is diminished by three, the result is 5. what is the number?
  95. math fractions

    Brent divided 3 1/5 by a number and got 4 1/2. What number did he divide by?
  96. Bio

    As the number of chromosome pairs increase what happens to the number of possible gametes?
  97. maths

    the product of 2 number is 504347 . if one of the number 317 , find the other .
  98. Algebra

    You roll a standard number cube. Find P(number less than 3). a. 1/3 b. 2/3 c. 3/2 d. 5/6
  99. Math

    The difference between three-fourths and three fifths of a number is 9. Determine the number.
  100. math

    Take the product of twice ten and one half of my number. Divide it by four. You will get 25. What is my number?