1. Geometry

    Given the sets A={2,15,21,5,13} and B={6,9,15,12,21} , what is the sum of all the elements in A¾B ?
  2. MATH

    6000 = SUM OF 14 NO HUNDREDS
  3. Math

    62 is the sum of 16 and hectors score
  4. Math

    Find each sum or difference. 1. -1/2+1/3 A.-1/6 B.-1/3** C.2/3 D.1/6 2. -3 1/5+(-6 1/2) A.-3 2/7** B.-3 7/10 C.-9 2/7 D.-9 7/10 3.5/8-(-2/8) A.-3/8 B.-7/8 C.3/8 D.7/8** 4.-9/10-2/5 A.-1 3/10 B.-1 1/10 C.-7/10** D.-5/10 5.6 3/5-(-2 1/5) A.-8 2/5 B.-4 2/5
  5. math

    What two numbers have a product of 3.6 and a sum of 3.8
  6. maths

    find the sum of first 15 multiples of 8
  7. Math

    How do you combine 6 1's so that their sum is 123?
  8. math

    Calculate the sum of the series: π²/3!-π^4/5!+π^6/7!-π^8/9!+π^10/11!....
  9. A.p.

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

    Estimate each sum and difference. 3 1/4 + 2 5/6 5 6/9 - 1 3/4 5 5/13 + 8 3/5 11 - 6 3/7 + 2 2/5
  11. Algebra

    What is the perfect squaredigits sum 4
  12. Math

    If the sum of 2 whole numbers is 76, their product is at most how much?
  13. math

    What does "find the sum" mean? Please provide an example.
  14. Math

    Which expression represents the sum of (2x-5y) and (x+y)
  15. MATH

    Find the sum 4 Σ(0.5)^n n=0
  16. Math

    What is the sum of. 3.567 21 and395.2
  17. Math

    What is the largest possible value of the sum of 1000
  18. Math

    What is the simplified sum when you evaluate 10/15 + 1/4
  19. Use benchmarks to estimate the sum, difference, or

    I need help with these 1. 1 7/8 + 1/9 2. 5 2/11 -3 2/18 3. 8 2/17 x 1 15/17 4. 2/9 + 4/9 5. -5/6 + 4/18 6. 11 5/9 + 10 1/3 7. -1/5 + (-3/7)
  20. Math

    Sum of 3/4 + 1/3 _ _ 8 4 Simplest form
  21. math

    The sum of two consecutive numbers is 37. What are they
  22. statistics

    The sum of the residuals is __________. Is it 0?
  23. math

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

    What is the sum of (x^2-3x+2) and (5x^2-3x-8)? show your work help me!!!
  25. algebra

    the sum of n terms of the series 1, (1+2), (1+2+3)............is A) (n/3)(n+1)(n-1) B)(n/6)(n+1)(n-1) c) (n²+3n+20) D) none
  26. algebra

    How do you write,45 less than the sum of the other two angle
  27. 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
  28. Math

    What has a product of 320 and a sum of -36?
  29. Math

    Estimate each sum and difference. 3 1/4 + 2 5/6 5 6/9 - 1 3/4 5 5/13 + 8 3/5 11 - 6 3/7 + 2 2/5
  30. calculus

    Find the sum of the series 2 + 9/2! + 27/3! + 81/4! . . .
  31. algebra

    Find the sum: (x2 + 2x +1) + (4x2 + 5x + 3)
  32. MAth

    estimate each sum or difference. 22.8+49.2+1.7
  33. Math

    If two integers a and b have a product of 34. What is the least sum of a and b
  34. math

    How to solve divide 90 by the sum of 7 and 8
  35. Math

    Estimate the sum by rounding: 7.68+3.52
  36. math

    My digits are the same. Their sum is 3 less than their products. Who am I?
  37. Math

    Can you use double 1+1 to find the sum of 2+3
  38. 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
  39. matrices

    find the sum or differnce [ -2 -1 7 ] [ -2 0 8 ] [0 -3 2 ] + [-9 5 -1 ]
  40. math

    An AP is given k,2k/3,k/3,0....calculate the sum of the first 30 terms
  41. math

    subtract the quotient of 18 and 2 from the sum of 22 and 9.
  42. Algebra

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

    What is the sum of all coefficients of the polynomial? f(x)= (3x^3 - 3x - 1)^38 * (2x+1)^4 * (x^4 - 3x^2 + 5x - 2)^77
  44. Math

    Determine the sign of the sum of -18+11
  45. Math - Calculus

    Compute the sum: 81 ∑ (2i-1) i=1
  46. Math

    Find two numbers whose sum is -64, if twice the first is 1 more than the second
  47. Geometry

    In Triangle SUM, if SU = 10 cm and UM = 15 cm then MS must be less than how many centimeters? 10 15 20 25...... Am I right?
  48. math

    Find two binomials whose sum is 4x^2 - 4x - 15
  49. Maths

    If the sum of first n,2n,3n terms of the AP are S1,S2,S3 respectively,then prove that S3=3(S2-S1).
  50. math 156

    find the sum 13/14+4/5
  51. math

    two numbers are reciprocals of each other and whose sum is 3
  52. Math

    How many sets of 3 primes sum to 20?
  53. math

    what are three consecutive nubers whose sum is 90?
  54. algebra. help!

    MATRICES What is the sum of [3/4 -2/-3]+[-5/3 -4/-2]? a. [-8/1 2/6] b. [-2/7 2/-1] c. [2/-7 6/5] d. [-2/7 -6/-5]** What is the difference of [3/4 -2/-3]-[2/7 -5/12] a. [-3/-1 3/7] b. [1/-3 3/-15] c. [-3/3 -3/15]** d. [-1/3 3/-15]
  55. Algebra 2

    For a certain type of hay fever, Medicine H has a 30% probability of working. In which distributions does the variable X have a binomial distribution? Select each correct answer. When the medicine is tried with six patients, X is the number of patients for
  56. algebra 1

    4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place. a) .14 < x <.15 b) .141 < x < .142 c) .1413 < x < .1414 d) .1414 < x <.1415 B? 6. Choose an inequality to match this
  57. Algebra

    I am thinking of two numbers. The first number added to the second number is 5. Twice the first number added to twice the second number is 10. What are the numbers. ????? 1&4
  58. Math

    Sara and Jenny can both do flips in the air. The ratio of the number of flips Sara can do to the number of flips Jenny can do is 3:8. Jenny can do 120 more flips than Sara. If Sara increases the number of her flips by 3 and Jenny decreases the number of
  59. 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
  60. Math

    A ferry boat holds 800 people. There are 260 people already on the boat. The owner of the boat wants to load several tour groups on. The tour groups come in sizes of 40 people or 50 people. The owner would like an equal number of each size of tour group on
  61. Math

    Eduardo has a red 6-sided number cube and a blue 6-sided number cube. The faces of the cubes are numbered 1 through 6. Eduardo rolls both cubes at the same time. The random variable X is the number on the red cube minus the number on the blue cube. What is
  62. Math

    An Amount of $ 14400 is made up of $100, 50, 20 and 10 notes. The number of $10 notes are 3 times the number of 20 notes. The number of $20 note are 5 times the number of $50 notes. The number of $50 note are 5 times the number of $100 notes. How many of
  63. Math

    An Amount of $ 14400 is made up of $100, 50, 20 and 10 notes. The number of $10 notes are 3 times the number of 20 notes. The number of $20 note are 5 times the number of $50 notes. The number of $50 note are 5 times the number of $100 notes. How many of
  64. 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
  65. Statistics

    A die is rolled 16 times and the number that appeared for each roll was recorded. Number on die for each roll 5 2 2 6 1 4 6 1 1 3 5 2 2 3 4 4 If this data were to be displayed using a dot plot, what numbers would be displayed along the horizontal number
  66. Math

    A die is rolle 16 times and the number that ad for each roll was recorded. Number on die for each roll 5 2 2 6 1 4 6 1 1 3 5 2 2 3 4 4 If this data were to be displayed using a dot plot, what numbers would be displayed along the horizontal number line?
  67. geometry

    The Polygon Angle-Sum Theorem states the following: The sum of the measures of the angles of an n-gon is ____. (1 point) (n – 1)180o (n – 2)180o 9. What is the measure of one angle in a regular 16-gon? (1 point) 2,520o 202.5o 157.5o 78.75o 10. The
  68. Chemistry

    The density of gold is 1.93E4 kg/m3 and the cell volume is 6.78E-26 L. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number. For the purposes of this calculation, enter your answer to 3 significant
  69. College Algebra

    Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more thank three times a number is between 23 and 32. Write a compound inequality that shows the range of numbers that Penelope might
  70. math

    Phil is making a number cube out of cardboard . He traces one face of the number cube onto a coordinate grid . The coordinates of two opposite vertices of the face are (4, 8) and (12, 16) . What is the surface area, in square units, of Phil’s entire
  71. Algebra

    Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more thank three times a number is between 23 and 32. Write a compound inequality that shows the range of numbers that Penelope might
  72. Math

    A computer program is designed so that, when a number is entered, the computer output is obtained by multiplying the number by 3 and then subtracting 4 from the product. If the output that results from entering a number x is then entered, which expression
  73. Math

    Reasonnablenes the flag that Nico waves has an odd number in the ones place and even number in the tens place.what flag does he wave? Number on racing flag red flag 25 blue flag14 yellow 32 green flag 6 orange flag 17
  74. APA FORMATTING

    I think it's C. Am I right? When using APA, which of the following describes the method in which a work without page numbers should be presented in in-text citations? A. No mention of the page number is required in APA B. If no page number is present, it
  75. math

    in a total of 435 bags,rasons,almonds and peanunts were found in all the bags. if the number of rasons is 10 times the number of peanuts and the number of rasons and almonds is 20 times the number of almonds. how many bags contain only one item
  76. Statistics 2

    To calculate the mean for grouped data, which of the following steps must be completed? a. multiply the number of subjects within each category by the value of that category b. divide the results of the multiplication c. multiply by the number of subjects
  77. STATISTICS

    To calculate the mean for grouped data, which of the following steps must be completed? a. multiply the number of subjects within each category by the value of that category b. divide the results of the multiplication c. multiply by the number of subjects
  78. 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
  79. Science

    Consider an atom whose designation is given as 94 Pu 242. How many Protons are found in this atom? http://www.chemicalelements.com/elements/pu.html Protons same in all isotopes. The number of nutrons varies to change to atomic weight there are 94 because
  80. algebra 2

    Hi i posted this question: the general expression for consecutive multiples of 6 is 6N, 6(N + 1), 6(N +2), etc. find three consecutive multiples of 6 such that 4 times the first exceeds twice the third by 12. and than Bobpursley replied: Let N be the
  81. College Algebra

    Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more than two times a number is between 1717 and 2121. Write a compound inequality that shows the range of numbers that Penelope might
  82. Algebra

    Hello all! I had a quick homework question: I have to prove that the output of this always ends up as 1, regardless of the starting number: *Think of a number between 1 and 10. Add 1; double the result; add 3; subtract 4; add 5; halve the result; add 6;
  83. math

    Cells ina certain plant can triple in number every 15 minutes.How many times greater is the number of plant cells after an hour and a half then the number of cells the plant had origanally?
  84. 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
  85. Math

    1. What is the simplified form of the expression? 2x2 + 4y + 3x2 – 2y + 3y (1 point) 5x4 + 5y2 5x2y + 5x2y 5x2 + 5y 10x2y 2. Simplify the following expression: 2(6x + 18) (1 point) –12x + 36 8x + 20 6x + 36 12x + 36 3. What is the product? 4 • (–5)
  86. probability!!!!!!!!!!

    41 different balls are drawn from a bag containing balls labelled 1,2,…,300. The probability that the number of balls drawn that are labelled with an odd number is larger than the number of balls drawn that are labelled with an even number can be
  87. Computer program and design

    Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation. Design
  88. physics

    A glider of mass m1 = 10.0 kg initially moving towards the right at a speed of v1i = 2.00 m/s on a frictionless airtrack collides with a spring attached to a second glider of mass m2 = 4.0 kg initially moving toward the left with a speed of v2i = 5.00 m/s.
  89. Math

    Shelly compared the number of oak trees to the number of maple trees as part of a study about hardwood trees in a woodlot. She counted 9 maple trees to every 5 oak trees. Later in the year there was a bug problem and many trees died. New trees were planted
  90. math

    Change the number sixteen to an improper fraction Change the number twenty-eight hundredths written as an improper fraction, decimal, and mixed number.
  91. MATH

    1. WHICH SYMBOL WILL MAKE THE NUMBER SENTENCE -|16| ? 16 TRUE? A. = **** B. < C. > 2.WHICH SET OF NUMBER IS FROM LEAST TO GREATEST A. 7,|-4|,-7,0,-|3|,3 B. -|3|,-7,0,3,7,|-4| C. -7,-|3|,0,3,|-4|,7 D. 7,|-4|,3,0,-|3|,-7 3. WHICH SYMBOL WILL MAKE |-6|
  92. Math

    In a particular orchard, there are two times the number of oranges as there are apples and six times the number of oranges as there are pears. The expression j+k+6k represents the total number of fruits at the orchard.
  93. Probability

    A loaded die has the property that the probability of throwing an odd number is three time the probability of throwing an even number. If the even number are equally likely to appear, find the probability of rolling either a 3 or a 6.
  94. MATH

    1. WHICH SYMBOL WILL MAKE THE NUMBER SENTENCE -|16| ? 16 TRUE? A. = **** B. < C. > 2.WHICH SET OF NUMBER IS FROM LEAST TO GREATEST A. 7,|-4|,-7,0,-|3|,3 B. -|3|,-7,0,3,7,|-4| C. -7,-|3|,0,3,|-4|,7 D. 7,|-4|,3,0,-|3|,-7 3. WHICH SYMBOL WILL MAKE |-6|
  95. chemistry

    In any chemical reaction, the quantities that are preserved are what? A. the number of moles and the volumes B. the number of molecules and the volumes C. mass and number of atoms D. mass and moles
  96. math

    3/7 of the muffins in the bakery were carrot muffins. The number of blueberry muffins was twice the number of multi grain muffins. The number of multi-grain muffings was 1/3 the number of banana muffins. If there were 108 multi0grain muffins, how many
  97. math

    Does anyone know how to explain mean, median, mode and range mean?? mean-the average of a group of numbers median-the number that is in the middle in an in order group of numbers mode-most common number in a group of numbers range- the difference or
  98. 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
  99. math

    Jame shas an assigned seat for his flight to Denver. The seats on the plane are numbered 1-49. Jame's seat number is an odd number greater than 10 that is factor of 100, What is his seat number for the flight?
  100. BIOSTATISTICS PLEASE HELP

    exercise: The average number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as