1. probability

    I am lost. How do I figure this out? I know there are 2 ways to get the sum of 5 but do I count it backwards too? 1+4 4+1. How do I know how many sums? Joe rolled two fair number cubes that have faces labeled 1 to 6 each. He rolled the two cubes 180 times. According to the ...
  2. Math

    2. Anita multiplies a number by 2 and then adds her starting number to the product. Amit adds this same original number to itself and then multiplies that sum by 2. The difference between Anita’s and Amit’s results is 9. What is their starting number?Explain.
  3. Math

    How do you do. Please Explain Sum of X Sum of Squares Sum of X squared
  4. Arithmetic

    three numbers in an arithmetic sequence sum up to six. if you add 1 to the first number, 2 to the second number, and 5 to the third number, what are the orginal three numbers?
  5. Math

    There is the mystery number between 337 and 400. This number has 2 digits that are the same. The sum of all the digits is 12. What is the mystery number?
  6. math

    I MUST DRAW TWO CARDS WHOSE SUM IS NINE, FROM A STACK OF CARDS NUMBERED ONE THRU TEN. AFTER THE FIRST DRAW, I REPLACED THE CARD AND SHUFFLE THE STACK AGAIN FOR THE SECOND DRAW. WHAT IS THE CHANCE THAT MY TWO CARDS WILL HAVE A SUM OF NINE IF I DREW 10-TIMES. MY ANSWER IS 20 ...
  7. Math....Please help I have a deadline for tonight!

    Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6 decimals on all assignments. Answer: Show work in ...
  8. math

    At a school prize giving day the number of men was half of women. The number of children was three times that of women. The number of women who attended was 3x. What was the sum of the men and children?
  9. 7th Grade Math

    Stacy has a spinner (1-4) and a number cube (1-6). After spinning and rolling the number cube, she will add the two numbers. What is the probability that the sum of the numbers from the spinner and number cube will be 3 or 4?
  10. chemistry

    How many of the following are true concerning balanced chemical equations? I. The number of molecules is conserved. II. The coefficients for the reactants tell you how much of each reactant you are given. III. Atoms are neither created nor destroyed. IV. The coefficients ...
  11. Math

    a number rounds off to 4000.the digits in the hundreds place is twice the digits in the tens place.the sum of the digits is 12.the number uses only two different digits.find the number
  12. math

    a number rounds off to 4000.the digits in the hundreds place is twice the digits in the tens place.the sum of the digits is 12.the number uses only two different digits.find the number.
  13. quiz

    The vertices of a cube are labeled with the numbers 0,1,2,3,4,5,6 and 7, such that no two vertices are labeled with the same number. The sum of any 2 numbers on an edge is prime. What is the maximum sum of the 4 numbers on a face?
  14. Maths

    The vertices of a cube are labeled with the numbers 0,1,2,3,4,5,6 and 7, such that no two vertices are labeled with the same number. The sum of any 2 numbers on an edge is prime. What is the maximum sum of the 4 numbers on a face?
  15. math - pre algeabra

    max downloaded a number of tunes to his new phone. amy purchased a number of tunes that was three times the sum of two and the number that max added to his phone. what is the expression that is the amount of amy's purchase?
  16. Math

    The sum of three numbers is 69. The first number is one less than the second number. The third number is seven more than the second number. What are the three numbers?
  17. MATH!

    The sum of two prime numbers is the prime number 89,563. Find the smaller of the two addends. I attempted the problem but I'm not sure if it is right. 89,561 is a prime number and so is 2. So is the answer 2?
  18. Algebra 1

    Can someone please help me understand this. This is not graded or anything I just want to know how to do this. - Chloe rolls two-sided number cubes and adds the numbers showing on the cubes. What is the probability that the sum of the number cubes is even or five?
  19. Statistics

    For a math assignment we need to design a dice roll game with different expected values of winning. The game should require a player to make a bet on the sum of one roll of two dice. If the dice sum to that number, the player wins; otherwise, he loses. We need to create a fair...
  20. science

    calculate the % of compound A extrcted if an aqueous solution containing 5.0g/100 ml is extracted with 33ml of diethyl ether thrice.(partition for ether-water distribution=4:1)
  21. algerbra

    1. use a commutative law to find an equivlant expression f+sr? sr+f? 2. determine which real number corresponds to the situation. The record high tempature for a date is 97.8 above zero. The cooresponding number for this sentence is 97.8? 3.Translate to an algebric expression...
  22. word problem

    The number whose digits have a sum the same as the digits in 36. This number is less than 50 and greater than 36.
  23. Math

    A number rounds to 5.4. The sum of the digits is 14. The product of the digits is 48. What is the number?
  24. college

    One Number Is 3 Times Another Number. If The Sum Of The Reciprocals Of The Numbers Is 1/6, What Are The Two Numbers?
  25. Math

    A number rounds to 8.2. The sum of the digits is 13. The product of the digits is 48. What is the number?
  26. Algebra 2

    The sum of two numbers is 100. One number is four more than three time the other number. What are the last numbers?
  27. Algebra

    The sum of two numbers is 1161. The first number is 183 less than twice the second number. What are the numbers?
  28. algebra

    The sum of two numbers is 43. The smaller number is 15 less than the larger number. What are the numbers
  29. Math

    A number rounds to 5.4. The sum of the digits is 14. The product of the digits is 90. What is the number?
  30. Math

    the sum of two numbers is 43. the larger number is 9 more than the smaller number. what are the numbers
  31. maths

    The sum of two numbers Is 31.2/3 of one number is eaual to 5/8 of the other number.find the numbers
  32. Algebra

    Find a number such that the sum of two times the number and six times its reciprocal is 79/5.
  33. maths

    The sum of two numbers is 35. The second number is four times the first number.Work out the 2 numbers
  34. Math

    The sum of two numbers is 53 . The larger number is 13 more than the smaller number. What are the numbers?
  35. algebra one

    three times the sum of a number and six is greater than four times the number decreased by two
  36. math

    the sum of two numbers is 20.one number is 3 time the other number . find the two numbers?
  37. Geometry

    the sum of two whole numbers is an even number. one of the numbers is even. can a deduction be made about the other number?
  38. Algebra

    eight times the difference of a number and three is equal to six times the sum of a number and one 8(x+3)=6(x+1) is this right?
  39. math

    four times a number plus three times the sum of a number and four is equal to negative nine
  40. math

    the sum of two numbers is 58. the smaller number is 18 less then the larger number what are the numbers?
  41. algebra

    I am thinking of two numbers whose sum is 5. If I add the second number to twice the first number, I get 2. What are the two numbers
  42. math

    The sum of three different numbers is 18. If every number is a prime number, what are the three numbers? 11+5+2 is it correct
  43. Math

    The sum of two numbers is 48. One number is 24 more than the other number. Find the numbers. My thinking is X=48-24. X=24
  44. Maths

    Sum of 3 numbers in GP is 39 and second number exceeds the first number by 6 . Find the numbers
  45. algebra

    The sum of two numbers is 70. One number is 10 more than twice the other number. Using Elimination find the numbers.
  46. math

    1.The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5...
  47. statistics

    a box contain five silp of paper marked 1,2,3,4and5 tow silp are selected without replacement,list the possible vaule for each of following random variable the sum of two number on two silp the difference between the first and second number
  48. math

    the sum of a number and 19 is at least 8.2.
  49. Math

    The sum of a number and 10 is -10
  50. Algebra

    The sum of a number and 10 is -10
  51. Math

    The sum of 20 and a number is 30
  52. math

    the sum of 7 and three a number b is at least 12 ?
  53. ALGEBRA

    The sum of nine and a number, x, is three
  54. math

    the sum of any number and 0 is ?
  55. college math

    Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. 7) If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. A number is divisible by 3. Therefore sum of the digits of that ...
  56. Math

    Help pls! I just need to set the equations only, I can do the rest. The qu. Is: The sum of three numbers is 15. The sum of the first, the second, and twice the third is 20. The sum of the first, twice the second, and three times the third is 27. This is what I did: 1st # = x ...
  57. Maths

    The sum of 1st five terms of an AP nd the sum of the 1st seven termd of the same AP is 167. If the sum of the 1st ten terms of this AP is 235, find the sum of its1st twenty terms
  58. Maths

    The sum of 1st five terms of an AP nd the sum of the 1st seven termd of the same AP is 167. If the sum of the 1st ten terms of this AP is 235, find the sum of its1st twenty terms
  59. Pre-Calculus-check answers

    How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 students must be seniors? Answer: 5400 Find the probability of getting a sum of 5 on the first toss of two number cubes and a sum of 6 on the second toss. ...
  60. Algebra

    The sum of two numbers is 6. The result when the greater number is decreased by twice the lesser is 9. Let x be the greater number and y be the lesser number. Find the numbers. Thank you
  61. precal

    I have two questions for the same problem I need help with. The sum of 2 numbers is 56. The smaller number is 1/3 the bigger one. If x is the smaller one an equation for the numbers is: a)x-y=56 b)xy=56 c)x/y=56 d)x+y=56 I want to say the answer's c but I'm not sure. Another ...
  62. math

    The state lottery (which has a 6% lottery tax) offers to pay winnings in 25 annual payments or one lump sum, sometimes called a cash-out option. This week’s lottery has a jackpot of $30 million and a cash-out value of $18.2 million. Granted that the odds are highly unlikely ...
  63. Algebra 1

    what is the equations "The sum of two numbers is 75. The first is 9 more than 5 times the second. Find the first number?" What is the equations "Jack's bowling score is 20 less than 3 times Jill's score. Thw sum of their scores is 220. Find the score of each?"
  64. Technology

    1. What function would you use to find the mean in a microsoft(R) excel document A. ROUND B. AVERAGE •• C. SUM D. HYPERLINK 2. What is the first thing you should do to find the mean and range of data? A. put the numbers in order from least to greatest •• B. count the ...
  65. Education and technology

    1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...
  66. technoligy

    1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...
  67. technoligy

    1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...
  68. technoligy

    1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...
  69. math

    can someone help me on this question ive been stuck on it for almost an hour The mean of two numbers is 5. The sum of four times one number and three times the other number is 2. Find the numbers. can u help me get start it by giving me the formula please and thank you
  70. Math

    Representing each sum as a single rational number. a.-14 + (-8/9). -14 8/9? b. 7 + 1/9 = 7 1/9? c. -3 + (1/6) = -3 1/6? Do i just add the fraction and number together? and, the last problem is: a student is completing a math problem and is at the last step: 25 - 28 1/5. How do...
  71. algebra

    a whole number is added to a number wih two digits after the decimal point. To make sure he answer is reasonable, how many digits should the sum have after the deimal point? a. none ** b. 1 c. 2 d. infintely many
  72. Algebra

    The sum of two numbers is fourteen. Using x to represent the larger of the two numbers, translate "the difference between five more than the larger number and three times the smaller number" into a variable expression. Then simplify.
  73. algebra

    The sum of two and the product of one and a number xx.
  74. Math

    the sum of 2 whole number is 72 and the difference is 48
  75. math

    how can i know what the sum of the number is through a fraction
  76. Mathematics

    "One number is 5 more than another. Their sum is 53. What are the two numbers?"
  77. Pre-Algebra

    the sum of a number and 14.5
  78. math

    Two thirds the sum of 30 and a number is 26.
  79. math

    33 divided by the sum of a number and 7
  80. Math

    The sum of five and three times a number
  81. math

    the sum of a number divided by 4 and 5 is 2.
  82. math please HELP!!!

    please help!! what is 6 times the sum of 13 and a number? 6(13+ N)
  83. MATH

    The sum of 14 and twice a number y is equal to 78 ?
  84. algebra one

    twice the sum of a number is less than twelve
  85. probability distribution

    A coin is biased such that a head is thrice as likely to occur as a tail. Find the probability distribution of heads and also find the mean and variance of the distribution when it is tossed 4 times. P(head) + P(tail) = 1 P(head) = 3 P(tail) Solving gives: P(head) = 3/4 If we ...
  86. math urgent

    The state lottery (which has a 6% lottery tax) offers to pay winnings in 25 annual payments or one lump sum, sometimes called a cash-out option. This week’s lottery has a jackpot of $30 million and a cash-out value of $18.2 million. Granted that the odds are highly unlikely ...
  87. math

    How do I work out Logs on my calculator to do the sum Log6x=0 or Logx64=2. I have a sharp EL-EL531WH Advanced D.A.L. What is x? This is how I work this one out on it, Log2^16=4 I do Log big number 16 /Log small number 2 = 4.
  88. Math

    Make your own equation. 1. A number is 6 times another number. The sum of the two numbers is 56. @. Donna has twice as many coins as Cathy. When Donna gives Cathy 2 coins, they each have the same number. How many coins do they each have? Let the number of coins that Cathy has ...
  89. Pre-Cal

    a red number cube and a white number cube are rolled. Find the probability that the red number cube shows a 2, given that the sum showing on the two number cubes is less than or equal to 5. My work: (red cube = [1,2,3,4] white cube = [4,3,2,1] Probability of a 2 on the red ...
  90. Medical Coding 1

    Please help me with these questions to see if I'm right or close 1. Which of the following ICD-9-CM code groups is used to report the infant status after delivery of a birth event? A. V27.0–V27.9 B. V26.0–V26.9 C. V29.0–V29.9 D. V28.0–V28.9 I thought it should be: A 2...
  91. statistics

    Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
  92. statistics

    Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
  93. ms.sue math

    Which sum will be irrational? a. 3 + 2 b. √19 + 7/2 ****** c. 18/3 + 11/10000 d. –6 + (–3.251) Which product will be rational? A.17.12 * 33 ***** B. √ of 3 * √ of 9 C.4*pie D.- √ of 20 * 15 A whole number is added to a number with two digits after ...
  94. Algebra

    Write a system of equations to model the problem and solve the system: The sum of two numbers is 156. What number is 28 more than the second number. What are the numbers?
  95. algerbra help azap

    Ten times a number, x, is one-half the sum of the number and three. Which equations represents this situation? A.10x=1/2x+3 B.10x+1/2x+3 C.10x+1/2(x+3) D.10x=1/2(x+3)
  96. Algebra

    Write a system of equations to model the problem and solve the system: The sum of two numbers is 156. What number is 28 more than the second number. What are the numbers?
  97. ps 27

    The sum of two numbers is 120. If four times four times the smaller number is subtracted from the larger​ number, the result is 15. Find the two numbers.
  98. Math

    the lenght of a rectangular field is thrice its breadth. if the area of field is 7500 m square, find the cost of fencing the field at the rate of RS 10 per meter
  99. math

    1.Drew has fifty-six rolls. seven rolls will fit on one tray. how many trays does he need to carry all of the rolls? write an equation to solve the problem. 2. one gallon is about 3.78 L.about how many liters tow gallons? use words to write the answer. to estimate the sum of $...
  100. Algebra 2

    So I solved this problem but, strange as it sounds, I don't know how to do the work. Here's the question: One number is eight less than another number. The sum of the numbers is eighty. Find both numbers. Here's what I've got: y-8=x x+y=80 x=36 y=44 I won't get credit unless I...
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