Three numbers whose sum is 15 are in a.p. if 1,4,19 be added to them respectively the resulting number are in g.p find n

28,762 results
  1. Are all answers right?

    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)

  2. math 7Probability help

    two numbers rolled can be added to get a sum. Find P(sum is even) is it 1/4 ? or 1/2? I think it is 1/4

  3. Math

    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)

  4. math

    A number cube with sides labeled 1 through 6 is rolled two times, and the sum of the numbers that end face up is calculated. What is the probability that the sum of the numbers is 3?

  5. Math

    An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the

  6. Math - Help!

    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)

  7. math

    two numbers rolled can be added to get a sum. Find P(sum is even) is it 1/4 ?

  8. Calculus

    The sum of two positive numbers is 10. Find these numbers if the sum of their squares is a maximum.

  9. Math

    The sum of two numbers is five. The sum of the squares of the two numbers is thirteen. Find the two numbers. (Enter your answers as a comma-separated list.)

  10. Math

    My question: A spinner looks like this: A disc divided into sections that might or might not be the same size, with a pointer that when spun will land on some part of the disc at random. The sections might be colours, or, as in these problems, have numbers

  11. Mathematics

    Getting the sum 5 when two number cubes labelled 1 to 6 are rolled and the numbers are added

  12. Math

    Two six-sided dice are rolled at the same time and the numbers showing are observed. Find the following. a. P(sum=6) (1,6), (6,1) 1/36+1/36=2/36 b. P(sum=3) =1/36 c. P(sum is an odd number) 30/36 d. P(the two dice show same numbers) ? Can you check my

  13. CHEK MATH PLZ!!!

    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)

  14. Math

    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)

  15. One Math

    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)

  16. Math

    1.(A)(i)Show that 2+4+6+8+..+2n=n(n+1). (ii)Find the sum of the first 200 even numbers. (iii)Find the sum of the first 200 odd numbers. (B)(i)Use the formula at the beginning of the question to find the sum of the first 2n natural numbers. (ii)Find a

  17. Maths

    The sum of two numbers is 21 .two-thirds of one number is added to three-quarters of the other number to give 15 .find the two numbers,showing clearly your workings.

  18. Math/ Number sense

    Use the numbers shown. Make the sum of the numbers across equal the sum of the number down. 7 5 1 9 3

  19. Mathematics

    The sum of two numbers is 21. 3/4 of one of the numbers added to 2/3 of the other number gives the sum of 15. Find the two numbers

  20. math

    If two dice are rolled and their faces noted, find each of the following probabilities: a) the sum of the two dice is 8 b) both dice show even numbers c) the sum of the two dice is 8 OR both dice show even numbers d) the sum of the numbers is 7, given that

  21. 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

  22. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

  23. Algebra- please help answer

    Ursula wrote the sum of 5.815 plus 6.021 as a sum of two mixed numbers? A. What sum did she write? B. Compare the sum of the mixed numbers to the sum of the decimals? Please help answer ASAP. Thanks

  24. Math

    Two number cubes are rolled. Both cubes are labelled 1 to 6. The numbers rolled are added. a)The sum is 12. b)The sum is less than 4. c)The sum is 7. d)The sum is 2.

  25. Geometric progression

    Three numbers whose sum is 15 are in a.p. if 1,4,19 be added to them respectively the resulting number are in g.p find n

  26. statistics

    An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the

  27. math

    The sum of two numbers is 33. The sum of the smaller and 3 times the larger is 81. Find the numbers.

  28. mathematics

    the sum of two numbers is 38 when 8 is added to twice one of the numbers the results is 5 times the other numbers find the two numbers shows working

  29. math

    Four different positive integers sum to one hundred twenty-five. If you increase one of these numbers by four, decrease the second by four, the multuply the third by four, and divide the last by four, you will produce four equivalent numbers. What are the

  30. Algebra

    Eleven numbers with the sum 105 are written on the circle. The sum of any two consecutive numbers is not smaller than 18. Find the least possible value of N, so that each number on the circle is not greater than N, for any set of numbers.

  31. math

    Two non-negative numbers are chosen such that their sum is 30. Find the numbers if the sum of their squares is to be a maximum. Explanation to solve this would help !

  32. Math

    Nine consecutive odd whole numbers sum to 243. Find the sum if the first and last whole numbers in this nine-addend ser.

  33. Int Algebra

    The difference of two numbers is 7. The sum of the numbers is -1. What are the numbers? I've come up with two equations: x-y=7 and x+y=-1 but don't know what to figure it out from there since there are no numbers on the left side of the equation to work

  34. math

    sabrina used a calcutator and started adding the whole numbers in order 1+2+3+4+5+..... what is the last number she would add that would get the sum on her calculator over 1000? Try it yourself. You'll be surprised that it won't take very long to add up to

  35. algebra

    The sum of two numbers is 56. The sum of the smaller and 5 times the larger is 192. Find the numbers.

  36. MATh Methods

    1. The cost of producing x hundred litres of olive oil is 20 + 5x dollars. If the revenue from the sale of x hundred litres of the oil is 1.5x2 dollars, calculate to the nearest litre, the number of litres that must be sold to make a profit of $800. 2. The

  37. mathematics

    the sum of two numbers is 31. 2/3 of one of the numbers added is equal to 5/8 of the other.find the two numbers

  38. Algebra

    Ursula wrote the sum 5.815 +6.021 as a sum of two mixed numbers. part A. What sum did she write? b. Compare the sum of the mixed numbers to the sum of the decimals? Please answer both questions thanks

  39. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

  40. math

    what is the sum of all consecutive numbers from 101 to 200, those two numbers inclusive? Halfway between, is 150. Then add 149+151,thence 148+152, and so on till 101+199. Each instance you have 300. So it seems to me... Sum= 200 + 150 + 300*N, where N is

  41. Geometric progression

    Three numbers whose sum is 15 are in A.P. If 1,4,19 be added to them respectively the resulting number are in G.P find

  42. Math

    Which numbers are included in the set of integers that when added to − 4 -4 give a sum of less than zero? Select two answers. A.3 B.7 C.9 D.-2 E.4 I think the answer is -2 and 3

  43. Math

    The 3rd and 7th terms of an A.P are -1 and 11 respectively. Fine the nth term and the numbers of which must be added to get a sum of 430

  44. math

    I am thinking of 3 different whole numbers which have a product of 36. 5 more than the sum of the 3 numbers is a perfect square. what is the sum of my 3 numbers?

  45. Math

    A magic square is a square of numbers with each row, column, and diagonal of the square adding up to the same sum, called the magic sum. Arrange the numbers, -1,0,1,2,3,4,5,6,and 7 into a magic square. How does the average of these numbers compare with the

  46. Math

    Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. Of the three possible solutions, which numbers

  47. Math

    The product of three whole numbers is 36. Five more than the sum of the three numbers is a perfect square. What is the sum of the numbers?

  48. Math

    A magic square is a square of numbers with each row, column, and diagonal of the square adding up to the same sum, called the magic sum. Arrange the numbers, -1,0,1,2,3,4,5,6,and 7 into a magic square. How does the average of these numbers compare with the

  49. 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?

  50. 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

  51. math

    this is real hard and i would love some help. In a game of craps, a player rolls 2 balanced dice. There are 36 equally likely outcomes. What is the probability that: a) the sum is either 3 or 8 b) the sum is 6 or doubles rolled c) the sum is 6 AND doubles

  52. Math riddle

    nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1. no one cares...durrr....

  53. Math riddle

    nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1.

  54. Math

    Out of the numbers divisible by 3, we picked 4 consecutive numbers. To the sum of these, we added a third of the sum, and then the half of the third of the sum. We got 225. What are those 4 numbers?

  55. mathematics-Algebra

    I think of two whole numbers;the product of the average of the sum and difference of the numbers and the difference of the sum and difference of the numbers is 12.if three times the first added to the second makes up 11..find the two numbers please show

  56. Integers

    Suppose a1, a2, . . . , an is a list of n numbers with the following properties: The sum of those n numbers is 500. The sum of the smallest three of those numbers is 48. The sum of the largest two of those numbers is 35. (Note: There might be some

  57. Math (Probability)

    I've worked out the first part of the question, just need help with the second part which is: The spinner has three sections. While no two are the same size, one of the sections is half the size of another. • You are more likely to get 2/3 than one if

  58. Math

    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)

  59. Grade 8 Math

    Can you write them in Mathematical/numbers form I'll solve them myself. i don't really get it though i have written the first one in mathematical for but i'm not sure if that's right. 1. When six is subtracted from five times a certain number, the result

  60. math

    The sum of the first 5 natural numbers is 15 or (5)(6)/2. The sum of the first 21 natural numbers is 231=(21)(22)/2, and the sum of the first 30 numbers is 465. Use inductive reasoning to derive the formula for the sum of the first n natural numbers.

  61. math probability

    Two friends were each rolling a die. After they rolled, they found the sum of the numbers showing on each die. What is the probability that the sum is 7? I added the sides together and simplified to get 1/6, but I don't think that's right.

  62. Math

    Ursula wrote the sum 5.815 + 6.021 as a sum of two mixed numbers. A. What sum did she write? B. Compare the sum of the mixed numbers to the sum of the decimals.

  63. SUMS?

    what is the sum of the first towo odd numbers? what s the sum of the first three odd numbers? what is the sum of the first 4,5 and 25 odd numbers? what is the sum of any number (n) of odd numbers? explain your reasoning. IM SORRY I DO NOT UNDERSTAND THE

  64. Algebra

    Jill made two 6 sided dice and labeled each of them with these numbers. -3, -2, -1, 0, 1, 2 Suppose this pair of dice was tossed 1,000 times and the numbers on the two top faces were added. Which sum would probably be the most common? And why?

  65. Math 8th grade

    I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums is 12 more than the smaller. Their sum is 84.Find the numbers. The sum of two numbers is 45. The first is 9 less than the second.Find the numbers. The second of two numbers is 5 more than twice

  66. Algebra

    This is my second post . I still don't get and it is due tomorrow! !! Jill made two 6 sided dice and labeled each od them with these numbers -3, -2, -1, 0, 1, 2 Suppose this pair of dice was tossed 1000 times and the numbers on the two top faces were

  67. Mathematics

    the sum of two numbers is 13 twice the first number added to thrice the second number is 21 find the two numbers

  68. math

    Consider an equilateral triangle with points located at each vertex and at each midpoint of a side. (See picture.) This problem uses the set of numbers {1, 2, 3, 4, 5, 6}. Place one number at each point. Call the sum of the three numbers along any one side

  69. math

    What value could be added to 2/15 to make the sum greater than 1/2. A. 1/15 B. 8/30 C. 5/15 D. 8/15 2. Which set of mixed numbers had a difference less than 1? A. 1 2/9,1 1/9 B. 3 4/7,2 1/7 C. 2 4/5,1 1/3 D. 2 7/9,1 1/3 1. A 2. A Thanks

  70. java/programming

    Please help me, its emergency!!! The 10 numbers will be collected from the keypad using a loop. If the number entered is a prime only, that number will be added. How do I write a Java program to input 10 prime numbers and print the sum?

  71. math

    Which numbers are included in the set of integers that when added to −4 give a sum of less than zero? Select two answers. a.3 b.7 c.9 d.-2 e.4

  72. Math

    The sum of two numbers is 9.twice their product gives 40.find the numbers. One number exceeds another by 4.the sum of their square is 208. What are the numbers. The area of a rectangular field is 108square .the perimeter is 42. Find the length.

  73. Statistics

    Two six-sided dice are rolled at the same time and the numbers showing are observed. Find the following. a. P(sum=2) b. P(sum=3) c. P(sum is an even number) d. P (the two dice show different numbers)

  74. Math

    10.Mr. Cartwright bought 2 7/8 pounds of grapes for his lunches. If he paid $1.79 for each pound about how much did he pay for grapes? A.6 B.3 C.7 D.4 C 17.Omar is getting a new rectangular rug for his room. His old rectangular rug is 2 meters wide and 2.7

  75. Perry

    The sum of two numbers is 15 the sum of the squares of the same two numbers is 172 fined the difference between the two numbers

  76. College Algebra

    The sum of two numbers is less than 12. The second number is 8 more than the first. What are the possible values for the first of the two numbers? Your problem would look like this X+(X+8)

  77. Math

    Working with simple addition and multiplication of positive and negative numbers. Have completed 59 of 60 problems on a worksheet, I am stumped by one of them. For example Two numbers are given 30 and 13, You must find two number multiplied together equal

  78. math

    I am thinking of whole numbers. when I add them, their sum is 123. When I subtract the three lesser number from greater number, their difference is 45? what are my numbers? i am having trouble going step by step with this. i added 61+62=123. i think this

  79. programming

    Using Raptor, create a condition loop that will ask the user for input of two numbers. The numbers should be added and the sum displayed. The loop should also ask the user if he or she wishes to enter two more numbers and perform the operation again, the

  80. math

    three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, the second number is increased by 42, and the sum of the numbers remains the same, find the resulting ratio of the numbers.

  81. sir steve reiny plz maths

    Suppose you have 5 real numbers whose sum of squares is equal to 5. What is the maximum value of the sum of cubes of these 5 numbers? Please show step

  82. statistics

    400 draws are made at random with replacement from 5 tickets that are marked -2, -1, 0, 1, and 2 respectively. Find the expected value of: 1. the number of times positive numbers appear 2. the sum of all the numbers drawn 3. the sum of the positive numbers

  83. singapore math

    Using these numbers to fiqure the problem. (120,30,90,60,50,40,160,80) The sum of two numbers is 190. What would the answer be? And the sum of their digits is 10.

  84. Algebra

    three numbers are such that the second is the difference of three times the first and 6 while the third is the sum of 2 and 2/3 the second. The sum of the three numbers is 172. Find the largest number.

  85. math-word problems with quadratics

    I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4)

  86. Math

    Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. OOO O 0 Of the three possible solutions, which

  87. Math

    When factoring a trinomial that is in the format Ax^2 + Bx + C, the number that is represented by B should be viewed as the _____? a. product of two numbers b. the sum of two numbers c. square root of two numbers d. remainder of two numbers I believe it

  88. Math

    Fifteen numbers are written on the circle. Each number is equal to the absolute value of the difference of the next two numbers (moving clockwise). Find the greatest of the numbers, if sum of all numbers is 2.

  89. math

    if you have 3 rows and three columns and you have to find the hidden numbers. each number is less than 100,the sum of the digits of each number in column 2 is 10,the sum of the numbers in column 1 is 30,row 1 contains odd multiples of 7,the sum of the

  90. Pre-Calculus

    If the sum of two numbers is 1 and the sum of the cubes of the numbers is 3, what is the sum of the squares of the numbers?

  91. Math

    The sum of two numbers is 37. The sum of their squares is 756.5. Find the two numbers The answers are 12.5 and 24.5. But I keep getting 44.69 and -7.69

  92. Mathematics

    The sum of two numbers is 38.when 8 is added to twice one of the numbers,the result is 5 times the other number.Find the two numbers

  93. MATH

    d sum of 2 numbers is 38 when 8 is added to twice one of the numbers d result is 5 times the other number find d two no

  94. Algebra 1

    What value could be added to 2/15 to make the sum greater than 1/2. A. 1/15 B. 8/30 C. 5/15 D. 8/15 2. Which set of mixed numbers had a difference less than 1?

  95. maths

    he sum of two numbers is 15 the sum of the squares of the same two numbers is 172 fined the difference between the two numbers

  96. Math

    the sum of two numbers is 21 five times the first number added to 2 times the second number is 66 find the two numbers

  97. Math

    what are 2 numbers when the estimated difference of 1001 and 999 is added to the estimated sum of 3846 and 525

  98. programming

    1)Your program will get numbers (int) from the user. Do this in a while loop so that you keep getting more numbers. If the number is a multiple of 3 or 5, do nothing (use the "continue" command for this) If the number is -99 then exit the loop All other

  99. 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?

  100. Reiny (this was the one you helped me with)

    I tried to explain it by using the arrangement of billiard balls, but I guess you don't play pool. let me try to "draw" the billiard balls . . .o . . o o . .o o o . o o o o o o o o o o sum of one row = 1 sum of two rows = 3 sum of three rows = 6 sum of

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