1. Statistics

    Which one of the following is NOT an example of discrete data? A. number of households watching the Home Improvement. B. number of employees reporting in sick. C. number of miles between New York City and Chicago. D. number of members of the Dobbs Ferry- Irvington Lions Club. ...
  2. MATH

    THE FIRST AND LAST TERMS OF AN ARITHMETIC SERIES IS 5 AND 61 RESPECTIVELY WHILE THE SUM OF ALL THE TERMS IS 957. DETERMINE THE NUMBER OF TERMS IN THE SERIES.
  3. Ratio

    Three numbers are in the ratio of 3:5:7. If the largest number is multiplied by 3, the result is 26 more than the sum of the first and second numbers. Find the numbers.
  4. MATHS

    Rama and Radha each had a set of marbles . rama said to radha 'if you give me 10 of your marbles then i shall have twice as many as you have' . radha said to rama ' if you give me 10 of your, i shall have thrice as many as you have' found the marbles that each possesses
  5. Math

    Delivery Dilemma. I have a problem where i need to figure out the order of a delivery route. The problem has eight stops in 2 rows. The top row from left to right is Green Grocer, Troys toys, tourist travel, and Myers tires. The second row is directly below and has Melodys ...
  6. Maths

    A super-Fibonacci sequence is a list of whole numbers with the property that, from the third term onwards, every term is the sum of all the previous terms. For example, 1, 4, 5, 10, ... How many super-Fibonacci sequences with 1 involve the number 2016? A.1 B.3 C.5 D.7 E.9
  7. math easy challenge

    Square Numbers Lagrange's Theorem A famous mathematician called Lagrange proved that every whole number could be written as the sum of 4 or fewer square numbers. Examples: 19 = 16 + 1 + 1 + 1 35 = 25 + 9 + 1 47 = 36 + 9 + 1 + 1 What would 96 be? Please help!!
  8. Math

    A classroom in a college is 15m long and 12m broad. If the sum of the areas of its floor and the ceiling is equal to the sum of the areas of 4 walls of classroom , the volume of the classroom is.
  9. algebra

    Suppose that these 15 measurements are respectively labeled x1,x2,..,x15. (Thus,-27 is labeled x1,62 is labeled x2,and so on.) Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43) I ahve no idea how to solve this becaue I never seen this type of math before. Someone ...
  10. Math

    A student was asked to divide a number by 12. Instead he divided the number by 24. In doing so he got a quotient which was 16 less than the original number. Which of the following cannot be the value of that number. A) 394 B) 398 C) 396
  11. physics-vectors

    If the magnitude of the sum of two vectors is greater than the magnitude of either vector, then: If the magnitude of the sum of two vectors is less than the magnitude of either vector, then: a. the scaler product of the vectors must be negative b. the scaler product of the ...
  12. Algebra

    You spin a spinner that has eight equal-sized sections numbered one to eight. Which event is least likely to occur? • The number is even. • The number is less than three. • The number is greater than three. • The number is a multiple of five.
  13. working with data

    Mary rolls 2 number cubes with sides numbered from 1 to 6. if she rolls a 3 on one of the cubes , what is the probability that the sum of the numbers facing up on both cubes is greater than or equal to 5? express your answer as a decimal rounded to the nearest hundreth.
  14. algebra

    Please help me find the domain for the following functions. If I understand this correctly I can use any number as long as the denominator does not equal zero 1) y = 7/(1 +x) can be any number except -1 2) y = -2/(6- x) can be any number except -6 3) y = 8/(2x - 1)can be any ...
  15. chemistry

    Which of the following has the greatest effect on the properties of an element? A. the number of ions B. the number of protons C. the number of neutrons D. the number of electrons
  16. earth science

    If an atom has 17 electrons and its mass number is 35, calculate the following: number of protons, atomic number, and number of neutrons.
  17. math

    a two figure number is written down at random find the probability a)that the number is greater than 68 b)the number is a multiple of 9 c) it is less than 100 d) it contains at least one 5 (i.e a number such as 15 or 55
  18. math

    yea it sais, three times one number added to another number is 18. twice the first number minus the other number is twelve. find the numbers
  19. Math

    The average of four possible numbers is 15. The second number is 2 times the first number. The third number is twice the second. What is the largest number? Would these be consecutive integers? And then you find the median??
  20. Its math, cmon answer!!!

    This is my HW problem; I'm thinking of a number. When I double my number, subtract five, and then add my original number, I get one. What's my number?
  21. Trigonometry

    How to memorize the sum-to-product and product-to-sum formulae more easily ?? I know how to deduce the formula but when i try to memorize it, its so hard. Always sin, cos, a+b, a-b, i always get confused. Is there any way to memorize more efficiently??
  22. Math

    1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... 2. Is this a geometric sequence? 2x, (4x-2), (6x-4), ..... 3. Show the equivalent values of the decimal 0.7575757575..... in fraction form. 4. What is the sum of the geometric sequence 4/3, 2/3, 1/3, ...
  23. Math

    Jefferson Davis, President of the Confederate States of America, lived a square number of years. he died in 1889. The digits of the year in which he was born sum to 17. When was Jefferson Davis Born.
  24. Math Urgent

    To form a certain sequence, the rules are: 1)If a number is even, divide by 2 to get the next number 2)If a number is odd, multiply by 3, then add 1 to the the next number. Starting with 12,the 1000th term would be... a.1 b.2 c.3 d.4 THANKS
  25. math

    The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P
  26. math

    The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P
  27. Pre-Algebra

    How does finding the square root of a number compared to finding the cube root off a number use number 64 in your explanation. xx check my answer ;3 the square root of a number is a number which when multiplied twice by itself gives the number that was used to find such. &#...
  28. SCIENCE

    How do you figure out the following ..?::::: Mass Number Number of Protons Number of Electrons (OF A ELEMENT) Number of Neutrons Thanks ~ Courtneeeey (:
  29. math

    I don't know how to write these 2 sentences. One number is twice another number. Twice the lesser number increased by three times the greater number is 75
  30. Math

    Directions: Write an expression for each of the following. Use n for the unknown number Questions: four less than a number a number increased by the same number I am confused, thanks!
  31. Math

    Write the word sentence as an equation. The product of a number m and 2 is 8 2m=8 6 less than a number t is 7 t-6=7 A number m increased by 5 is 7 ? 8 is the quotient of a number g and 3 ?
  32. Calculus - Riemann Sum

    Given a function f(x) = squr(3 + 2x), on [-1,1], subdivided into 4 equally large intervals, calculate the Riemann sum SR4 = 4Ei=1 f(xi)delta(x). my attempt at the solution: [-1,1], a = -1 and b = 1 delta(x) = 1 - (-1)/n = 2/n xi = a + delta(x)i xi = -1 + 2/n(i) so after adding...
  33. math

    Consider the following sums of numbers and how they are formed: 1 odd number } 2 odd numbers 678 3 odd numbers 64748 Predict the following sum and complete the generalization: a. 1 + 3 + 5 + 7 + 9 + 11 = ? b. 1 + 3 + 5 + Á + (2n - 1) = ?
  34. algerba 1

    1. the sum of 3 numbers is 207. the 2nd # is 8 times the first, while the third is 3 less than the first. find the #s. 2. the sumof 3 numbers is 161. the second number is 6 times the first, and the third is 5 more than the second. find the #s. Thanks so much!
  35. Stats-Probability

    Would really urgently appreciate answers to these questions. Thanks. 3. Suppose that two lotteries each have n possible numbers and the same payoff. In terms of expected gain, is it better to buy two tickets from one of the lotteries or one from each? 4. A random square has a ...
  36. Math

    The sum of the integers from 40 to 60, inclusive, is 1050. what is the sum of the integers from 60 to 80 inclusive? Please help me find the pattern and how to use it instead of adding 60+61+62+63..... etc.
  37. Math

    Find the sum of the first 35 consecutive odd numbers. What is the sum of the first 350 consective odd numbers?
  38. Math

    The sum of the integers from 40 to 60, inclusive, is 1050. what is the sum of the integers from 60 to 80 inclusive? Please help me find the pattern and how to use it instead of adding 60+61+62+63..... etc.
  39. arithmetic

    In an AP the first term is 2 and the sum of the first five terms is one fourth of the sum of the next five terms. Show that the 20th term is -112.
  40. maths

    In an arithmetical progression,the sum of the first five terms is 30,and the third term is equal to the sum of the first two.write down the first five terms of the progression.
  41. Math

    find three consecutive even intergers for which the sum of the first two integers is greater than 9 more than the third integer, and the sum of the first and third integers is less than 17 more than the second integer
  42. sports math

    There are many ways to add any numbers 3,5,7,9,11, and 12 to get a sum of 20. Numbers may be repeated.One way to get a sum of 20 is 9+5+3+3. Find four other ways.
  43. Math sequence

    The sum of the first 5 terms of an arthmetic sequence, is 30 and the sum of the next 4 terms is 69 . Find the arthemetic progression?
  44. arithmetic

    The sum of the first 4 terms of an arithmetic series is -8 and the sum of the first 5 terms is 85. Determine the first term and the common difference
  45. Math 130

    Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers?
  46. math-average

    What is SUM AVERAGE? The professor mentioned that the exam average was 58 [out of 100] and sum average was 144
  47. Binomial Theoram

    If A be the sum of the odd terms and B the sum of the even terms in the expansion of (x+a)ⁿ. Prove that A² - B² = (x²-a²)ⁿ.
  48. Math

    "The conjugate of the sum of two complex numbers is equal to the sum of the conjugates of the two complex numbers." This is true right?
  49. Math

    why is 1.6666666667 an irrational number? this was my answer to a question, and you also have to explain why your answer is an irrational number. an irrational number is "any real number that can not be written and the quotient of two number" but it can? so is it a rational ...
  50. maths

    A coin box contained some twenty-cent and fifty-cent coins in the ratio 4 : 3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number of fifty-cents coins...
  51. math

    Find the sum of 8x cube y +2xy cube -18and -12x cube y +7xy cube and subtract it from the sum of 19x cube y -17xy cube +12and -21+5xy cube .? PLEASE SOLVE IT ?????
  52. computer

    Write an algorithm for a program that accepts a set of numbers and finds the smallest among them and computes the sum of the numbers accepted. The program stops when the user enters number 999. Convert the algorithm into flowchart
  53. Algebra

    Don't understand quadratic word problems at all. Please help, with steps. One number is 8 more than another number. Their product is 273. find the numbers. The differance between a number and twice it's reciprocal is 17/10. What is the number? Thanks, Kelly
  54. Chemistry

    Fill in the missing information in the following table of four neutral atoms Symbol- 37Cl number of protons- 36 46 number of neutrons- 42 number of electrons- 33 mass number- 77 106
  55. geometric sequence

    The sum of the 2nd and 5th terms of a geometric sequence is 3.5. The sum of the 3rd and 6th is -7. Determine the ratio r of the sequence and the first term a.
  56. furthermaths

    The sum of the first ten terms of a linear sequence is 60 and the sum of the first fifteen terms of the sequence is 165.find the 18th term of the sequence.
  57. Algebra 2

    In an infinite geometric progression with positive terms and with a common ratio |r|<1, the sum of the first three terms is 26/3 and the sum of the entire progression is 9. Determine the progression.
  58. trig

    for the geometric series shown, state whether the series in convergent. If the Series is convergent give its sum 9+6.3 +4.41 +... a tutor helped me earlier but how is the sum 0.7
  59. Arithmatic Progression

    The sum of the first 5 terms of an AP is 40 and the 7th term is equal to 4 times the second term, find the first term (a), common difference (d) and the sum of the second five terms.
  60. Math Help

    How can you turn this word problem into an equation: One number is twice another number. The larger number is also 32 more than the smaller number.
  61. statistics

    If a fair die is rolled, what is the probability of getting an even number, a number less than 5, a number larger than 6 and an odd number?
  62. Math

    i am a number. i am the product of the number of digits in a half billion and the number of years in a decade. What number am i ?
  63. Maths

    Different between two natural number is 24 the bigger number is four time greater than the smaller number find the number
  64. Math - Year 10 - Simult. Equations

    Q) one number is 9 less than three times a second number. If the first number plus twice the second number is 16, find the two numbers.
  65. linear equation

    p.82#18. if the quotient of a number and 6 is added to twice the number, the real result is 8 less than the number. find the number
  66. Problem Solving Math Question

    Find the sum of all the numbers in the following array: 1 2 3 4 5 6........100 2 4 6 8 10 12 ......200 3 6 9 12 15 18 ......300 . . . 100 200 300 400 500 600 . . . 100(x)100 Can anyone help me?? I'll suggest how to solve this, but you'll need to do the calculating yourself. ...
  67. Math

    Four girls bought a boat for $60.00. the first girl paid-one half the sum of the amounts paid by the other 3. The second girl paid one-third the sum of the amounts paid by the other 3. The third girl paid one-fourth the sum of the amounts paid by the other 3. How much did the ...
  68. Algebra

    How do I express this in algebraic form? And could you please explain how you came up with the expression? "Come up with a number. Add 3 to it. Muliply by 1 more than the original number. Subtract 3. Divide by the original number. Subtract 4. You should get the original number...
  69. math percents

    can you check these: what percent of 64 is 48? i got 75% 25% of what number is 24? i got 96 48% of 83 is what number? i go 39.84 what percent of 530 is 107? i got : 201.88 62% of what is number is 84? i got 135.48 what percent of 42 is 7.5? i got 17.86 37% of 245 is what ...
  70. Math

    The table below shows the relationship between the number of dozens and the number of cookies Number of dozens Number of cookies 5 60 7 84 9 108 1 132 Which equation could be used to find n, the number of cookies in d, the number of dozens A.n=10d B.n=d/10 C.n=12d D.n=d/12 C
  71. Maths

    A sum of money was shared among Amos, Benny and Cathy. Amos received 1/4 of the sum. Benny received 2/5 of the remainder and Cathy received the rest. As a result, Cathy received $150 more than Benny. (a) What is the amount received by Amos? (b) Find the sum of money?
  72. algebra

    Please check A number p divided by 7 p/7 9 times a number a 9xa 6 times a number c, minus 5 6c-5 a nujmber m divided by m, plus 89 m/89 the product of 0.8 and a number y 0.8 x y 1/2 more than a number b 1/2+b I have to write an inequality need help An artist withdrew $14 from ...
  73. mathenatic

    The sum of sixth term of a.p is 72 and the second term is seven times fifth term find the first term,common difference and the sum of tenth term
  74. Math

    In number and it's our food value are equal if you subtract two from the number the new number and it's absolute value are not equal what do you know about the number what is a possible number that satisfies these conditions
  75. Accounting

    you have just won the National Publisher's Sweepstakes. You have two options, you can receive ten, $500,000 semiannual payments starting today, or you can take your winnings in a lump-sum payment now based on 7% annual interest rate. Determine the equivalent lump-sum payments?
  76. maths

    1.what is the least number of terms of the GP.2,4, 8.....that will give a sum greater than 1500000 2.Aball allowed to drop from heigth of 3m on to a horizontal ground rebounds to3/4 of its previous heigth.Find to the nearest metre,the total distance the ball will have traveled...
  77. Math plz fast i really need it

    Archie rolls two number cubes each with sides numbered 1 through 6 he then finds the sum of the numbers on the tops of the cubes which two sums have the same probabillity? A. 3 and 4 B. 5 and 9 C. 5 and 8 D. 10 and 12 i need the work involved and i have another question The ...
  78. MATH

    AN AP has 21 term the sum of 10 ,11,12 term is 129 and sum of last 3 term is 237.find AP
  79. Math

    If the sum of the five consecutive integers is 80, what is the value of sum of the least of these integers and the median of these integers? Can you explain it?
  80. 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?
  81. Maths

    The product of two positive integers plus their sum is 95. The integers are relatively prime, and each is less than 20. What is the sum of the two integers?
  82. Tech math

    The sum of two numbers is 32. Ten more than half of the sum of the numbers is 26. What are the numbers?
  83. Geometry

    In a regular polygon (equal sides and angles), you use (n-2)180 to find out what the interior angle sum is (n=number of sides in polygon) and you divide by that number by whatever n is to find out the measure of an individual angle, right? Well, there is going to be a problem ...
  84. math

    Ram and shyam jointly lend out rs17261 at 20% per annum compound interest such that rams amount for 2 year is same as is the shyams amount for 5 years.by how much does rams sum exceed shyams sum?
  85. science

    How do two isotopes of the same element compare with each other? A.They have the same number of protons but a different number of electrons. B.They have the same mass number but a different number of protons. C.They have the same mass number but a different number of neutrons...
  86. science

    How do two isotopes of the same element compare with each other? A.They have the same number of protons but a different number of electrons. B.They have the same mass number but a different number of protons. C.They have the same mass number but a different number of neutrons...
  87. math

    a pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5? Taking into consideration the numbers 1-6 on the second die wouldn't the probability be 1/6?
  88. Programming

    Write a function that takes one positive integer value (call it n) as a parameter and produces the sum of the integers between 1 and n. Hint: The sum of the integers from 1 to n is n*(n+1) all over 2 I know this is how the function should look but I am unsure of how to write ...
  89. Science-Periodic Table

    describ how to verify the number of electrons in the atom of an element. You look at the atomic number which is the number of protons. The number of protons equals the number of electrons. please correct me if I'm wrong, thanks
  90. MATH!

    An experiment consists of rolling a weighted die. The probability of rolling each number is: Pr[1]=0.05, Pr[2]=0.1, Pr[3]=0.25, Pr[4]=0.25, Pr[5]=0.2, and Pr[6]=0.15. On the first roll, you record if the number is Small (1,2) or Large (3,4,5,6). If the first number is Small, ...
  91. algebra

    julia is studying the sum of interior angles in polygons. she creates polygons with 3,5,6,7 and 9 sides, and records the sum of the interior angles in each polygon in the table. Write an equation or inequality that represents the situation.
  92. Geomtric Series

    The midpoints of the sides of a series of a square of side 1 are joined to form a new sqaure. This procedure is repeated for each new square. a) find the sum of the areas all the squares b) find the sum of the perimeters of all the aquares
  93. Business mathematics

    A sum of money when invested for a definite period at r% simple interest will yield an interest of rm80 .using the same interest rate, find the interest earned if the sum is tripled and the investment period is doubled
  94. Math

    Let A1,A2...A12 be twelve equally spaced points on a circle with radius 1. Find (A1 A2)^2 + (A1 A3)^2 + ... + A11 A12)^2. (The sum includes the square of the distance between any pair of points, so the sum includes 12 choose 2 = 66 terms.)
  95. math

    I would let #1 = x. Then #2 = x+1 #3 = x+2 #4 = x+3 The problem says we want the sum of the first three. That will be x + (x + 1) + (x + 2) and that should be 60 more than the fourth. The fourth is x + 3; therefore, set them equal and add 60 to the fourth. Solve for x. Post ...
  96. geometry

    show that the sum of the squares of the lengths of the medians of triangle equals three-fourths the sum of the squares of the lengths of the sides.(hint:place the triangle so that its vertices are at points(-a,0),(b0)and (0,c))
  97. maths

    The total number of people in a survey is T. The number of males in the survey is x and the number of doctors is y. The number of doctors that are male is z. Write algebraic expressions for the following using any of the variables x, y, z and T. a. The number who are neither ...
  98. math

    Craig is creating gift baskets for the food pantry to give away. He has 91 canned food items and 52 boxed food items, giving him a total of 143 items. The sum is shown below. He wants to make sure that every gift basket has an equal amount of canned food items and an equal ...
  99. math

    Craig is creating gift baskets for the food pantry to give away. He has 91 canned food items and 52 boxed food items, giving him a total of 143 items. The sum is shown below. He wants to make sure that every gift basket has an equal amount of canned food items and an equal ...
  100. Algebra

    Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number game using a variable ...
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