I am a 3-digit number. My first digit is thrice my last digit. The sum of my last two digit is one less than my last digit

145,873 results, page 50

  1. arithmetics

    mrs sue you answered my questions yesterday. How do you figure 8 percent of 75? on number 2 can you tell me how 1/3 of an hour is 20 minutes? number 3 how do you times 1 1/2 times $8.60 i get the 4th one thank you on the last one. Im not sure how to do the math. Another way to...
  2. Calculus Optimization Problem

    Find two positive numbers whose sum is 15 such that the product of the first and the square of the second is maximal. I came up with this so far: x + y = 15 xy^2 is the maximum derivative of xy^2= 2xyy' + y^2 Now how do I solve this ^ after I set it to zero? I am stuck on that...
  3. History

    Use the chart titled "Population Growth in New York City, 1800-1890", to answer the following question. Between 1800 and 1890, the population of New York City changed by about how many people? A. Decreased by more than three-quarters B. Increased more than two million**** C. ...
  4. computer science

    a) What is the largest positive number that can be represented in 12 bits using one’s complement? Represent the number in bits and decimal as well. Assume the first bit is the sign bit. (2 marks)
  5. Industrial Psychological Research

    what is the proportion of students with a raw score less than 10? if information was collected from fellow students the rating on a 5 point scale on 5 different questions. given a normally distributed population with a mean of 13, a standard deviation of 3, and 50 as the ...
  6. math, help

    For this one i have no idea what formula or even how to set it up... Tow 6-sided dice are rolled. What is the porbability that the sum of the two numbers on the dice will be greater than 9? Notation: n1 is the number that die 1 shows, n2 is the number that die 2 shows. Then we...
  7. Math

    John has two part time jobs. He works no more than 40 hours per week. He earns $6 per hour from the first job and $8 per hour from the second job. To cover his expenses, he needs to earn at lease $210 per week. Which of the following system of linear inequalities shows the ...
  8. algebra write word phrase

    i have to write a word phrase for each expression 1) d+2 2) 4/n 3) c-91 4) 6.5 - h 5) 13 (w) 6) 10 + q 7) w/10 8) 3.5 (v) i WROTE: 1) the product of d dimes and 5 nickels 2) four divided by n 3) the total charges less 9.1 4) 6.5 less than h 5) thirteen times your w weekly pay ...
  9. Maths

    If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the constant difference?
  10. Maths

    If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the constant different?
  11. newton

    the sum of the first 12 terms of an AP is 168.if the third term is 7,find the value of common difference and first term
  12. maths sequence

    Find the sum of the first eight terms of a linear sequence whose first term is 6 and last team is 46. Plz help
  13. Math, Stats

    the probability is 0.6 that a person shopping at a certian store will spend less than $20. For group of size 19, find the mean number who spend less then $20.
  14. Math, Stats

    the probability is 0.6 that a person shopping at a certian store will spend less than $20. For group of size 19, find the mean number who spend less then $20.
  15. Probability

    Show whether the two events "X is less than 4" and "X is a decimal fraction" are independent by checking the property P(A)*P(B)=P(A and B) I forgot how to do this one. Can anyone help me?
  16. probability

    two cards are drawn in succession without replacement from a standard deck of 52 cards. what is the probability that the first card is a spade given that the second card is a club. what is the probability that the first card is a face card(jack, queen, king) given that the ...
  17. maths

    (Write the following expressions using numbers,parentheses and other mathematical symbols. You do not need to colculate the results) A)Double the sum of twenty-five and eight. B)The quotient of fifteen and three subtracted from the product of four and nine. C)The difference ...
  18. maths

    In a netball competition, there are 9 teams. If each team plays each other twice, what is the total number of games played? The first round would be 9choose2 games, which is 9!/(7!2!) = 36 But you are playing two rounds, so the total number of games is 72
  19. math

    Find the sum of the first 60 terms of the arithmetic sequence whose first term is −15 and whose common difference is 7.
  20. math

    The first term of a geometric sequence is 3 and the sum of the second and the third is 60 determine the first three terms and the general term
  21. 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 ...
  22. arithmetic

    Given that an arithmetic sequence has a common difference of 5 and sum of the first 10 terms is 245, the first term is?
  23. addmath A.P.

    The first three terms of an A.P. are p-5,p-3 and 2p-15.If the sum of the first n terms of the progression is 180,find the value of n. Answer:n=10
  24. math

    IN a geometric sequence the 5th term is 60 and the first five terms are 783/2. What is the sum of the first 10 terms.
  25. kite

    the sixth term of an arithmetic progression is 21 and the sum of the first 17 terms is 0. write the first three terms.
  26. Math

    Consider a number. Greater than 2 which do you think is larger, the sum if you add a number to itself 10 times, or the product if you multiply the number by itself 10 times? Explain
  27. Math

    Write the decimal number for each given number. 1.five and three hundred ten thousandths 2.nineteen and two hundred ten thousandths 3.fifteen hundredths 5.one hundred one and one tenth 6.forty six and sixty three thousandths 7.five hundred and three thousandths 8.ten and ten ...
  28. algebra

    if 5 times the first number plus 3 times the second number equals 47 and 10 times the first number minus 4 times the second number equals 54, what are the numbers? please explain the steps
  29. maths

    5. There are two groups of subjects one of which contains 5 science subjects and 3 engineering subjects and the other consists of 3 science and 5 engineering subjects. An unbiased die is cast. If the number 3 or number 5 turns up, a subject is selected at random from the first...
  30. ALGEBRA

    Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting scheme? (Assume that each...
  31. algebra2

    another one i don't get. the number N im millions of hearing impaired individuals of age X can be approximated by n=0.00006x by power of two+0.0006x power of two-0.1x+1.7 approxmate to the nearest millions the number of hearing impaired individual for ages 45 and 55?
  32. math

    You roll a red number cube and a blue number cube. Let A be the event "at least one number cube shows a 6" a) Find P(A) by finding the sum of P(6 on red cube, no 6 on blue cube), P(no 6 on red cube, 6 on blue cube), and P(6 on both cubes) b) Describe the event "not A" then ...
  33. algebra

    You roll a red number cube and a blue number cube. Let A be the event "at least one number cube shows a 6" a) Find P(A) by finding the sum of P(6 on red cube, no 6 on blue cube), P(no 6 on red cube, 6 on blue cube), and P(6 on both cubes) b) Describe the event "not A" then ...
  34. math

    A pair of 6 sided fair dice are rolled. If one of the dice shows an odd number what is the probability of the sum of the dice being 7 ?
  35. Statistics

    Did you ever buy an incandescent light bulb that failed (either burned out or did not work) the first time you turned the switch on? When you put a new light bulb into a light fixture, you expect it to light and most of the time it does. Consider 8-packs of 60-watt bulbs and ...
  36. algebra word problem

    can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 -5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required equals twelve feet: 3n...
  37. Algebra -- Mrs Sue can you help

    can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 -5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required equals twelve feet: 3n...
  38. Prealgebra

    Two-ni that less than the product of 1 2/5 and b is 1 less than 2 1/2 of b
  39. math

    Now suppose Streak-Shooting Shelly has moved to mars. Shelly is still adjusting to Mars. Her overall performance is down, but she still shoots better when she has just made a shot. Suppose Shelly has a 60% probability of making the first shot. If she gets the first shot, she ...
  40. math

    Now suppose Streak-Shooting Shelly has moved to mars. Shelly is still adjusting to Mars. Her overall performance is down, but she still shoots better when she has just made a shot. Suppose Shelly has a 60% probability of making the first shot. If she gets the first shot, she ...
  41. math problem

    two coins and one six-sided number cube are tosses together. What probability of getting two heads and a four? 1/24 1/8 2/9 1/12 or 1/9
  42. conjectures

    Evaluate the following sums: 1 1+8 1+8+27 1+8+27+64 Add two more line to the list, and make a conjecture about the sums you obtained. this is a pattern. if you look closely than you'll see each number is a product of another number cubed. (1^3)+(2^3)+(3^3)... and so on. try ...
  43. Finite

    One coin is fair and one is weighted so that Pr[H]=211. You randomly select one of the two coins, and flip it 5 times, noting the result of each flip. What is the expected number of heads?
  44. algebra

    For three consecutive odd​ integers, the sum of 3 times the first integer and 2 times the second integer is 7 less than 4 times the third integer. What are the three​ integers? Separate your answers with commas.​ Ex: 1,2,3 Please show work thank you
  45. Science

    What Element am I? My properties are very similiar to sodium. I am lighter than the element that has an atomic number one less than mine.
  46. math

    I ONLY HAVE ONES AND TENTHS DIGITS. I AM LESS TAHN 9. ONE OF MY DIGITS IS 3 MORE THAN THE OTHER. WHAT NUMBER AM I?
  47. math

    The 3rd term of a convergent geomatric progession is the Airthmatic mean of the first and second terms.if the first term is 1 the sum to infinity will be
  48. English

    Can you please tell me if the following sentences are correct? Thank you. Complete the second sentence so that it means the same as the first. 1) He went to bed two hours ago. He has been sleeping for two hours. 2) They have been chatting for one hour. They started chatting ...
  49. math

    2x + 3y = 78 How do i solve for x and y? 2x=78 78/2=39 so x=39 3y=78 78/3=26 so y=26 Can't be, because 2(39)+ 3(26) does not equl 78 You need TWO equations when you have TWO variables, such as x and y. It can't be done with one equation. BUT, you say, what about this post ...
  50. word problem

    a boy gives his classmates an equal number of candy bars. he tell s his friends that if five fewer kids show up next time, they will get two more candies each. instead, four more kids show up so they get one less candy a piece instead. how many candies each did the kids get on...
  51. algebra

    Translate into an algebraic expression Use x and y for any variables. The sum of four time a number plus five times another number
  52. Math

    Our difference is 6. We have a sum of 14. What numbers are we? We know number 10. How did you find 4? Please describe and solve the riddle.Write the number sentence.
  53. algebra

    please write an explaination why (x^3)(x^4) is not x^12. I am confused thank you. it is not the answer because, first of all, try replacing x with another number, in this case, let's say two. (2^3)(2^4)= 128, and if you try 2^12, you do not get 128, instead your answer would ...
  54. math

    The sum of two positive numbers is 90. Find a function that models their product P in terms of x, one of the numbers.
  55. MATH

    Evaluate by writing it as a sum of two integrals and interpreting one of those integrals in terms of an area.
  56. Math

    provide one of the two positive integers whose sum is 200 and whose product is a maximum.
  57. geometry

    one side of an equilateral triangle is 7 dm shorter than one side of square.the sum of the perimeter of the two figure is 49 dm . find the perimeter of each figure.
  58. Math, Ms. Sue Help asap plss

    Can the numbers 24, 32, and 40 be the lengths of three sides of a triangle? Why or why not My answer: Yes it can. Because the 3 lengths satisfy the triangle inequality theorem. The triangle inequality theorem states that the third side of a triangle must be greater than the ...
  59. math

    When it is assembled, a flute is 28 inches long. The middle piece m is 5 inches less than twice as long as the first piece f. The last piece l is two-thirds as long as the first piece. Find the length of each piece of the flute
  60. Math

    The numbers 1-10 are placed on cards, and the cards are put in a hat. If two cards are drawn, in order, without replacement, what is the probability that a. both are composite? b. one number is even and the other is odd? c. one number is even and the other a prime?
  61. math help me out please

    There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. How to solve in easy way please help me
  62. statistics

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. (0.1 point) Percentage of scores ...
  63. Math

    Write the algebraic expressions for the following. Please check and correct me if I'm wrong!! 1. 3 less than 5 times a number. Answer: 5x-3 2. 18 fewer than half a number. Answer: 1/2x-18 3. 3 more than the quotient of a number and 2. Answer: x/2+3 4. 4 times the difference of...
  64. Algebra

    Here is my problem. Please walk me through how you got to the answer. Three-fourths of a number equals 3 times the number increased by 9. Is this the correct equation? 3/4n = 3n + 9 Here's another. In this one, does "is" mean "equals"? One-fourth of a number is one-half more ...
  65. programing

    1. Elements – sequence-series outputting Write a program that prints the following elements: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, (hereto referred to as elements) etc., up till a user-entered value. The program should not print more than 10 numbers per line. The last line ...
  66. MATH

    1. Write a formula to express the relationship for: The number of cents, c, to be received from a one-dollar bill is equal to 100 decreased by the price of the article purchased, p, when p is less than $1.00
  67. math

    the frist grid is not a magic square. Change some of the numbers so the sum of each row, column and diagonal is the same number. Change no more than two numbers.
  68. 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 the one die is showing a 5?
  69. 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?
  70. 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 7 given that one die is showing a 4?
  71. 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?
  72. 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?
  73. math

    the ninth term of an arithmetic progression is 52ind the and the sum of the first twelve terms is 414.find the first term and the common difference.
  74. maths

    the sum of the first 53 terms of an arithmetic series is 4 240 while the seventh term is equal to 20. Find the first term on common difference
  75. math[fractions]

    how would u multiply two fractions ex. 2 2/3 times 3 5/6 First, make each one an improper fraction. To do this, multiply the denominator by the whole number in front of it and then add the numerator. Put all of that on top of the denominator: 3*2=6 6+2=8 2 2/3 = 8/6 = 4/3 6*3=...
  76. addmath A.P.

    An arithmetic progression has 8terms.The sum of all 8terms is 180 and the sum of all odd terms is 80. Calculate (a)the first term and common difference (b)the last term
  77. Statistics

    Hello. I would like to ask a college statistics question. Q. One hundred draws are made at random with replacement from the box [1,2,2,5]. The draws come out as follows:17 [1]'s, 54 [2]'s, 29 [5]'s. Fill in the blanks, using the options below; show work. (a) For the _______, ...
  78. Math

    On each of four cards, a different positive integer greater than 1 but less than 20 is written. Exactly 3 of the numbers are multiples of 3, exactly two of the numbers are multiples of 5, and none of the numbers is even. What is the sum of these four numbers?
  79. Economics

    As the aggregate price level falls, the number of domestic products purchased by foreigners will [rise], causing the quantity of domestic output demanded to [rise]. This is known as the [foreign purchases effect]. The first two blanks can be rise,fall or stay the same. and the...
  80. math 5th

    number puzzles You say this number when you start at 0 and count by 15. You say this number when you start at 0 and count by 25. This number is less than 200. This number is even.
  81. math

    You are in business and you are given two opportunities. The first you will have to invest $5,000 but you could earn $25,000 less your initial investment. The second you only have to invest $2000 but then you will earn $10,000 less your investment. The probability of getting ...
  82. mathw

    a pair of dice is rolled. find the probability that the sum of the dice is an odd number. also, find the probability that the sum is a 5 or 10 given that an odd sum is rolled
  83. Chemistry

    Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g) delta H1? MgO(s) + 2HCl(aq) ->MgCl2(aq) + H2O(l) delta H2? To make these equations add up to the formation reaction of MgO, you will need to include the following: H2(g) + 1/2O2(l) delta H =-241.8 kJ Using Hess's Law and manipulating...
  84. math

    Two fair dice, one blue and one red, are tossed, and the up face on each die is recorded. Define the following events: E : { The sum of the numbers is even } F : { The numbers are equal } Find the following probabilities: (a) P(E) = (b) P(F) = (c) P(E|F) = Are events E and F ...
  85. 10th math

    The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of AP
  86. Algebra

    Write the other number or expression in terms of the given variable. A 3 foot board is cut into two pieces. If one piece measures x write the expression for the length of the other piece. Ok now I know the first term is 2x correct? where do I go from here?
  87. maths

    the difference between two numbers is 16. if the smaller number is one-third of the larger number than what find the numbers
  88. college english

    I need to know if this paragraph has any grammatical errors in it. Often, however, the dictionaries are wrong about this; in fact, by putting one word first, they are supporting a self-fulfilling prophecy. Consider the entry, "ax or axe", which appears with the two words, in ...
  89. Algebra II-Please check calcs

    Could someone check this matrix calculation The first matrix dimension is 1 by 3 row 1 = 1 row 2 = 7 row 3 =3 Second matrix is 1 by 3 Row 1 column one =2 row 1 column two = -5 row one column three = 5 my calculation is that it would be the dimensions of 3 by 3 Final calcs ...
  90. math

    The distance between two numbers on a number line is 6 units. One number is 5. What are the possibilities for the other numbers. A. -1 and 11 B. 0 and 5 C. 0 and 10 D. 5 and 11 Is the answer d
  91. Math

    Chris rolls two number cubes, one after another. What is the experimental probability that both number cubes will show a 1?
  92. Math

    Jack thinks of two numbers. The HCF of these numbers is 6 and one of the number is 24 suggest what his other number may have been?
  93. 6th grade math

    Can't figure this math problem out: Write an algebraic expression for the product of five less than a number and three, less eight, is twenty-eight. HELP ME PLEASE!!
  94. Math

    Hey can anybody please help me with this? Im stuck? I got the first part right, but I don't really know. Ok here's the problem: Annie kept track of the cars she saw on the highway? She saw twice as many Toyotas as Skyalks. The number of Pintos was eight less than the number of...
  95. science

    A pair of fair dice is tossed once. If the sum of the two numbers is greater than 9, the probability that one of the numbers is a 6 =
  96. maths

    1. If the first and third of three consecutive odd integers are added, the result is 51 less than five times the second integer. Find the third integer. 2. Write as a subtraction problem and evaluate. 15 less than -2 n, n+1, N+2, ... are consecutive intergers. N, N+2, N+4...
  97. algebra

    Two ships make the same voyage of 3000 nautical miles. The faster ship travels 10 knots faster than the slower one (a knot is 1 nautical mile per hour). The faster ship makes the voyage in 50 hr less time than the slower one. Find the speeds of the two ships.
  98. Calculus

    If f(x)=[x−1/(1+5 x)], there are two points on the graph of y=f(x) at which the tangent lines are parallel to the line x−2y=2. Type in the x values of these points. Type the smaller number first, then the larger number.
  99. Calculus

    If f(x)=[(x−1)/(1+5x)], there are two points on the graph of y=f(x) at which the tangent lines are parallel to the line x−2y=2. Type in the x values of these points. Type the smaller number first, then the larger number.
  100. math

    shoshanna is going to use 12 base ten blocks to model the largest possible number less than 999.Then she will use another 12 blocks to model the smallest possible number less than 999.what are the 2 numbers?
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