prime

1,440 results, page 11
  1. math

    Shannon says my apartment number is a prime number. Which could be Shannons apartment number? 15 31 or 44 explain answer
  2. Math

    Please show your solution and how you did it. Thank you so much. 1.If x and y are positive numbers such that x^y=y^x and y =2012x, what is x? 2. What powers of two prime numbers will give a product of 1000...000(this sign --> { below the 1000...000 and
  3. maths

    a bag contains three labelled A,R,C and a box contains 4 cards 1,2,3,5. if cards are picked from the bag and from the box, find the probability of picking on A and a prime number
  4. math

    let A be defined as the set of all two digit integers that are more than 20 and let P be defined as the set of all prime numbers .how many numbers are there that belong to both these sets? 1.13 2.17 3.21 4.25 explain the ans please
  5. Maths

    Let S be a set of 31 equally spaced points on a circle centered at O, and consider a uniformly random pair of distinct points A and B (A,B∈S). The probability that the perpendicular bisectors of OA and OB intersect strictly inside the circle can be
  6. heeeeeeeeeeeeelp math

    P is a point outside of circle Γ. The tangent from P to Γ touches at A. A line from P intersects Γ at B and C such that ∠ACP=120∘. If AC=16 and AP=19, then the radius of Γ can be expressed as a√b/c where b is an
  7. Math

    Which city's subway has a length that is a prime number of miles? New York, U.S. = 247 Mexico City, Mexico = 111 Paris, France = 125 Moscow, Russia = 152 Seoul, South Korea = 83 Tokyo, Japan = 105
  8. math

    Let S be a set of 31 equally spaced points on a circle centered at O, and consider a uniformly random pair of distinct points A and B (A,B∈S). The probability that the perpendicular bisectors of OA and OB intersect strictly inside the circle can be
  9. Maths

    Let S be a set of 31 equally spaced points on a circle centered at O, and consider a uniformly random pair of distinct points A and B (A,B∈S). The probability that the perpendicular bisectors of OA and OB intersect strictly inside the circle can be
  10. math

    Prove that if p is a prime number and p is not equal to 3, then 3 divides p^2 + 2. (Hint: When p is divided by 3, the remainder is either 0,1, or 2. That is, for some integer k, p = 3k or p = 3k + 1 or p = 3k + 2.) I thought you might do three cases with
  11. english

    write a notice for the school notice board informing the students about the visit of the prime minister to your school on 20th july 20XX and asking the students to maintain punctuality , cleanliness and discipline
  12. gr.10 History

    What were Robert Laird Borden's successes, failures and overall view of Canada? I know that he was the most successful Prime Minister,and I also know that he adopted conscription, and he was indispensable to the war effort. I don't know what his failures
  13. 5th grade math help

    my mommy and daddy cant explain explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5 i know its a prime number but i cant explain the answer to the question above.
  14. Calc- Derivatives

    So, I have a bunch of derivative problems for homework and the only resource I have is the textbook, since we don't have notes. I have just started and want to make sure I'm doing them correctly. Our teacher said we do not have to simplify them either, so
  15. Maths

    I am a three-digit number. I am divisible by 6. My middle digit is a prime number. The sum of my digit is 9. I am between 400 and 500. My digits are descending order. What number am I?
  16. History

    What is "constitutional power?" I have to write a response to this statement (either agreeing/disagreeing): "The Prime Minister of Canada has more constitutional power than the President of the United States." So I don't quite understand what
  17. English

    The British Prime Minister, who is visiting the U.S. this week is extremely charismatic and intelligent. a) U.S. b) week is <---- ? c) charismatic and intelligent d) No error
  18. Math

    I have a bag of tiles 0-9. Without looking select a tile, record, return tile, select a second tile. What is the probability that exactly one tile will be a prime number?
  19. calculus

    If (x) =3x squared - x cubed, find f prime(1) and use it to find an equation of the tangent line to the curve y=3(x) squared - x cubed at a point (1,2)
  20. math

    The LCM of two numbers is 51. Both numbers are greater than 1 and both numbers are prime. What are the two numbers?
  21. probability

    A number is selected from 1 to 27.fing the probability that is a prime number?
  22. ALGEBRA 2...

    1. Simplify 2.3^5 log base 2.3^1 2. How do you solve this matrix using a graphing calculator AX=B A=9 -3 1 B=-7 X= x 1 1 1 -3 y 16 4 1 21 z 3. How many 4-digits numbers have the thousands digit equal to 2 and the units digit equal to 7? 4. If p and q are
  23. English

    Hi I'm currently studying the Prime of Miss Jean Brodie (novel by Muriel Sparks) in a drama class. We're studying dramatic irony at the moment. In what ways is the reader more aware of what is happening than the characters are in the novel (i.e dramatic
  24. algebra

    Megan factored the expression3x^2-23x+14 as (x-2)(3x-7) . But when Jacob applied the FOIL principle and multiplied out (x-2)(3x-7) , he got 3x^2-13x+14 ; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this
  25. math

    i am a number between 60 and 100. my ones digit is two less than my tens digit. i am a prime number. what number am i? explain.
  26. Math

    2.Which of the following is equal to )? A.6x2x(0x4) B.0/9+(6-0) C.20/20-0x3 D.5+6+(4+0) A 3.Julia went to Game Mart and purchased 5 used video games that were all the same price, and 6 memory cards that were $6 each. Her total purchase was $51. What was
  27. algrbra

    1. David recently had a garage sale and has amassed a pile of change. How many of each coin (penny, nickel, dime, quarters) does he have if: a.There is at least 5 pennies, 5 nickels, 5 dimes and 5 quarters b.There is only a prime number of each coin c.The
  28. Math(Please help, thank you)

    For an experiement to test elastic collision, ball 2 was at rest and ball 1 was released from a certain height and distance and hit ball 2. A set of measurements were collected which was v1 and v2 prime for each ball. I need to calculate the kinetic energy
  29. math

    Let R be a relation on A={2,3,4,6,9} defined by "x is relatively prime to y", that is the only positive divisor or x and y is 1. a)write R as an ordered pair b)Draw a diagraph representing R c)Find the in-degree and the out-degree of each vertex d)List all
  30. statistics

    It you roll two dice find the number of outcomes for each of the following events: A)rolling two prime numbers B) rolling at least one odd number A) i got 9 outcomes B) i got 27 outcomes i used a table to figure this out are my solutions correct?
  31. Bloemhof Gekombineerde Skool

    Twenty cards are numbered from 1 to 20. The cards are shuffled and then placed face down on the table. A card is drawn random. What is the probability that the number on this card is: a) 14 b) an even number c)less than 11 d)divisible by 5 e)a prime number
  32. bubba

    Find the GCF of the numbers using an appropriate method. 240, 10,000, and 4500 Find the prime factorization of the number, and write it in exponent form. 670 Find the LCM for the given numbers by an appropriate method. 24, 54, and 27
  33. math

    For every prime p consider all polynomials f(x) with integer coefficients from 1 to p and degree at most p−1, such that for all integers x the number f(2x)−f(x) is divisible by p. Find the sum of all primes p<1000 such that the number of
  34. math

    Find the GCF of the numbers using an appropriate method. 240, 10,000, and 4500 Find the prime factorization of the number, and write it in exponent form. 670 Find the LCM for the given numbers by an appropriate method. 24, 54, and 27
  35. 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 one number is even and the other a prime? I know there are 4 primes-2,3,5,7 and 5 even numbers
  36. MATH OMG HELP

    The base and height of an original rectangle are each increased by 15%. The area of the new rectangle is k/w times the area of the original rectangle. If k and w are relatively prime positive integers, find the value of k + w.
  37. Math 1

    The number 2 is chosen to begin a ladder diagram to find the prime factorization of 66. What other numbers could have been used to start the ladder diagram for 66? How does starting with a different number change the diagram?
  38. Prob and stats

    A card is to be chosen at random from a shuffled deck. Find the probability the card drawn is A. The queen of clubs , given that it is an honor card B. a red four, given that the face number is even C. A seven, given that the face number is prime Please
  39. math

    For every prime p consider all polynomials f(x) with integer coefficients from 1 to p and degree at most p−1, such that for all integers x the number f(2x)−f(x) is divisible by p. Find the sum of all primes p<1000 such that the number of
  40. Intermediate Algebra

    Andrews factored expressions -6x63+9x^2-3x as -3x(2x^2-3x-1). But when Melissa applied the distrubutive law and multiplied out -3x(2x62-3x-1) she got -6x^3+9x^2+3x;thus Andrews solution does not appear to check. Why is that? Please help Andrews to
  41. Math

    Hayley has 16 square boxes to make an array of rectangular shapes on a grid. Harry says if she uses 19 square boxes she will get more arrays. Do you aree or disagree with Harrys' claim? Explain your answer using prime and composite numbers. Use the
  42. Math

    A three digit number has the same hundreds, tens and units digit. The sum of the prime factors of the number is 47. What is the 3 digit number?
  43. Algebra

    A three-digit number has the same hundreds, tens and units digit. The sum of the prime factors of the number is 47. What is the three-digit number?
  44. Weight Record

    Who is the heaviest person in history and what was his/her peak weight? I have heard that the record is held by a woman named Carol Yager, who weighed 1,800 lbs in her prime. What would a person need to do if they wanted to break this record?
  45. Algebra -polynomial

    Solve the polynomial 40x^2+2x-65 Notice that for x = 1 the value is -23. The number 23 is a prime number and the only factors are thus 23 and 1 up to signs. So, you can simply the search for the factors of the polynomial a great deal by substituting: x = 1
  46. Discrete Math

    Let n be positive integer greater than 1. We call n prime if the only positive integers that (exactly) divide n are 1 and n itself. For example, the first seven primes are 2, 3, 5, 7, 11, 13 and 17. (We should learn more about primes in Chapter 4.) Use the
  47. 5th grade

    San Juan, Puerto Rico is located at about 18 degrees North, 66 degrees West. How far away, in degrees, is San Juan from the prime meridian? How do you know?
  48. math

    jennifer has made a rectangle using 48 square titles. if she adds the length and width of her rectangle together she gets a prime number . what is the length and width of jennifers rectangle??
  49. AlgebraII( Probability)

    1)a number less than 35 is chosen. 2)A prime number is chosen. 3) A multiple of 4 is chosen. 4)A perfect cube is chosen. Please help me.
  50. Statictics

    What is the probability of tossing a number divisible by two, and the probability of tossing a prime number of a "Fair Die"?
  51. Math

    I don't have any specific problems I need help with, but I'm a bit confused about two things: 1) Where 2^x - 1 = y, is x or y the Mersenne prime? 2) I have noticed that in some cases, such as 27 * 3, I can break the problem up and arrive at the correct
  52. geography

    Thank You and I did some more questions. Can you check them? 1. Is the Antarctic Circle north or south of the equator? South of the equator 2. All lines of longitude are measured east and west of what imaginary line? The Prime Meridian. Ms. Sue the 9th
  53. math, English, geography, chemistry, physics, economics,

    the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square numbe
  54. Social Studies

    In which hemisphere is North America located? NOrthern Hemisphere Which hemispheres contain parts of both the Atlantic and Pacific oceans North west south and east Which hemisphere contains all of Antarctica southern? What is the name of the line that
  55. Math

    The number is not less than 20. The number is not greater than 40. The number is not divisble by 2, 3, or 7.THe number is not a prime number. THe sum of the number's digits is not 8. What's the number?
  56. math

    Mike has made a rectangle using 48 square tiles. If he adds the length and width of his rectangle together he gets a prime number. What is the length and width of the rectangle?
  57. Math 6th grade

    A group of 45 tokens is arranged into three piles such that each pile contains a different prime number of tokens. What is the greatest number of tokens possible in any of the three piles? Thanks
  58. Algebra

    Megan factored the expression 72x^2-43x+6 as (9x-3)(8x-2). But when Jacob applied the FOIL principle and multiplied out (9x-3)(8x-2), he got72x^2-42x+6; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this
  59. algebra

    Megan factored the expression 72x^2-43x+6 as (9x-3)(8x-2). But when Jacob applied the FOIL principle and multiplied out (9x-3)(8x-2), he got72x^2-42x+6; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this
  60. Math

    7.Simplfy (7+3)x2-5 15 8.When Henry went to the pet store, he noticed that there were 12 large fish tanks with goldfish. The store clerk told him that there were 107 goldfish in each tank how many were there in all 1,284 10.Which shows prime factorization
  61. Math

    I need help with these problems for a test. 1. Find the inverse of the one-to-one function. f(x)=5x+1/4. 2. The height of the water, H, in feet, at a boat dock t hours after 7 am is given by E=7+4.4cos pi/35 t, where t is time measured in seconds. Find the
  62. Science--3 questions? :c

    15. The___hypothesis suggests that our solar system evolved from a huge rotating cloud of dust and gas. 16. Lines of____are used to measure distances east or west of the prime meridian in degrees. 17. The major difference between a topographic map and
  63. 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?
  64. math, English, geography, chemistry, physics, economics, l

    the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square number
  65. World Geography

    REVIWE 1.Using up resources is one of the negative effects of A. the birth rate. B. the death rate.<<<<<<<<< C. the infant mortality rate. D. rapid population growth. 2. The Prime Meridian and other imaginary north-south lines
  66. Maths!

    There has just been a planetary alignment of five planets in the system Blogg, all the astrologers have gone loopy, and they want to know when the next occurance of these five planets will happen again. Krypton the nearest planet to the sun takes 6 days to
  67. math

    Cruz and his friend, Penny need to determine what numbers are prime and what numbers are composite for homework assignment. Cruz says that the number 5 is a composite number because it has the factors 2 and 2.5. Explain what is wrong with his reasoning
  68. Sigma over Phi

    Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)/ϕ(p)?
  69. math

    mrs.wheelbarrow weasel is less than 100 years old.her year of birth is divisible by 23 and 17, as well as by one other prime number less than 30.when was mrs.wheelbarrow weasel born?if she was still alive,how old would she be this year?(2007)
  70. Math

    Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000 (inclusive). How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?
  71. History

    What is the importance or effect of these 1. France is a latecomer in the scramble for New World real estate. 2. French Catholic missionaries, notably the Jesuits, labored zealously to save the Indians for Christ and from the fur-trappers. 3. William Pitt,
  72. maths

    Equilateral triangle ABC has a circumcircle Γ with center O and circumradius 10. Another circle Γ1 is drawn inside Γ such that it is tangential to radii OC and OB and circle Γ. The radius of Γ1 can be expressed in the form
  73. math

    Equilateral triangle ABC has a circumcircle Γ with center O and circumradius 10. Another circle Γ1 is drawn inside Γ such that it is tangential to radii OC and OB and circle Γ. The radius of Γ1 can be expressed in the form
  74. math ( Terminology )

    The " lumper " of a number is equal to the sum of all the prime numbers less than that number. If the lumper of x is equal to the lumper of x + 3, which of the following is a possible value of x ? a. 7 b. 8 c. 9 d. 10 e. 11 please answer and explain
  75. math

    Laurel appears at Comedy Cafe at a random time between 1:00 and 2:00. Hardy turns up at a random time between 2:00 and 2:30. The probability that Laurel waits for no more than 40 minutes for Hardy can be expressed in the form m/n, where m and n are
  76. Math

    I have to find the prime factorization of each number and write down the answers with exponents when repeated factors appear. eighteen, four hundred eighty, six hundred forty Next, I need to write this fraction in lowest terms. one-hundred sixty-five over
  77. statistics

    A card is to be chosen at random from a shuffled deck. Find the probability that the card drawn is a)the queen of clubs, given that it is an honor card. (I think it is a typo) b) a red four, given that the face number is even. c) a seven, given that the
  78. Math

    I have a question that I answered and I'm not sure that it is right. Here is my question: Use a calculator to help you write the prime factorization of 51,051. Here is my answer: If the sum of the digits of the number is divisible by 3, then 3 is a factor
  79. heeeeeeelp geometry

    In a triangle ABC, BK is an angle bisector. A circle with radius 5/3 passes through the vertex B, intersects AB at a point L, and is tangent to AC at K. It is known that the length of AC is 3√3, and the ratio of the lengths |AK| to |BL| is 6:5. The
  80. maths

    Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)ϕ(p)?
  81. mathematics

    Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)ϕ(p)?
  82. Maths

    Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?
  83. algebra

    Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?
  84. Logarithm Please Help

    x and y are positive real numbers that satisfy log(base)x y + log(base)y x = 17/4 and xy=288√3. If x+y=a+b√c, where a, b and c are positive integers and c is not divisible by the square of any prime, what is the value of a+b+c?
  85. calculus. please helppp!!

    1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 Estimate (f prime) f^' (2) and f^' (8) Please show work so I can understand. I'm really stuck. if the table comes out messed up, the values are: (0, 137) (2, 112)
  86. English

    Here are the last paragraphs on history Thank you very much for helping me!! 1) The first political parties were the Whigs and the Tories. The Whigs descended from the Parliamentarians. 2) They were in power continuously from 1714 to 1760 and pressed for
  87. math115

    which numbers are prime numbers 37,39,41,43 answer 37,41,43 John spent 1/3 of his study time doing math homework and 3/5 preparing for a history exam what fraction of his study time remains? answer 1/15 Solve for the unknown 2/7/20=1.6/ranswer 112
  88. Just can't get it.

    Factor completely or state that this is prime (cannot be factored) 2y^4 + 28y^3 + 98y^2 Note: x^2 is x-squared (that is, x with the superscript 2), etc. 2y^4 + 28y^3 + 98y^2 = 2 y^2 (y^2 + 14 y + 49) The last expression (in parentheses) is a perfect
  89. Math

    I need help with these problems for a test. 1. Find the inverse of the one-to-one function. f(x)=5x+1/4. 2. The height of the water, H, in feet, at a boat dock t hours after 7 am is given by E=7+4.4cos pi/35 t, where t is time measured in seconds. Find the
  90. Math (LCM)

    A music store gives every 20th customer a $5 gift card. every 50th customer gets a $10 gift card. Which customer will be the first to receive both types of gift cards? Use prime factorizations.
  91. Calculus

    Consider the equation: x^2 - 2xy + 4y^2 = 64 Write an expression of the slope of the curve at any point. (y^p)= y prime My work 2x - 2(xy^p + y) + 8yy^p = 0 2x -2xy^p - 2y + 8yy^p = 0 -2xy^p + 8yy^p = 2y -2x factored out y^p and then divided to get (2y -
  92. Math

    Britney spears her grilled shrimp so the product of the numbers of shrimp is 1001. If the number of shrimp on each spear is a prime, how many shrimp does Britney spear altogether?
  93. Marketing Management

    What ae subway limited target group? Are you asking what the Subway sandwich company targets as its prime customers? Please clarify your question and we'll try to help you. Actually i am totally lost at what i am really looking for. This was suppose to be
  94. Algebra

    Megan factored the expression -12x^2 +52x-35as (-2x+5)(6x-7). But when Jacob applied the FOIL principle and multiplied out (-2x+5)(6x-7), he got -12x^2+44x-35; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to
  95. Algebra 2 ..

    Please explain on how to do each of these! *Let (x) be defined for all positive integer values of xas the product of all even factors of 4x. For example, (3)=12x6x4x2=576. What is the value of (5)? Someone says that it is f(5)= 20x10x2x4=1600 I DO NOT GET
  96. Math

    Im thinking of a two-digit number. It is a prime number which is 3 less than a perfect square. Also, when it's digits are reversed, it becomes a perfect square. What is the one possible number?
  97. Math

    A group of 45 tokens is arranged into three piles such that each pile contains a different prime number of tokens. What is the greatest number of tokens possible in any of the three piles?
  98. binomial probability

    Six 6-sided dice are rolled. What is the probability that three of the dice show prime numbers and the rest show composite numbers? The answer is NOT 5/72
  99. social studies (check plz)

    Which statement best describes the government of Canada? The monarch of Britain has total control over Canada. The Canadian parliament is ruled by the United States. Canada has complete power over its own government(MY ANSWER) The prime minister is the
  100. Math

    A one-minute advertisement on a local television station during prime time (8-10 p.m. on weeknights) costs the advertiser $12800. To the nearest cent, how much does the advertisement cost per second? I converted the minute to 60sec. Then divided the cost

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