1. Precalculus

    1. permutation or combination: how many schedules are possible if you need to choose 5 events out of 20 for a vacation? Is it permutation?? Answer is 1860480? 2. a. How many area codes are possible ( the 3 digit number can't start with a 0)? 504? b. How

    asked by Anonymous on June 4, 2014
  2. math

    1.one more than 3 tens 2.one less than four times five 3.five added to six 4.successor of 28 5.two more than two times tens 6.the greatest 1 digit composite number 7.three added to three times three

    asked by math on May 14, 2017
  3. Lea408

    can someone please tell me if I am right Like optical scanners, capacitance fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current.

    asked by Scott on June 8, 2014
  4. English

    Is this sentence punctuated correctly? At elementary school, my teacher delighted in handing me worksheets crowded with row upon row of three to five digit long division problems.

    asked by Luke on April 26, 2015
  5. Math

    I am a 3 digit number whose tens place is 5 more than the ones and hundreds place is 8 less than the tens place. Who am i

    asked by Pooja on August 9, 2016
  6. Math

    How many three-digit counting numbers are exactly divisible by 6 but not also exactly divisible by 9?

    asked by Bobby on February 13, 2017
  7. 3rd grade

    Round to the place of the underlined digit. example 16 the 1 is underlined.

    asked by angelina on October 6, 2009
  8. math

    Two digits over two digits equals three digit decimal (_.__) Can only use 0-9 once

    asked by dean on October 3, 2016
  9. 6th grade math

    If a card contains the number 47229 and mrs.s picks a 7, the card is worth 7000 points. If she picks a 2 its worth 220 point. Ashley has these cards 49298 83483 43281 If mrs.s pick a 3 how many points will she have? What digit will make he have the highest

    asked by peyton on March 25, 2009
  10. Math

    A number has 6 in the hundredths place. The number also contains a digit whose value is 1/10 the value of 6 in the hundredths place.

    asked by Kyle on September 5, 2016
  11. Math

    I am thinking of a three-digit number. If you subtract 5 from it, the result is divisible by 5. If you subtract 6 from it, the result is divisible by 6 and if you subtract 7 from it, the result is divisible by 7. What is the smallest number that will

    asked by Anthony on September 26, 2010
  12. math

    in these addends, each letter represents a single digit. find the numbers. write the completed problem below. CENT CENT + SCENT ----------- 35128 I NEED THIS TONIGHT OCT. 26--ASAP!!!!!!

    asked by My dancer chick on October 26, 2008
  13. Math

    What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place.)

    asked by Ronald on June 12, 2013
  14. Algebra

    What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place.)

    asked by Mary Ann on May 26, 2014
  15. Math

    Write 8 fractions equal to one-half (not including one-half) using only the digits 0, 1, 2 and 5. Each digit may be used more than once, but you may not use decimal points or arithmatic operatons. Numerators cannot be larger than 100. You may not use

    asked by William Bent on November 9, 2009
  16. algebra

    Beginning with cars made in 1981, all vehicles must contain a 17-digit Vehicle Identification Number (VIN). The first 3 positions must be letters or numbers, position 4 and 5 must be letters, positions 6 and 7 must be numbers, position 8 can be a letter or

    asked by anon on May 2, 2013
  17. Math

    1. Daniel wants to save at least 20 dollars by putting pennies in a jar daily. On first day, he puts one penny into the jar. The second day he puts 2 pennies into the same jar. On the nth day he pus n pennies into the same jar. Which day is the first day

    asked by Bethany on February 22, 2015
  18. Math

    The first digit of two different numbers is in the hundreds millions place. Both numbers contain the same digits. Can you determine the greater of the two numbers and Explain.

    asked by Deborah on August 28, 2014
  19. math

    how many 7 digit numbers can be formed with the numbers 1, 2, 4, 7. (they are in brackets). the question wants two parts. (a) if the numbers can be repeared and (b) if repetation is not allowed

    asked by ken on October 18, 2008
  20. Math

    ~~~~WARNING HARD MATH~~~~ An integer from 100 to 999, inclusive, is to be chosen at random. What is the probability that the number chosen will have 0 as at least 1 digit? Multiple Choice: Underline or circle the letter that best solves the question. a)

    asked by KawaiiChan on January 24, 2017
  21. Math

    A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3? would this be 1/7 or 1/6? i'm unsure.

    asked by bubbie on May 22, 2013
  22. Math grd12

    How many ten-digit telephone numbers are possible if the first three digits must be different? The answer is 72,000,000,000.... I need the method to get that:)

    asked by Celina on November 21, 2010
  23. chemistry

    this is over significant digits. -Indicate how many significant figures are in each of the following measurements: e) 4.0 X 10-5 kg i got 1 significant digit, but i'm not sure it if it's right... (& i can't ask my teacher, the situation is complicated)

    asked by Ana on September 21, 2010
  24. MATH *IMPORTANT

    HOW MANY SETS (A,B,C) OF THREE DIFFERENT,POSITIVE SINGLE DIGIT INTEGERS HAVE THE PROPERTY THAT A SQUARED + B SQUARED + C SQUARED IS A PERFECT SQUARE? please help me with this one a soon as possible its very important and i don't even know where to start!!

    asked by shauna on September 10, 2012
  25. math

    please i need help with this...were studying probability...possible outcomes...im having trouble coming up with the right answer... The product code used by Pitz Toyz consists of a letter, followed by a digit from 1 to 9, followed by another letter, such

    asked by logan on October 17, 2006
  26. Math

    please if anyone could help me with this question: 1. A class paid $20 for a cake and $4 per child for one slice of cheese pizza. they paid $140. how many children are in the class? 2. Rajie want to divide 24 peanuts, 64 raisins, and 56 apricots evenly

    asked by Erika on February 23, 2017
  27. maths

    invaders put a six digit number into the display. you must change each of the six digits to zero in as few turns as possible. on each turn you can use only one number key, the zero key as often as you like and the + key. Example: start number: key presses:

    asked by anonymous.gfgf on August 8, 2014
  28. MATH PROBLEM

    -One revolution of the Sun by the Earth requires 365 days, 5 hours, 48 minutes and 49.7 seconds. the 5 hours, 48 minutes and 49.7 second is approximated to 1/4 of a day. Every 4th year, one full day is added( leap year). How much of an error in minutes and

    asked by Kim on January 16, 2013
  29. Math

    oel scores in 80% of his games. His team is starting the playoffs, and if they make it to the state championship, they will have played 5 games. Joel wants to determine the probability that he scores in 4 of the 5 games. Which simulation design has an

    asked by Allison Carson on February 9, 2016
  30. math: probability

    A locker combination has three nonzero digits, and digits cannot be repeated. If the first two digits are even, what is the probability that the third digit is even?

    asked by Brooke on March 27, 2008
  31. math

    A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3? is it 1/7 or 1/6?

    asked by Maya on January 16, 2017
  32. Math

    I am thinking of two two-digit numbers.they differ by 54.Both numbers are made up of the same digits, are reversed.What are the two numbers?

    asked by Tommy on December 7, 2015
  33. Math

    A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3?

    asked by Jess on May 3, 2011
  34. math

    A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3?

    asked by Anonymous on February 7, 2013
  35. maths

    i am a seven digit my ten place is 3,my lakhs place is 2,the hundred place is twice the lakhs place,the thousand place is thrice the ten place ,the ten lakh place is 3 less than the thousand place,the one place is 2 less than the thousand place,the ten

    asked by thnki on March 8, 2015
  36. math

    Can you check my answers please? Thank you Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will

    asked by Anonymous on March 22, 2016
  37. Math Probability

    Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? Enter your answer as a

    asked by PleaseHelpCheckMyAnswers on March 22, 2016
  38. Algebra 2

    Question is about Step Functions:(between" " are all floor functions. The formula W=d+2m+"(3(m=1)/5)"+y+"y/4" -"y/100" + "y/400" + 2 gives the day of the month of the given date; m = the number of the month in the year with January and February regarded as

    asked by Casey on October 24, 2011
  39. Math

    Joel scores in 80% of his games. His team is starting the playoffs, and if they make it to the state championship, they will have played 5 games. Joel wants to determine the probability that he scores in 4 of the 5 games. Which simulation design has an

    asked by Asia on February 12, 2016
  40. Math

    Joel scores in 80% of his games. His team is starting the playoffs, and if they make it to the state championship, they will have played 5 games. Joel wants to determine the probability that he scores in 4 of the 5 games. Which simulation design has an

    asked by Anonymous on February 12, 2016
  41. Maths Probability

    Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you

    asked by Anonymous on May 14, 2014
  42. Probability

    Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you

    asked by qwerty on May 26, 2015
  43. Probability

    Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you

    asked by qwerty on May 13, 2014
  44. MATH

    WRITE THE GREATEST POSSIBLE ERROR FOR EACH MEASUREMENT. 43mL I don't understand the question It depends on the graduations. I assume on this beaker you have 40ml, 50 ml marks. So the 3 is an estimated digit. A safe assumption is +-.5ml error.

    asked by SANDRA on April 29, 2007
  45. Math

    What do you call numbers that cannot be arranged into 2-row arrays? multipication After some research I finally understand the question. Those would be the odd numbers or the numbers without a factor of 2 in them. After much stress and contemplating, I

    asked by Trudy on September 11, 2006
  46. math

    2)How many arrangements of the integers 1,2,3,...,n are there such that each integer differs by one (except for the first integer) from some integer to the left of it? Let's construct the arrangement. First consider 1, it can only have two placed next to

    asked by Laura on October 15, 2006
  47. math

    ) Among the integers from 1 to 10, 000, 000, 000 which are there more of: Those in which the digit 1 occurs or those in which it does not occur? please prove

    asked by teach on February 9, 2015
  48. statistics

    17. All three‐digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 without repeating the digits are (a) 50. (b) 60. (c) 15. (d) 71. 18. One of the counting rules used to determine the total number of possible outcomes for experiments in

    asked by meri on June 30, 2015
  49. Math

    1. The measure of an interior angle of a regular polygon is 20 more than thrice the measure of its adjacent exterior angle. Find the number of sides of the polygon and its total number of diagonals. 2. Find the sum and difference between the sum of the

    asked by Brianna on October 14, 2014
  50. Math

    Call shades a role in the multiplication table the product in the row are all even the ones digit in the product repeats zero, four, eight, two, six what role does Carl shade?

    asked by Abby on October 15, 2018
  51. College

    Three(3) digit numbers can be formed from the digits 0,1,3,5,7 and 8. How many numbers can be formed without repeats. (A) if the 3 digits numbers must be divisible by 5. (b) if the 3 digits number must be a multiple of 2

    asked by Ibrahim issahaku kpaniyili on July 17, 2015
  52. Math

    I need some help please Determine the least four digit number that is divisible by 2,3, and 5. Explain your reasoning. Explain how you know that 123 123 123 900 is divisible by 2,3,5,9, and 10. How do you know that it is also divisible by 6.

    asked by Edward on September 16, 2008
  53. 5th grade math

    The value of technology digit 9 in 794,256 is__________ times the value of 9 in 12,276,459. (Think it is : 90,000×12,276,459) Is this right I tried multiplying I get crazy numbers though

    asked by Angel on January 22, 2016
  54. Maths - Pigeon-hole principle

    Using the Pigeon-hole principle... 91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.

    asked by Lexi on September 30, 2008
  55. math

    The digit 3 appears fourteen times in tye page numbers of Chapter 1 of a book.How manypages are there in Chapter 1 of the book?

    asked by Gallia on November 15, 2015
  56. math

    A computer password is required to be 5 characters long. How many passwords are possible if the password requires 1 letter(s) and 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

    asked by hana on November 2, 2015
  57. MATH

    a fraction with a denominater in the thousands will always have a decimal form with more decimal places than a fraction with a single-digit denominator. How would I determine if this statement is true or fals?

    asked by DEBBIE on April 14, 2010
  58. Probability

    A computer password is required to be 9 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 7 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

    asked by Samuel on March 25, 2016
  59. Algebra

    In the following problem, the digits 0-9 have been replaced with letters. Can you reconstruct the original multiplication problem by identifying what digit each letter represents? TEA (times)x_TEA_ SEA TNNA (add)t_TEA_ (ans.) CHINA

    asked by Mitch on November 28, 2012
  60. algebra

    In Utah, a license plate consists of 3 digits followed by 3 letters. The letters I, O, and Q are not used, and each digit or letter may be used more than once. How many different license plates are possible?

    asked by bre on March 12, 2009
  61. maths

    91 five-digit numbers are written on a blackboard. Prove that one can find three numbers on the blackboard such that the sums of their digits are equal.

    asked by Lexi on September 30, 2008
  62. 4th grade math

    round to the value of the underlined digit. 1. 6,820 8 is underlined 2. 714,396,283 6 is underlined 3. 85,026,288 2 is underlined after 0.

    asked by mythreyee on September 10, 2013
  63. math

    Suppose you have cards with the digits from 0 to 9, one card for each digit. Complete the following calculation using all of the cards. Explain how you went about getting your digits/answer.

    asked by Alfredo on November 11, 2014
  64. Math

    Please help me solve this one. I am looking for 4 digit answers for PLAE and MMSS MAKE+SEAK=PLAE ELKS+ESSK=MMSS

    asked by Jay on November 12, 2015
  65. pre calculus

    A state makes auto license plates that have two letters (excluding I, 0, and Q) followed by four digits of which the first digit is not zero. How many different license plates are possible?

    asked by ron on March 30, 2010
  66. math

    91 five digit numbers are written on a blackboard. How do you prove that you can find 3 numbers on the blackboard such that the sums of their digits are equal?

    asked by wendi on July 15, 2008
  67. medical billing

    the file clerk discovered a medical record placed incorrectly in the permanent files by checking for _____ in the last set of two-digit numbers in the medical records numbers.

    asked by misty on March 29, 2010
  68. Math

    Pages in a book are numbered in typical fashion, starting with !. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Can you help

    asked by Mark on September 11, 2012
  69. follow up(for Count Iblis)

    i have a follow up question for a previous post How do you know 2B is (20 "+" B) and not (2 "x" B) _______________________________________ to me this question does not make sense... it comes from a review packet for the SAT

    asked by manny on August 31, 2007
  70. Math

    Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur?

    asked by Mark on September 6, 2012
  71. Math

    Pages in a book are numbered in typical fashion, starting with !. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur?

    asked by Mark on September 11, 2012
  72. Math

    Account numbers for Northern Oil Company consist of seven digits. If the first digit cannot be a 0 or 1, how many account numbers are possible?

    asked by Josh on January 29, 2013
  73. math

    i am a digit greater than 50000 but less than 90000,my digits add up to 17, my first 2 digits are multiple of 10 and the last 3 are multiple of 100

    asked by gigi on August 30, 2015
  74. Math

    Write a 7 digit numeral with 6 in the ones place, 3 in the thousandths place, 1 in the thousands place, 2 in the tenths place, and 0's in a ll the other places?

    asked by Allison on September 5, 2012
  75. Math

    Sue's friens Kat has these numbers 89378, 42327,49734 and teacher has shown a 3, how many points will Kat have? What digit does she hope teacher will pull next week so she has the highest score?

    asked by Mike on August 22, 2011
  76. math please hurry

    A secret code must consist of three capital letters followed by a digit. Letters cannot be repeated. How many secret codes are possible? A. 140,400 B. 156,000 C. 175,760 D. 358,800

    asked by sophie on May 19, 2013
  77. math word problem 2

    the jerseys of the members of one team are numberes 01 to 42. how many jerseys contain the digit 0? a 9 b 10 c 12 d 13 i got: 13 jerseys is that right?

    asked by marko on December 15, 2011
  78. math

    Among the integers from 1 to 10, 000, 000, 000 which are there more of: Those in which the digit 1 occurs or those in which it does not occur?

    asked by Ralph on February 8, 2015
  79. Math

    A block is a consecutive sequence of the same digit that is not part of a longer such sequence. a.) Determine the number of sequences of 0's and 1's of length 10 in which every block of 1's has an even length. b.) Determine the number of sequences of 0's

    asked by Kris on February 17, 2007
  80. Math

    Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin

    asked by Beth on September 4, 2012
  81. Math

    Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin

    asked by Beth on September 4, 2012
  82. Math Help!

    I apologize for all these questions but I really need to get them done fast so I appreciate if you tried to answer some of them! 1. Bill is saving money in an empty jar. The first day he puts in a certain amount of money. Every day after the first he puts

    asked by Beth on February 22, 2015
  83. math

    How many two digit numbers are there in base 5. I really don't understand how to figure this out. I know it's been asked already, but I still don't understand it.

    asked by jason on March 6, 2011
  84. Math for Elementary Teachers II

    How many 4-digit license plates can be made by using the digits 0, 2, 4, 6, and 8 if repetitions are allowed? if repetitions are not allowed?

    asked by Michael on March 29, 2010
  85. math

    write an addition story for two3-digit numbers. write the answer to your story

    asked by grace on January 5, 2015
  86. MATH157

    How many 4-digit license plates can be made by using the digits 0, 2, 4, 6, and 8 if repetitions are allowed? if repetitions are not allowed?

    asked by Tyga on April 1, 2010
  87. math 12

    How many different binary numbers can be present by a string of binary code with 5 digits if the first digit is 1 and the last two digits are 0?

    asked by Juliet on March 20, 2010
  88. chemistry(can anyone help me with this)

    Which of the following is NOT true? A. Except for absorbance, most measurements contain significant figures and units. B. All numbers should be recorded from a digital readout. C. The uncertain digit is estimated between the last two markings. D. If an

    asked by tea on January 19, 2010
  89. math

    i really need to know what.... 4 to the power of 77 is... 477 = 2.28360 x 1046 according to my calculator. i don't know how to do factors with two digit numbers. Please click Post a New Question, put Math in the subject line, and post your question. It

    asked by Kimmy on February 20, 2007
  90. CHEM 1LB

    Which of the following is NOT true? A. The uncertain digit is estimated between the last two markings. B. Except for absorbance, most measurements contain significant figures and units. C. All numbers should be recorded from a digital readout. D. If an

    asked by Shawn Tabrizi on January 21, 2011
  91. Math

    Audrey is thinking of a number. If the number is divided by 3 and added to 12, the result is 29. Of which number is Audrey thinking? A.63 B.54 C.51 D.44 C? Look at the number tiles below 279 Which group of numbers shows all 3-digit numbers that can be made

    asked by Colton on February 9, 2012
  92. Math

    My 7th grade daughter has the following math problem and gets zero help from her "language arts" teacher who gave out this problem: WANT X BE ________ CAREER Each letter in this question stands for a 1-digit #. No 2 letters may stand for the same #. Find

    asked by KP on March 8, 2011
  93. math

    how often does a leap year occur? what are al the prime numbers less then 12. what is the eighth multiple of 32? is the last digit of the multiples if 4 odd or even? what are the six factors of 12? what are the factors of 16. two factors of 20 are 1 and

    asked by jojo on November 9, 2010
  94. math

    first multiply first 2 digits, wrire answer side by then multiply1st and 3rd digits write answer next to earlier answer. Then add both answers and minus middle digit of the question

    asked by Anonymous on March 5, 2015
  95. math

    in the addition problems below each leter represents the same digit in both problems. Replace each letter with a different digi, 1-9, so that both addition problems are true.(there are two possible answers.) A B C A D G +D E F +B E H ------ ------ G H I C

    asked by kenzie on August 23, 2007
  96. MATH

    A bike club wants to make license plates for bikes. Each license plate has a letter followed by a digit. How many different license plates can be made?

    asked by JORDAN on April 18, 2011
  97. algebra

    6RS +RR4 PQPQ P,Q,R and S represents four different digits. what digit does S represents? (A)1 (B)2 (C)5 (D)6 (E)8 I think the answear is 6 but now sure. Am i correct? How do you figure this problem? The answer is (E)8. The rest of the letters are as

    asked by Bryan on November 10, 2006
  98. Math

    Which digit (0-9) occurs most often on a calendar for this month. Which occurs least often? Is the answer the same for every month of this year?

    asked by Ruth on December 10, 2013
  99. Medical Records

    I want to make sure I am correct.Can you check this for me? We need to have this in Middle Digit Order. I know I start with my primary. 534-01-38 535-01-38 536-01-38 534-10-36 222-10-37 534-10-38 600-11-37 535-11-38 Assignment due tonight

    asked by Lauri on June 15, 2010
  100. Calculus and quadratic equations

    Peter the punter decided to place $10,000 into a high growth share portfolio. After 3 weeks his investment was looking rather sad, with the value of his portfolio falling $2,025. Unperturbed, Peter stuck with his original plan to hold the stock for at

    asked by Roney on May 20, 2015