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PLEASE HELP THIS IS DUE TODAY!!! Which number is divisible by 2, 9, and 10 A. 45 B. 60 C. 90 D. 150 Which of the following numbers is divisible by 2, 3, 5, 6, 9, and 10? A. 420

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  1. math

    PLEASE HELP THIS IS DUE TODAY!!! Which number is divisible by 2, 9, and 10 A. 45 B. 60 C. 90 D. 150 Which of the following numbers is divisible by 2, 3, 5, 6, 9, and 10? A. 420 B. 540 C. 250 D. 510 45 is divisible by which of the following numbers? A. 1,
  2. Math

    1. Is 26 divisible by 2? A. No. B. Yes, because 2 + 6 = 8 and 8 is divisible by 2. C. Yes, because the last digit is 6, which is divisible by 2. 2. Is 216 divisible by 3? A. No. B. Yes, because the sum of 2 + 1 + 6 = 9, which is divisible by 3. C. Yes,
  3. Math

    The question is this: You know that a number is divisible by 6 if it is divisible by both 3 and 2. So why isn't a number divisible by 8 if it is divisible by both 4 and 2? My answer is this: The only prime factors of 6 are 2 and 3. So, if a number is
  4. mathematics

    1. state the fundamental theorem of arithmetic: 2. True or False: a. if p and q are prime number, then p+q is odd b. if a number is divisible by both 3 and 7 then it is divisible by 21 c. if a number is divisible by 21 then it is divisible by both 3 and 7.
  5. math

    A number is chosen from the first 24 positive integers. Find the probability that: a) the number is divisible by 3 given that it is divisible by 4 b) the number is divisible by 6 given that it is divisible by 3 Just need help with either one, thank you for
  6. math

    please help me!!!!!!!!!!! Identify if the first number is divisible by the second number, and if so, the reason why. Is 26 divisible by 2? A. No B. Yes, because 2 + 6 = 8 and 8 is divisible by 2. C. Yes, because the last digit is 6, which is divisible by
  7. math

    can somebody help me to check my answer Identify if the first number is divisible by the second number, and if so, the reason why. Is 216 divisible by 3? A. No B. Yes, because the sum of 2 + 1 + 6 = 9, which is divisible by 3. C. Yes, because the last
  8. Math

    Which statement is correct? Explain your choice. If a numbers to divisible by 3 and 6, then it is divisible by 18. If a number is divisible by 2 and 9, then it is divisible by 18.
  9. math

    Using the numbers 1 through 9 with no repeats, find a 9 number such that: the first digit is divisible by 1, the first two digits are divisible by 2, the first 3 digits are divisible by 3, and so on until we get to a 9 digit number divisible by 9. You
  10. teaching math

    Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not
  11. teaching math

    Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not
  12. math

    Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. 8 If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not
  13. math

    What are the divisibility short cuts that help you out? Odd numbers can only be divided evenly by another odd number. Even numbers can be evenly divided by either odd or even numbers. 2---Numbers that end in 0, 2, 4, 6, or 8 are evenly divisible by 2.
  14. maths

    Calculate the total present value today (to 2 decimal places) of the following cash flows: $300 due in 2 years from today $1,000 due in 5 years from today $200 due in 15 years from today Use an interest rate of 12% per annum.
  15. Math

    Use mathematical induction to prove that 5^(n) - 1 is divisible by four for all natural numbers n. Hint: if a number is divisible by 4, then it has a factor of 4. also, -1 = -5 +4 This is a take home test so I don't want the answer because I want to know
  16. Mathematics

    1. 62 is divisible by which of the following numbers? A. 1, 3, 31, 62 B. 1, 2, 3, 31 C. 1, 4, 16, 62 D. 1, 2, 31, 62 2. 45 is divisible by which of the following numbers/ A. 1, 5 8 B. 1, 2, 3 C. 1, 2 ,5 D. 1, 3, 5, 9 3. Which of the following numbers is
  17. Easy Math

    The number of positive integers that are less than 500 and that are not divisable by 2 or 3 is? There are 250 divisible by 2, 166 divisible by 3 and 83 divisible by both. So 250 + 166 - 83 = the numbers divisible by 2 or 3, without double counting.
  18. Math

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  19. Math/Algebra

    if you add one number divisible by n and one number not divisble by n will the result be divisible by n? and.. if you add two numbers not divisible by n will the reult be dvisible by n? explain.
  20. Maths

    Is this statement true? Give an example to support your answer. "If two numbers are divisible by another number then their difference is also divisible by that number". I think that its like this: 3 and 4 is divisible by 12 then 4-3=1 so the answer is no?
  21. Math

    Identify if first number is divisible by the second number, and if so, the reason why. Is 40,100 divisible by 10? A. No. B. Yes, because there is a 10 in the number. C. Yes, because the last digit of the number is 0 i wont all of the answers peas no
  22. math

    The following conjectures were made by students. Are they true or false? Give a counterexample if possible. Only half of the nonzero even numbers up to 100 are divisible by 4. My answer is that it is true. A number is divisible by 8 if it is divisible by 4
  23. Math for Computer Science

    Let n be a natural number. If n is divisible by 9, that is neither a necessary nor sufficient condition for n being divisible by 6, right? Because I'm not sure about the wording of the question asking whether it is either necessary or sufficient, but I
  24. maths

    The values A,B,C, and [(A/B)+C], are all integers which are divisible by 3. Then, which of the following statements must be true: A is divisible by 9 B is divisible by 9 C is divisible by 9 A and B are both divisible by 9 A,B,and C are all divisible by 9
  25. number theory

    The values A,B,C, and [(A/B)+C], are all integers which are divisible by 3. Then, which of the following statements must be true: A is divisible by 9 B is divisible by 9 C is divisible by 9 A and B are both divisible by 9 A,B,and C are all divisible by 9
  26. Math

    I need to know if the deductive reasoning that is used in this example is affirming the hypothesis or denying the conclusion. 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
  27. Math

    1.) What is the conclusion of the following conditional? A number is divisible by 3 if the sum of the digits of the number is divisible by 3. A.) The number is odd. B.)The sum of the digits of the number is divisible by 3 C.) If the sum of the digits of a
  28. math problem

    My ID number is quite remarkable.Its a 9 digit number with the digits 1-9 appearing only once. The entire 9 digit nuymber is divisible by 9. If you remove the last digit, the remaining 8 digit number is divisible by 8. If you remove the last digit again,
  29. new math

    Tell whether each number is divisible by 2, 3, 4, 5, 8, 9, or 10. Some numbers may be divisible by more than one number. 1.324 2.840 3.2,724 4.81,816 5.7,848
  30. new math

    Tell whether each number is divisible by 2, 3, 4, 5, 8, 9, or 10. Some numbers may be divisible by more than one number. 1.324 2.840 3.2,724 4.81,816 5.7,848
  31. new math

    Tell whether each number is divisible by 2, 3, 4, 5, 8, 9, or 10. Some numbers may be divisible by more than one number. 1.324 2.840 3.2,724 4.81,816 5.7,848
  32. algebra

    how would i find least common multiple of 20, 50 and 3 ? okay well you take the 50 and times it by ever number 50--> is it divisbile by 3 NO so not the least common multiple 50x2=100 --> is it divisible by 3 NO, so not the least common multiple 50x3=150
  33. Math

    Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1 or 1. Picking a number that is divisible by 5 from a jar with papers labeled from 1 to 12. The
  34. math

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  35. math

    I am a positive integer less than 100. two more than my value is a multiple of 6. the sum of my digits is a multiple of 7. I must show all my work This kind of problem can't be solved by writing and solving one or two equations. You have to use "trial and
  36. math

    Find the value of the missing digit that makes the statement true. 214,21_ is divisible by 11 Determine whether the statement is true or false. Why? If a natural number is divisible by 5 and 2, then it must also be divisible by 10.
  37. number theory

    How do you prove that any palindrome, a number that reads the same backwards and forwards, with an even number of digits is divisible by 11? I know how to show a number is divisible by 11, but how do you prove the above case?
  38. Math

    How do you calculate this problem (55)(38/3)(5280) (55)(38/3)(5280) = (55)(38)(5280/3) You can see that 5280 is divisible by 3 using this trick. Add up the digits of the number and if that is divisible by 3 then the number is also divisible by 3.
  39. math

    the 2-digit # that is divisible by both the sum and the product of its digits. i got 24 and 30, but would 30 count? in other words, is it ok that 30 is divisible by 0, the product of its digits? 30 isn't divisible by zero. Any number divided by zero is
  40. need help in tis problem

    which biconditional is not a good definition? 1. a whole number is odd if and only the number is not divisible by 2 2. an angle is straight if and only if its measure is 180 3. a whole number is even if and only if it is divisible by 2 4. a ray is a
  41. Math PLEASE HELP!!!

    Which of the following is false? a. A number that is divisible by 3 and 20 is divisible by 60. b. A number that is divisible by 4 and 15 is divisible by 60. c. A number that is divisible by 5 and 12 is divisible by 60. d. A number that is divisible by 6
  42. Math

    Which of the following is false? a. A number that is divisible by 3 and 20 is divisible by 60. b. A number that is divisible by 4 and 15 is divisible by 60. c. A number that is divisible by 5 and 12 is divisible by 60. d. A number that is divisible by 6
  43. Math

    Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is divisible by 7. The digits 1389 also
  44. IB HL Math

    I need to that if there is better way to prove the following: I am trying to prove that x r = k and k is a multiple of x only when x is prime. I said that if x is non-prime, then: Let a = 6 Let r = 4 6! (6 – 4)! 4! = 3(2) x 5 x 4! (2!) 4! = 15 It is not
  45. Math Help Please

    Can you Please explain the answer that I received of 2469? It is the correct answer but I do not understand how to show the work. Thank you *************************************** Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four
  46. MATH

    Need Answer to the Following Please: Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is
  47. Math

    Received answer to the following question from Jishka. (2469) Would you please explain the steps you used to get the answer 2469. I must show work. Thank you Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a
  48. math

    Find digits A and B in the number below so the folling condition are true. The 5-digit number must be divisible by 4. The 5-digit number must be divisible by 9. Digit A cannot be the same as Digit B. 12A3B Explain the steps you followed to solve the
  49. Math- Just want to check

    A number is divisible by 2,3, and 8. what is the smallest three digit number that is divisible by this number? is it 144?
  50. Check Fib. Number problem please

    For any prime number p except 2 and 5, either Fp-1 or fp+1 is divisible by p. If I showed that this is true for p=7, the answer should be F8---is this correct because f8 is 21. P=11 would be divisible by 55 which is F10.
  51. Math

    Here is the question: If a natural number is divisible by 5 and 2, then it must also be divisible by 10. My answer: false. Is this correct?
  52. Math

    Find a counterexample to show that the conjecture is false. Any number that is divisible by 5 is also divisible by 3. A. 45 B. 60 C. 30 D. 25
  53. Math

    Determine whether the statement is true or false. Explain or show why. If a natural number is divisible by 7, then it must also be divisible by 21
  54. Math

    This question confuses me... Identify a number thatis divisible by 17, 3, and 9, which is not divisible by 7, 18, 5, 16, and 14.Describe how you found this answer.
  55. math

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  56. Math 112

    A student claims that if a number is divisible by 6 and 4 then the number is divisible by 24. What is your response?
  57. mathematics

    Determine whether the following biconditional statements are true or false. 1. Any whole number is divisible by 3 if and only if the sum of its digits is divisible by 3. 2. 1/x > 0 if and only if x ≥ 0. 3. 2 is a prime if and only if 7 is even.
  58. mathematics

    Determine if the biconditional statements are true or false. 1. Any whole number is divisible by 3 if and only if the sum of its digits is divisible by 3. 2. 1/x > 0 if and only if x ≥ 0. 3. 2 is a prime if and only if 7 is even.
  59. math

    You know that a number is divisible by 6 if it is divisible by both 3 and 2. So why isn’t a number divisible by 8 if it is divisible by both 4 and 2?
  60. 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
  61. Math

    Need Answer to the Following Please: Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is
  62. Math

    Which number can be used as a counter example to, "Any number that is divisible by 3 is divisible by 9"? a)9, b)18, c)30, d)40 Can you explain me the answer how do you get it? because I don't understand about counter examples. Thanks
  63. Math Help Please

    Would you please explain the steps you used to get the answer 2469. Thank you Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged
  64. math

    B owes $3000 due 2 years from today without interest and $2000 with interest at 4% compounded quarterly due in 6 years from today.if money worth is 5% compounded semiannually what single payment made 4 years from today will discharge his debts?
  65. math

    When two digits of thbase 10 representation of an inteer are intercharged, the diference bewen the old number and the new number is divisible by 9. Why? What happens in other bases? 10A + B - 10B -A= difference. This reduces to 9A - 9B 9(A-b)= difference.
  66. Mathematics

    Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 false 2,064 is divisible by 2,4,and8 false 96,240 is divisible by 2,3,5, and 10 false Am I right?
  67. Mathematics

    Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 true 2,064 is divisible by 2,4,and8 true 96,240 is divisible by 2,3,5, and 10 true Am I right?
  68. Probability math ?

    If I am rolling a single dice what is the probability of rolling a number that is divisible by 2 and 3? The only number divisible by 2 and 3 is 6. So, would the answer be 1 out 6 or 1/6
  69. probability

    Tickets numbered from one to 40 are mixed up and one is drawn. What is the probability that number is divisible by 3 or 5? What is the probability that number is divisible by 3 and 5?
  70. Math

    THE BOOK SAYS TO TELL WHETHER EACH NUMBER IS DIVISIBLE BY 2, 3, 4, 5, 6, 9, OR 10. THE NUMBER GIVEN IS 60. WHICH OF THESE NUMBERS ARE DIVISIBLE BY 60?
  71. math

    Who proved this statement using deductive reasoning? If a, b, and c are consecutive positive numbers, then a+b+c is divisible by 3.* CARL: Take 4, 5, and 6. 4 + 5 + 6 = 15 which is divisible by 3. So it's true. LAYLA: If we have n, n+1, and n+2, and add
  72. Math

    I am a 3digit number divisible by 3. my tens digit is three times as great as my hundreds digit and the sum of my digits is 15. if you were reverse my digits I am divisible by six, as well as by 3. what number am I?
  73. 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.
  74. math

    Let's find the least square number other than zero which is divisible by 10,15,20and 30.Also let's write the next square number which will be divisible by these number.
  75. mathematics

    A number n where if the sum of the dights of the number is divisible by n, then the number itself is divisible by n.
  76. mathematics

    A number n where if the sum of dights of the number of the number is divisible by n, then the number itself is divisible by n?
  77. algebra

    can someone put this in easier to understand English for me translate the phrase into an algerbraic expression . let x resprent the unknown number . an eleventh of a number please help I have to go sum where and it is due today
  78. Geomerty

    Find a Counterexample to show that the conjecture is false. Conjecture: Any number that is divisible by 6 is also divisible by 12. A. 36 B. 30 C. 48 D. 60 Im thinking that the answer is B. 30, but i was just making sure.
  79. Math

    If 1 is added to every prime number less than 100, how many more of the resulting sums will be divisible by 4 than by 3? (If more of the sums are divisible by 3 than by 4, your answer will be negative.)
  80. Math

    If a natural number is divisible by 7, then it must also be divisible by 21.
  81. Algebra ASAP

    so this is a fill in on a worksheet and I am having difficulty as the ones I inserted are incorrect can anybody help me how to do it all, sorry it's a long problem. Show that 3^2n − 1 is divisible by 8 for all natural numbers n. Let P(n) denote the
  82. math

    Statement: If a number is divisible by 2 and by 3, then it is divisible by 6 and vice versa. Is this statement true? Give an example or counter example.
  83. statistics

    I can't seem to figure out the class interval for this grouped frequency distribution table: Highest Score=684 Lowest Score=56 & the professor has instructed us to use an interval size of 61 The starting point needs to be divisible by 61 due to convention.
  84. Maths

    I’m a 4-digit number. My 1st 2 digits from the left are divisible by 5. My 3rd and 4th digits from the left are divisible by 9. The sum of my digits is 18. Each of my digit is different. I’m divisible by 4. I’m less than 6000. My units digit is twice
  85. Math

    I am a 3 digit number divisible by 3. My tens digit is 3 times as great as my hundreds digit, and the sum of my digits is 15. If you reverse my digits, I am divisible by 6, as well as by 3. What number am I? Thank you for your help.
  86. math

    i am a 3 digit number divisible by 3.my tens digit is 3 times as great as my hundreds digit and the sum of my digits is 15. if you reverse my digits i am divisible by 6 and 3...... what number am i?
  87. Math

    1.62 is divible by which of the following numbers? A.1,3,31,62 B.1,2,3,31 C.1,4,16,62 D.1,2,31,62 I PICKED D. ------------------------------- 2.108 is divisible by which of the following sets of numbers? A.1,2,3,4,6,9,12,18,27,36,54,108 b.1,2,4,27,54,108
  88. math

    1.62 is divible by which of the following numbers? A.1,3,31,62 B.1,2,3,31 C.1,4,16,62 D.1,2,31,62 I PICKED D. ------------------------------- 2.108 is divisible by which of the following sets of numbers? A.1,2,3,4,6,9,12,18,27,36,54,108 b.1,2,4,27,54,108
  89. PRE-CALC

    A number is selected at random from the set {2, 3, 4, … ,10}. Which event, by definition, covers the entire sample space of this experiment? A) The number is greater than 2. B) The number is not divisible by 5. C) The number is even or less than 12. D)
  90. math

    Given that the number 1372x413 is divisible by 11, where x is a digit, then the value of x is To find if number is divisible by 11, difference of sum of digits at even places and sum of digits at odd places should be either 0 or 11. is this correct?????
  91. math

    Test these conjectures. Give three examples. Explain if the conjecture is correct or incorrect. 1. If a number is divisible by 4, it is always an even number._________________________________ 2. All multiples of 5 have a 5 in the ones
  92. Discrete Math

    Use mathematical induction to prove the truth of each of the following assertions for all n ≥1. 5^2n – 2^5n is divisible by 7 If n = 1, then 5^2(1) - 2^5(1) = -7, which is divisible by 7. For the inductive case, assume k ≥ 1, and the result is true
  93. math

    Tyler is thinking of a number that is divisible by 2 and 3. By which of the following numbers must Tyler's number also be divisible? 6? 8? 9? 12?
  94. math

    b. A number is divisible by 8 if it is divisible by 4 and divisible by 2.
  95. math divisibility

    i need to write the missing digit to make each number divisible by 3 1,843,#89 i got the missing number as : 3 s/b 1,843,389 is that right? #2 i need to write the missing digit to make each number divisible by 8 2,4#2 i cant figure that out i got : 2,422?
  96. 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
  97. Math

    1) for any three consecutive numbers, what can you say about odd numbers and even numbers? Explain. 2 A)Mirari conjectures that, for any three consecutive numbers, one number would be divisible by 3. Do you think Mirari is correct? Explain. 2 B) Gia claims
  98. Reiny to Gina (logic)

    I saw your reply re my late night solution to your pumpkin question http://www.jiskha.com/display.cgi?id=1224212047 I did indeed make two typing errors, which even though they do not change the actual answer, nevertheless would have caused confusion. I
  99. Help

    Jane claimed that a number is divisible by 4 if each of the last two digits is divisible by 4. Is this claim accurate? If not, how would you suggest that Jane change it to make it accurate?
  100. Math

    Is 4^33 + 3^44 divisible by 5? Please help ASAP. This is due tomorrow. Thank you very much :)

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