A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 4 years ago

Lee made a conjecture that any number ending in 3 will be divisible by 3. Which of the following best describes whether or not the conjecture is reasonable?

  • This Question is Closed
  1. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    A. Yes, it is reasonable because 33, 63, and 93 are all divisible by 3. B. Yes, it is reasonable because a number that ends in 3 will always be odd. C.No, it is not reasonable because 13 is not divisible by 3. D.No, it is not reasonable because 6, 9, and 12 do not end in 3.

  2. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    For any number to be divisible by 3, all integers of the number have to add up to a multiple of 3. For example 81 is divisible by 3 because 8+1=9

  3. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so wat letter

  4. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    C. Its a contradiction.

  5. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so, 3 is not divisible by 3?

  6. Directrix
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    3 is divisible by 3 but 13 is not. Divisible in this context means the remainder is 0. I am interpreting "reasonable" to mean "true." C. No, it is not reasonable because 13 is not divisible by 3.

  7. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thx

  8. anonymous
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    It has to hold for ALL cases, not just 1.

  9. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.