Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

samtab

  • 2 years ago

Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5? a,commutative property of addition b,distributive property c,additive identity d,additive inverse please help me:(

  • This Question is Closed
  1. jim_thompson5910
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Hint: 27 + 15 + 3 + 5 may be easier to do in your head if you swap 15 and 3 to get 27 + 3 + 15 + 5

  2. precal
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    commutative propery commutative property of addition a+b=b+a commutative property of multiplication ab=ba

  3. precal
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    using words commutative property allows you to add numbers in any order a+b=b+a or 12+3=3+12 for the second case it allows you to multiply numbers in any order ab=ba 2*5=5*2

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

    jim_thompson5910 is correct

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

    so it b???

  6. jim_thompson5910
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    re-read what precal wrote

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

    ow its c

  8. jim_thompson5910
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you sure?

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

    no not really:(

  10. jim_thompson5910
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    which property did precal mention?

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

    comunitive

  12. jim_thompson5910
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    that's your answer

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.