A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

OregonDuck

  • one year ago

@ChrystalC

  • This Question is Closed
  1. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Arlene is showing her work in simplifying −7.9 + 8.2 − 3.4 + 2.1. Identify any errors in her work or in her reasoning. Write feedback to Arlene explaining the mistake she made and how to correct her work. Step Work Reasoning −7.9 + 8.2 − 3.4 + 2.1 Original problem 1 −7.9 + 8.2 + (−3.4) + 2.1 Additive inverse 2 −7.9 + (−3.4) + 8.2 + 2.1 Associative property 3 (−7.9 + (−3.4)) + (8.2 + 2.1) Commutative property 4 −11.3 + 10.3 Simplify 5 −1 Simplify

  2. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    my teacher said the properties in steps 2 & 3 are misidentified but i do not see any errors

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

    i tried each step but i don't see any errors

  4. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    tag people cause my teacher asked me to redo this because there are errors in step 2 and 3

  5. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it is the way they are indtified

  6. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ok

  7. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    2 −7.9 + (−3.4) + 8.2 + 2.1 Associative property 3 (−7.9 + (−3.4)) + (8.2 + 2.1) Commutative property

  8. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    associative and commutative is the part that is wrong

  9. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @ali2x2

  10. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @Mehek14

  11. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @Daniel14

  12. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @misty_fox

  13. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @mathmath333

  14. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @undeadknight26

  15. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @Cookie_2046

  16. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    anyone?!?!?

  17. mathmath333
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    i think the second should be commutative and third should be associtive , not sure

  18. OregonDuck
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah that sounds right THXS SO MUCH

  19. 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.