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anonymous

  • one year ago

Andrew is showing his work in simplifying −4.5 + 4.2 + 5.6 − 7.3. Identify any errors in his work or in his reasoning. Write feedback to Andrew explaining the mistake he made and how to correct his work. Step Work Reasoning −4.5 + 4.2 + 5.6 − 7.3 Original problem 1 −4.5 + 4.2 + 5.6 + (−7.3) Additive inverse 2 −4.5 + (−7.3) + 4.2 + 5.6 Commutative property 3 (−4.5 + (−7.3)) + (4.2 + 5.6) Associative property 4 −11.8 + 9.8 Simplify 5 −21.6 Simplify

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  1. anonymous
    • one year ago
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    help anyone

  2. anonymous
    • one year ago
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    hold on ill try

  3. anonymous
    • one year ago
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    ok

  4. anonymous
    • one year ago
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    wow ok hold on just a lil more

  5. anonymous
    • one year ago
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    take your time

  6. anonymous
    • one year ago
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    −4.5+4.2+5.6−7.3 =−0.3+5.6−7.3 =5.3−7.3 =−2 this is what the equation should be... and i believe his mistake is in step 3 becaushe i cant figure out why he moved that 7.3.....

  7. anonymous
    • one year ago
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    @mertsj

  8. anonymous
    • one year ago
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    how do i thank you

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spraguer (Moderator)
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