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anonymous

  • one year ago

2) y+1.2y+1.2z A) 2.4yz B)1.3y+1.2z C)1.2y^2 + 1.2z D)2.2y+1.2z

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  1. texaschic101
    • one year ago
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    Just a matter of combining like terms. Do you know what like terms are ?

  2. anonymous
    • one year ago
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    no

  3. texaschic101
    • one year ago
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    For example : 2x + 3x -- these are like terms, they have exactly the same letters...you can add/subtract these. you cannot add/subtract unlike terms. these are unlike terms... 2x + 3y......or 4x + 5.... so we need to find our like terms and add/subtract them. Can you find the like terms ?

  4. anonymous
    • one year ago
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    A?

  5. texaschic101
    • one year ago
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    no... y + 1.2y + 1.2z like terms have the same exact letter...what are the like terms ?

  6. anonymous
    • one year ago
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    B?

  7. texaschic101
    • one year ago
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    quit guessing... let me explain this one for you.... like terms have the exact same letters... y and 1.2y are you like terms. And whenever you have a letter without a number, it is 1. So we have 1y + 1.2y .....added = 2.2y. Now we cannot forget about our z term...just because it has no like terms to add to it, we still have to put it in there. So our answer is : 2.2y + 1.2z questions ?

  8. anonymous
    • one year ago
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    ok thank you

  9. texaschic101
    • one year ago
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    sure thing :)

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