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anonymous

  • one year ago

Choose the best definition for the following term: substitution. 1) A letter that holds the place for some unknown value in mathematics 2) A process where you must look for terms that have identical variable parts and then combine their coefficients 3) A process where if two things are equal, one can be put in the place of the other and nothing will change 4) Terms that have identical variable parts Save

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  1. misty1212
    • one year ago
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    HI!!

  2. anonymous
    • one year ago
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    Hi Misty!

  3. misty1212
    • one year ago
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    i would go with C since a) it is almost always C and b) it is the only answer that makes sense

  4. anonymous
    • one year ago
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    I thougth substitution meant the act of replacing the letters with actual numbers. Like subbing values in

  5. anonymous
    • one year ago
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    However C is DEFINITELY CORRECT and I CAN SWEAR to my mother.

  6. misty1212
    • one year ago
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    you can substitute variables for sure \[a^2-b^2=(a+b)(a-b)\] put \(a=2x,b=y^2\) get \[4x^2-y^4=(2x+y^2)(2x-y^2)\]

  7. anonymous
    • one year ago
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    How can you type up equations so fast?

  8. misty1212
    • one year ago
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    \[\LaTeX\]

  9. anonymous
    • one year ago
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    obrigadooooo

  10. misty1212
    • one year ago
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    de nada \[\color\magenta\heartsuit\]

  11. anonymous
    • one year ago
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    hablas espaniol? Muy bien yo tambien

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