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anonymous

  • one year ago

Justin wrote the following indirect proof: Prove: 7 is a factor of 91. Step 1: Assume that 7 is a factor of 91. Step 2: 91 divided by 7 is 13. Step 3: A factor is an integer by which another integer is divisible. Step 4: Therefore, 7 must be a factor of 91. Which step in Justin's proof is incorrect? Step 1 Step 2 Step 3 Step 4

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  1. anonymous
    • one year ago
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    I don't get this problem because they are all correct

  2. Mehek14
    • one year ago
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    Factors are numbers you can multiply together to get another number in step 3, it says A factor is an integer by which another integer is divisible.

  3. ParthKohli
    • one year ago
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    I don't see a problem in step 3.

  4. Mehek14
    • one year ago
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    but the definition of factor is wrong in step 3

  5. anonymous
    • one year ago
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    They all seemed correct

  6. Mehek14
    • one year ago
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    \(\bf{factors\rightarrow{multiplication}}\)

  7. anonymous
    • one year ago
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    Ok thank you

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spraguer (Moderator)
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