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DallasLifeBaby01

  • one year ago

What are the next three terms in the sequences below? 1.) 2, 5, 7, 12, ___, ___, ___ 2.) 9, 11, 20, 31, ___, ___, ___ 3.) 2, 5, 10, 50, ___, ___, ___ 4.) 1, 3, 3, 9, ___, ___, ___

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  1. SolomonZelman
    • one year ago
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    oh the patterns are: 2, 5, 7, 12, ___, ___, ___ 9, 11, 20, 31, ___, ___, ___ 2, 5, 10, 50, ___, ___, ___ 1, 3, 3, 9, ___, ___, ___ correct? (got a bit confused by the numbers in front)

  2. DallasLifeBaby01
    • one year ago
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    yes let me edit it

  3. SolomonZelman
    • one year ago
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    the last pattern is \(\Large\color{black}{ a_{n+1}=a_{n}\times a_{n-1} }\)

  4. SolomonZelman
    • one year ago
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    the 3rd pattern is r=5/2 (geometric sequence)

  5. DallasLifeBaby01
    • one year ago
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    i don't have anything to work it out on but im sitting some kids and I'm trying to go over their work

  6. SolomonZelman
    • one year ago
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    the 2nd pattern is Fibonacci sequence, but they start from 9 and 11

  7. SolomonZelman
    • one year ago
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    and the 1st sequence is also Fibonacci sequence, that starts from 2 and 5

  8. SolomonZelman
    • one year ago
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    (i gave you the patterns)

  9. DallasLifeBaby01
    • one year ago
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    okay thank you!

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