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anonymous

  • one year ago

Finding the 20th term of a Arithmetic Sequence that is 10, 14, 18, 22...

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  1. anonymous
    • one year ago
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    Please help

  2. anonymous
    • one year ago
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    @Kitten_is_back @undeadknight26

  3. undeadknight26
    • one year ago
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    Well it goes up by 4 every time. You can either count it or...Is there a formula used to find this?

  4. anonymous
    • one year ago
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    I know there is a formula, But i'm not sure what it is.

  5. anonymous
    • one year ago
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    The question im doing says I need to explain my steps and I can't count up to it.

  6. undeadknight26
    • one year ago
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    Alright :D The formula is an = a1 + (n - 1)d Do you know what to do now?

  7. undeadknight26
    • one year ago
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    10 + (20 -1)4 Can you solve that?

  8. undeadknight26
    • one year ago
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    A1 = first term of the sequence N = Term you are trying to find. D = difference. A1 = 10 N = 20 D = 4

  9. undeadknight26
    • one year ago
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    (o.o")(o.o)("o.o) Hello?

  10. anonymous
    • one year ago
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    Sorry I got sidetracked.

  11. anonymous
    • one year ago
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    But it would be 86

  12. undeadknight26
    • one year ago
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    I would say that's your answer :)

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