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anonymous

  • one year ago

someone show me how to do this please? What is the d value in the following arithmetic sequence? -7, -2, 3, 8, ...

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  1. Vocaloid
    • one year ago
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    do you notice the pattern in the sequence?

  2. anonymous
    • one year ago
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    it goes by 5

  3. Vocaloid
    • one year ago
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    right, it increases by 5 each time so d = 5

  4. anonymous
    • one year ago
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    ohh okay! thank you!

  5. anonymous
    • one year ago
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    one more question

  6. anonymous
    • one year ago
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    @Vocaloid ???

  7. Vocaloid
    • one year ago
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    sure

  8. anonymous
    • one year ago
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    for the same set of numbers, it ask what is the 25th term, whats an easier way to find it without having to write it all out till i get the 25th one?

  9. Vocaloid
    • one year ago
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    there's a formula for arithmetic sequences an = a1 + (n-1)d where a1 is the first term (-7), d is the common difference (5) and n is the term we want (25)

  10. anonymous
    • one year ago
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    okay thank you! btw, looking ahead i might have more question but ill post them seperatly, is it okay if i tag you? so i can give you more metals too.

  11. Vocaloid
    • one year ago
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    sure, I'll be online for the next hour or two

  12. anonymous
    • one year ago
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    also, is 113 right?

  13. Vocaloid
    • one year ago
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    yes

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spraguer (Moderator)
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