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ramirokool

  • 3 years ago

Which of the following is the formula for the geometric sequence? 3, 15, 75, 375 ... Answer an=3(5)n-1 an=5(3)n-1 an=12(3)n-1 an=5(12)n-1

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  1. ramirokool
    • 3 years ago
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    @Shadowys

  2. campbell_st
    • 3 years ago
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    well the 1st term is 3 and the common ratio is 5 so \[T_{n} = ar^{n -1}\] is the formula for a term in a geometric series... substitute a = 3 and r = 5 into the formula to find the formula.

  3. ramirokool
    • 3 years ago
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    It would be A than (:

  4. campbell_st
    • 3 years ago
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    well you have all the information just substitute and trust your algebra skills.

  5. ramirokool
    • 3 years ago
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    @Shadowys is it A or B

  6. ramirokool
    • 3 years ago
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    I go with B campbell sir.

  7. ramirokool
    • 3 years ago
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    I did it on my sheet.

  8. ramirokool
    • 3 years ago
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    @Shadowys HELP

  9. ramirokool
    • 3 years ago
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    @nubeer can you confirm if it B

  10. ramirokool
    • 3 years ago
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    @jiteshmeghwal9 Is it B?

  11. nubeer
    • 3 years ago
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    its not B option

  12. jiteshmeghwal9
    • 3 years ago
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    Sorry..... No idea but go with the tips given by @CarlosGP

  13. ramirokool
    • 3 years ago
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    So I'ma go with A or C

  14. ramirokool
    • 3 years ago
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    @nubeer Mis calculation it D

  15. nubeer
    • 3 years ago
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    still wrong.. maybe read again the guidelines told by Campbell...

  16. campbell_st
    • 3 years ago
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    wow @ramirokool, you don't have a lot of confidence in your skills.

  17. ramirokool
    • 3 years ago
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    @campbell_st I know the answer A but no one won't confirm it..@nubeer Show step by step please.

  18. ramirokool
    • 3 years ago
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    @nubeer show me step by step I know it A

  19. ramirokool
    • 3 years ago
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    @jiteshmeghwal9 I GOT IT A

  20. ramirokool
    • 3 years ago
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    YESSSSSSSSSSSS LORD

  21. nubeer
    • 3 years ago
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    ya its A

  22. nubeer
    • 3 years ago
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    and it dont have any steps.. most step you need is done just find r and subsitute it.

  23. Shadowys
    • 3 years ago
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    Sorry bout that. I see you've got it. :)

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