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xmelodymusic

  • 3 years ago

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  1. meera_yadav
    • 3 years ago
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    hii , the top three levels have 4, 10, 16 blocks this implies the as you go down the pyramid you add 6 more blocks ! its like a A.P series , i.e. you add 6 more to each level ! 4, 10 , 16,............... for total number of blocks used you simply find the sum of the A.P series |dw:1340951554821:dw|

  2. xmelodymusic
    • 3 years ago
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    Thanks!!

  3. meera_yadav
    • 3 years ago
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    your welcom:) hope you got the answer :)

  4. meera_yadav
    • 3 years ago
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    let me know if you need further clarifications :)

  5. xmelodymusic
    • 3 years ago
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    Thank you very much! Would you mind helping me with two other questions? :))

  6. meera_yadav
    • 3 years ago
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    what are they? let me know !

  7. xmelodymusic
    • 3 years ago
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    What is the sum of the geometric sequence 8, –16, 32 … if there are 15 terms

  8. xmelodymusic
    • 3 years ago
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    and What is the sum of a 6-term geometric sequence if the first term is 11, the last term is –11,264 and the common ratio is –4?

  9. xmelodymusic
    • 3 years ago
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    :D Thanks in advance.

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