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    Trig Competition-Ahmed vs. Marwa

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    The Banker
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 6:07 pm

    ahmed, r u gonna solve this? Rolling Eyes
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 8:42 pm

    Yes I am.

    But one question only.


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 8:44 pm

    i want u to solve b
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 8:51 pm

    Can't you give me questions that don't have pictures?


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 8:54 pm

    yes, but i don't feel like it.. Razz
    want the answer for part a so u can do part b?
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 8:56 pm

    Rolling Eyes

    a5=(10)(3)^4

    810 Rolling Eyes


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 8:58 pm

    i have noooooooo idea what u just said.. so i'll take that as a "yes i want part a so i can do part b" Razz

    a)2.401
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 8:59 pm

    How'd you get that?


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 9:08 pm

    u want how high it would bounce after the 4th bounce
    so u want the 5th term.
    knowing that a (the first term) =10 (given in the Q)
    and r (the common difference) = 7/10

    sooo u plug into the first formula.. 10*(7/10)^5-1
    =
    2.401
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:13 pm

    Isn't the common diff. 3?


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 9:17 pm

    no, its a geometric series.. so u multiply by the common difference rather than subtract/add
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:22 pm

    OH! Right...I can't believe I forgot >.<

    I still want a Q with new pic Rolling Eyes


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by GunMan on Fri May 14, 2010 9:25 pm

    i think it would be better for the sake of the forum for this discussion to be done by PM,

    who agrees with me?


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:27 pm

    Why would it be better? We are educating you people for FREE!


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 9:27 pm

    i want u to do this Q.... its got some thinking in it....
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by GunMan on Fri May 14, 2010 9:29 pm

    I just read the first post, and then typed here.


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:29 pm

    Lol Rolling Eyes

    Pictures aren't allowed Very Happy


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 9:30 pm

    ahmed, do it!! or i'm taking that as a pass...
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:31 pm

    The picture isn't loading...can't do it Very Happy


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by GunMan on Fri May 14, 2010 9:40 pm

    Marwa wrote:ahmed, do it!! or i'm taking that as a pass...
    It's ok, just take it as a pass.


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:41 pm

    She's talking to me lol.


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 9:43 pm

    click>> http://imgur.com/S2rdc.jpg

    or

    this>> http://www.peterstone.name/Maplepgs/images/Bouncing_ball_animation.gif


    i ain't letting u off ahmed Razz
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    Re: Trig Competition-Ahmed vs. Marwa

    Post by Ahmed on Fri May 14, 2010 9:48 pm

    The links are forbidden. slanty


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by GunMan on Fri May 14, 2010 9:49 pm

    Ahmed IV wrote:She's talking to me lol.

    She said Ahmed


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    Re: Trig Competition-Ahmed vs. Marwa

    Post by The Banker on Fri May 14, 2010 9:51 pm

    http://www.google.co.uk/images?um=1&hl=en&rlz=1G1GGLQ_ENUK372&tbs=isch:1&sa=1&q=geometric+series,+ball+bouncing&aq=f&aqi=&aql=&oq=&gs_rfai=

    the second one on the second row...
    Rolling Eyes

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