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    Math help :D

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    Redwan
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    Math help :D

    Post by Redwan on Tue May 10, 2011 5:34 pm

    Hey please help me with one of
    homeowrk quetsions.
    8th grader here.

    Determine the volume V of the parallelepiped D bounded by the planes
    y = 0, y = 3, x + y = 0, x + y = 2, 2x + y +3 z = 0 and 2x + y +3 z = 4.


    first: explain the question, then answer. also show steps


    Last edited by Redwan on Tue May 10, 2011 5:41 pm; edited 1 time in total
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    Doc
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    Re: Math help :D

    Post by Doc on Tue May 10, 2011 5:38 pm

    nigga that aint 8th grade gtfo
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    Ahmed
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    Re: Math help :D

    Post by Ahmed on Tue May 10, 2011 5:39 pm

    This is calculus you moron.

    We aren't going to teach you calculus. Wait for 4 more years then you'll learn it you nerd.


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    Re: Math help :D

    Post by Redwan on Tue May 10, 2011 5:40 pm

    w.e.
    but at least show me how u'd solve it.
    this is way to hard. Triple integral with Riemann's sum?! O_O


    i came here for help, and u guys telling me to gtfo
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    Ahmed
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    Re: Math help :D

    Post by Ahmed on Tue May 10, 2011 5:47 pm

    Sayf was rude, but keep in mind that he was kidding.

    Anyways, I don't want to go through unnecessary help.


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    Re: Math help :D

    Post by Doc on Tue May 10, 2011 5:48 pm

    no one here can teach u calc 3 buddy
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    The Banker
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    Re: Math help :D

    Post by The Banker on Tue May 10, 2011 5:48 pm

    i don't get ur q kiddo :S

    buh if u have an equation y=somfing.in.terms.of.x and u wanna find its volume about 360 degrees you do pi times the integral if y squared

    sorry for being so unhelpful Hilarious
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    Re: Math help :D

    Post by Ace on Tue May 10, 2011 5:49 pm

    ... What the heck is a parallelepiped?


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    Redwan
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    Re: Math help :D

    Post by Redwan on Tue May 10, 2011 5:54 pm

    i am asking you to show me how you'd solve it.
    i am not asking you to teach me calculus.
    don't to be rude or anything.
    plz help.

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    Re: Math help :D

    Post by Redwan on Tue May 10, 2011 5:55 pm

    btw a Parallelepiped is a 3d form of a parallelograms.
    all the faces are parallelograms.
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    Re: Math help :D

    Post by Ahmed on Tue May 10, 2011 5:58 pm

    This is freaking multi-variable calculus, which I myself didn't take yet. Redwan go play COD or something...


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    Re: Math help :D

    Post by Fangy on Tue May 10, 2011 6:01 pm

    Isn't that a polyhedron? :L

    Redwan
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    Re: Math help :D

    Post by Redwan on Tue May 10, 2011 6:03 pm

    fine, i am gonna surf the internet for answers. i g2g
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    The Banker
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    Re: Math help :D

    Post by The Banker on Tue May 10, 2011 6:42 pm

    Forget these noobs Redwan.. i did it without calculus which is probz the way ur teacher expects u to do it at this stage....

    u know volume of prism = area of base * height
    here the height is is the deapth which is the z axes ie, 4
    draw it out & it'll help Smile

    here is my working.. its a rough copy. Hope it helps!
    u'll have to click on "enlarge this image" to see it properly, lol

    Spoiler:

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    Ahmed
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    Re: Math help :D

    Post by Ahmed on Tue May 10, 2011 6:44 pm

    He's in freaking 8th grade. WTH are you talking about lamo? Hilarious He is in freaking Algebra, and will take geo next. LOL

    I know Redwan IRL, he is nerd...studies stuff that he won't need for the next 4 years and will retake it again anyways...


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    Coolmeia
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    Re: Math help :D

    Post by Coolmeia on Tue May 10, 2011 6:52 pm

    im only in algebra 1 and im in 7th grade and im 2 years ahead so theres no way in hell that you're in 8th grade....
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    Re: Math help :D

    Post by The Banker on Tue May 10, 2011 6:54 pm

    i'm saying its an 8th grade Q... its not calc 3

    u n Sayf assumed it was clac without actually reading the Q, or thinking about it..
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    Re: Math help :D

    Post by Coolmeia on Tue May 10, 2011 6:54 pm

    no way... thats not 8th grade. that looks smartical
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    Re: Math help :D

    Post by The Banker on Tue May 10, 2011 6:56 pm

    my bro can do it with a little help & he's in year 6 Rolling Eyes
    and maths isn't even his strong point...
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    Re: Math help :D

    Post by Ahmed on Tue May 10, 2011 6:56 pm

    Maybe it is possible without Cal. But what I do know is that this cannot be 8th grade question.


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    Re: Math help :D

    Post by Coolmeia on Tue May 10, 2011 6:58 pm

    i agree. im a year ahead of that i was like wtf???
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    Re: Math help :D

    Post by The Banker on Tue May 10, 2011 7:03 pm

    the only maths u gotta know is how to add up, areas of triangles, vol of a prism, plotting lines and a little logic
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    Re: Math help :D

    Post by Coolmeia on Tue May 10, 2011 7:13 pm

    but that long word that started with a p? i dont even know...
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    Re: Math help :D

    Post by Dark Flame99966 on Tue May 10, 2011 8:23 pm


    y = 0, y = 3
    wut


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    Re: Math help :D

    Post by Ahmed on Tue May 10, 2011 8:24 pm

    One of them is probably an x.


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