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Math help :D

+5
Ace
The Banker
Ahmed
Doc
Redwan
9 posters

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1Math help :D Empty Math help :D Tue May 10, 2011 5:34 pm

Redwan

avatar
NH Member
NH Member

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

2Math help :D Empty Re: Math help :D Tue May 10, 2011 5:38 pm

Doc

Doc
NH Member
NH Member

nigga that aint 8th grade gtfo

3Math help :D Empty Re: Math help :D Tue May 10, 2011 5:39 pm

Ahmed

Ahmed
NH Admin
NH Admin

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.

4Math help :D Empty Re: Math help :D Tue May 10, 2011 5:40 pm

Redwan

avatar
NH Member
NH Member

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

5Math help :D Empty Re: Math help :D Tue May 10, 2011 5:47 pm

Ahmed

Ahmed
NH Admin
NH Admin

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

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

6Math help :D Empty Re: Math help :D Tue May 10, 2011 5:48 pm

Doc

Doc
NH Member
NH Member

no one here can teach u calc 3 buddy

7Math help :D Empty Re: Math help :D Tue May 10, 2011 5:48 pm

The Banker

The Banker
NH Member
NH Member

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

8Math help :D Empty Re: Math help :D Tue May 10, 2011 5:49 pm

Ace

Ace
NH Noble Member
NH Noble Member

... What the heck is a parallelepiped?

9Math help :D Empty Re: Math help :D Tue May 10, 2011 5:54 pm

Redwan

avatar
NH Member
NH Member

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.

10Math help :D Empty Re: Math help :D Tue May 10, 2011 5:55 pm

Redwan

avatar
NH Member
NH Member

btw a Parallelepiped is a 3d form of a parallelograms.
all the faces are parallelograms.

11Math help :D Empty Re: Math help :D Tue May 10, 2011 5:58 pm

Ahmed

Ahmed
NH Admin
NH Admin

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

12Math help :D Empty Re: Math help :D Tue May 10, 2011 6:01 pm

Fangy

Fangy
NH Retired Moderator
NH Retired Moderator

Isn't that a polyhedron? :L

13Math help :D Empty Re: Math help :D Tue May 10, 2011 6:03 pm

Redwan

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NH Member
NH Member

fine, i am gonna surf the internet for answers. i g2g

14Math help :D Empty Re: Math help :D Tue May 10, 2011 6:42 pm

The Banker

The Banker
NH Member
NH Member

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:

15Math help :D Empty Re: Math help :D Tue May 10, 2011 6:44 pm

Ahmed

Ahmed
NH Admin
NH Admin

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...

16Math help :D Empty Re: Math help :D Tue May 10, 2011 6:52 pm

Coolmeia

Coolmeia
NH Member
NH Member

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....

17Math help :D Empty Re: Math help :D Tue May 10, 2011 6:54 pm

The Banker

The Banker
NH Member
NH Member

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..

18Math help :D Empty Re: Math help :D Tue May 10, 2011 6:54 pm

Coolmeia

Coolmeia
NH Member
NH Member

no way... thats not 8th grade. that looks smartical

19Math help :D Empty Re: Math help :D Tue May 10, 2011 6:56 pm

The Banker

The Banker
NH Member
NH Member

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

20Math help :D Empty Re: Math help :D Tue May 10, 2011 6:56 pm

Ahmed

Ahmed
NH Admin
NH Admin

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

21Math help :D Empty Re: Math help :D Tue May 10, 2011 6:58 pm

Coolmeia

Coolmeia
NH Member
NH Member

i agree. im a year ahead of that i was like wtf???

22Math help :D Empty Re: Math help :D Tue May 10, 2011 7:03 pm

The Banker

The Banker
NH Member
NH Member

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

23Math help :D Empty Re: Math help :D Tue May 10, 2011 7:13 pm

Coolmeia

Coolmeia
NH Member
NH Member

but that long word that started with a p? i dont even know...

24Math help :D Empty Re: Math help :D Tue May 10, 2011 8:23 pm

Dark Flame99966

Dark Flame99966
NH Member
NH Member


y = 0, y = 3
wut

25Math help :D Empty Re: Math help :D Tue May 10, 2011 8:24 pm

Ahmed

Ahmed
NH Admin
NH Admin

One of them is probably an x.

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