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OfflineBreakfast Crew
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I need a math genius.
    #12509580 - 05/05/10 09:00 AM (13 years, 10 months ago)

Okay so there is a 3d box with an open top.

Length = H
Width = X
Base = X

The volume of the box is 1000in^3

Equation 1 is to solve for H.

V(1000) = hx^2

Which is H = 1000/x correct?

Equation 2 is to find the SURFACE AREA and assume the box has an open top.

A = Hx^4 + XX, does this seem right?

I am then suppose to substitute the first equation into the second.

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Invisibleplasma
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Posts: 10,001
Re: I need a math genius. [Re: Breakfast Crew]
    #12509583 - 05/05/10 09:01 AM (13 years, 10 months ago)

Don't ask me

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OfflineBreakfast Crew
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Re: I need a math genius. [Re: plasma]
    #12509586 - 05/05/10 09:01 AM (13 years, 10 months ago)

Quote:

plasma said:
Don't ask me




:lol: okay anyone other than plasma

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Offlinemongo lloyd
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Re: I need a math genius. [Re: Breakfast Crew]
    #12509604 - 05/05/10 09:08 AM (13 years, 10 months ago)

:coaster:


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OfflineD.B. Cooper
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Re: I need a math genius. [Re: Breakfast Crew]
    #12509610 - 05/05/10 09:09 AM (13 years, 10 months ago)

Looks like it.  If H=(1000/x^2) the second equation would be A=(1000/x^2)x^4+xx.  Not exactly sure if that's right but it's gotta be close.


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It is amazing that we live in a society that judges us by what we consume rather than what we create.

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OfflineMhmOyster
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Re: I need a math genius. [Re: mongo lloyd]
    #12509615 - 05/05/10 09:11 AM (13 years, 10 months ago)

A box has 6 sides.

If you are checking the surface area of a box, you are checking all 6 sides.

I see a times 4 in your equation.

However, I also see that it is an open box. That would make it times 5.

HOWEVER, an open box also has 5 surfaces on the INSIDE as well as the OUTSIDE. 10 surfaces.

I'm not helping you with the answer though - you are probably doing it for some form of schooling, which means you should seek help from a tutor because you are not grasping concepts you should be able to.

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OfflineBreakfast Crew
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Re: I need a math genius. [Re: D.B. Cooper]
    #12509617 - 05/05/10 09:12 AM (13 years, 10 months ago)

Technical mathmatics 111, no tutor will harbor me.

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OfflineCoaster
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Re: I need a math genius. [Re: Breakfast Crew]
    #12509619 - 05/05/10 09:12 AM (13 years, 10 months ago)

Quote:

Breakfast Crew said:
Okay so there is a 3d box with an open top.

Length = H
Width = X
Base = X

The volume of the box is 1000in^3




the dimensions your labeling are a little convoluted it should be writted more like this even though its the same concept

Hieght = H
Width = X
Length = X

Volume=1000 cubic units
V=X2H
1000=X2H
H=1000/X2

Assuming your Teacher wants just the outside surface area then

Surface Area=4(area of side)+(are of base)
Surface Area=4(HX)+X2

if your teach wanted the area of all the surfaces including the inside surfaces then you would have to sum 8(HX) with 2(X2)

now substituting in H we obtain

Surface Area=4((1000/X2)X)+X2
Surface Area=4((1000/X)+X2
Surface Area=4000/X+X2
Surface Area=4000/X+X3/X
Surface Area=(4000+X3)/X
:coaster:QED


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Offlinescoredon
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Re: I need a math genius. [Re: Breakfast Crew]
    #12509622 - 05/05/10 09:14 AM (13 years, 10 months ago)

Quote:

Which is H = 1000/x correct?



H=1000/(X^2)

Surface area = 2LW + 2(L+W)H

2X^2+2(2X)H for surface area
2X^2+4XH simplified
2X^2+4XH-(XH) for missing side
2X^2+3XH simplified

Then Just put H in it yeah?

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Offlinemongo lloyd
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Re: I need a math genius. [Re: Coaster]
    #12509625 - 05/05/10 09:14 AM (13 years, 10 months ago)

Your maths just got :coaster:'d


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OfflineBreakfast Crew
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Re: I need a math genius. [Re: mongo lloyd]
    #12509697 - 05/05/10 09:38 AM (13 years, 10 months ago)

Surface Area=4((1000/X2)X)+X2 - Yup
Surface Area=4((1000/X)+X2 - K...
Surface Area=4000/X+X2 - right-o
Surface Area=4000/X+X3/X - wat
Surface Area=(4000+X3)/X - lolwut

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OfflineMoronicus
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Re: I need a math genius. [Re: Breakfast Crew]
    #12509698 - 05/05/10 09:39 AM (13 years, 10 months ago)

Someone, help me do percentages for I am a complete moron when it comes to them :sad:


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BACON RANCH, FUCK YEAH


A post about m00nshine

Anonymous #6 said:
Yes, it is. The shine stands for his job title, which is Shoe Shiner, the moon stands for the time he comes out to be a nigger, which is best suited for the negroid camouflage.

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OfflineBreakfast Crew
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Re: I need a math genius. [Re: Moronicus]
    #12509733 - 05/05/10 09:48 AM (13 years, 10 months ago)

I give up, the equations aren't quite right... Thanks for your time and help anyway.

-To anyone going in the field of engineering, fuck it.

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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,258
Re: I need a math genius. [Re: Breakfast Crew]
    #12510087 - 05/05/10 11:09 AM (13 years, 10 months ago)

Yea, this is quite a ways away from the math needed for engineering.  :undecided:

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Invisiblealexithymia
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Re: I need a math genius. *DELETED* [Re: Breakfast Crew]
    #12510107 - 05/05/10 11:12 AM (13 years, 10 months ago)

Post deleted by alexithymia

Reason for deletion: xyz


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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,258
Re: I need a math genius. [Re: alexithymia]
    #12510115 - 05/05/10 11:14 AM (13 years, 10 months ago)

Quote:

I'm a 3rd year civil engineering student.... so yeah.




yeah?

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OfflineCoaster
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Re: I need a math genius. [Re: Moronicus]
    #12510325 - 05/05/10 11:53 AM (13 years, 10 months ago)

Quote:

Moronicus said:
Someone, help me do percentages for I am a complete moron when it comes to them :sad:



yo bro im here for u ask aaway  :coaster:


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InvisibleOrgoneConclusion
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Re: I need a math genius. [Re: Coaster]
    #12510384 - 05/05/10 12:09 PM (13 years, 10 months ago)

You certainly qualify as a meth genius.


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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,258
Re: I need a math genius. [Re: OrgoneConclusion]
    #12510407 - 05/05/10 12:15 PM (13 years, 10 months ago)

Im a meth genius.  Its only one letter off, so ask away.

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InvisibleOrgoneConclusion
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Re: I need a math genius. [Re: DieCommie]
    #12510632 - 05/05/10 12:58 PM (13 years, 10 months ago)

Dear MG:

How do I cook up a bathtub full of meth in a shower stall?

Confused in Idaho


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