Big Accomplishment of the Day

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71 Replies - 3212 Views - Last Post: 19 June 2009 - 07:22 PM

#1 NeoTifa  Icon User is offline

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Big Accomplishment of the Day

Posted 29 May 2009 - 07:14 AM

This is mine *swoons* First try too.

The question:

Consider t he following problem: A box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners adn bending up the sides. Find the largest volume that such a box can have.

a.) Draw several diagrams to illustrate the situation, some short boxes with large bases adn some tall boxes with small bases. Find the volumes of several such boxes. Does it appear that there is a maximum volume? If so, estimate it.

I didn't do this. I'm lazy. I'm sure the grader will see my diagrams and right ending answer and be mesmorized by my awesomeness and wont even notice that I didn't do this shit.

b.) Draw a diagram illustrating the general situation. Introduce notation and label the diagram with your symbols.

c.) Write an expression for the volume.

I think I stopped labeling at this point too. :\

d.) Use the given information to write an equation that relates the variables.

e.) Use part (d) to write the volume as a function of one variable.

f.) Finish solving the problem and compare the answer with your estimate in part (a).

Oh shit....








EDIT: .... only to be annihilated by problem 14 ;____;

This post has been edited by NeoTifa: 29 May 2009 - 07:52 AM


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#2 Servatis  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 08:05 AM

If I were a teacher I wouldn't ba able to make anything out of this solution :P good thing i'm not a teacher then.

and I haven't done this kind of math in a while :)

I always learned to explain my equation otherwise I get points deducted but i gues

Quote

I'm lazy.
explains that part :P
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#3 mostyfriedman  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 08:15 AM

today sux big ass to me...i got my mom telling everyone that i have problems and everyone's talking to me and gimme lame speeches..am sick of it
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#4 AdamSpeight2008  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 08:31 AM

v=x(3-(2x)^2)
v=x(4x^2-12x+9)
v=4x^3-12x^2+9x

Find Maximum of v where 0<x<1.5.
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#5 NeoTifa  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 08:52 AM

I hate you.
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#6 OliveOyl3471  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 10:15 AM

Accomplishment of the day so far: I'm out of bed.

Looks like you didn't get much more accomplished than that either.
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#7 Nikhil_07n  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 10:38 AM

View PostNeoTifa, on 29 May, 2009 - 06:44 PM, said:

This is mine *swoons* First try too.

The question:

Consider t he following problem: A box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners adn bending up the sides. Find the largest volume that such a box can have.

a.) Draw several diagrams to illustrate the situation, some short boxes with large bases adn some tall boxes with small bases. Find the volumes of several such boxes. Does it appear that there is a maximum volume? If so, estimate it.

I didn't do this. I'm lazy. I'm sure the grader will see my diagrams and right ending answer and be mesmorized by my awesomeness and wont even notice that I didn't do this shit.

b.) Draw a diagram illustrating the general situation. Introduce notation and label the diagram with your symbols.

c.) Write an expression for the volume.

I think I stopped labeling at this point too. :\

d.) Use the given information to write an equation that relates the variables.

e.) Use part (d) to write the volume as a function of one variable.

f.) Finish solving the problem and compare the answer with your estimate in part (a).

Oh shit....








EDIT: .... only to be annihilated by problem 14 ;____;


This is one elementary problem of derivatives.. Too easy.

I've seen tougher ones. bah.. :v:
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#8 BenignDesign  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 11:57 AM

um.. accomplishments thus far today:

1. Dog pee'd OUTSIDE. Yay, puppy!
2. Showered/dressed.
3. .... um... I'm gonna go pick up my paycheck in an hour.... which means sometimes I actually work! w00t!

I iz acheever!
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#9 Amadeus  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 12:09 PM

View PostBenignDesign, on 29 May, 2009 - 01:57 PM, said:

um.. accomplishments thus far today:

1. Dog pee'd OUTSIDE. Yay, puppy!

All well and good, but that's not really YOUR accomplishment, is it?
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#10 P4L  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 12:24 PM

My achievement for the day....pissing off just about everyone I know...how's that catch your fancy?
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#11 no2pencil  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 12:54 PM

View PostBenignDesign, on 29 May, 2009 - 12:57 PM, said:

2. Showered/dressed.


Watched B9 Shower...
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#12 macosxnerd101  Icon User is online

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 01:28 PM

I got awards for the following:

-Honorable Mention in Science Fair (CS category)

-Top 1% on Financial Literacy Test for Personal Finance (only 16, test was nation wide, average score: 52%, my score: 94%)

-Top 5% on PSAT

-Got 92.6 A on Geometry Test I didn't study for (my teacher is a PhD in Math, so even if it would be a normally easy course my teacher is good at making it harder than it needs to be.)

-My web design group for school really pleased our clients (non-profit) with our site!!!!!!!!!

-My Idiot Programming Teacher Turned to Me To Double Check His Work!!!!!! (and then admitted he just learned the new material)!!!!!!!!!!!!!!!!!!!
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#13 NeoTifa  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 05:21 PM

Oh, Nikhil! That was not nice! Optimization problems are hard! I'm only in calc 1!!!
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#14 DaneAU  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 07:31 PM

Well so far today it was building an internal wall at my sisters house :)
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#15 Nikhil_07n  Icon User is offline

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Re: Big Accomplishment of the Day

Posted 29 May 2009 - 07:37 PM

View PostNeoTifa, on 30 May, 2009 - 04:51 AM, said:

Oh, Nikhil! That was not nice! Optimization problems are hard! I'm only in calc 1!!!


Sorry for the rudeness but I'm still in high school.

by the way, what's 'calc 1' ???? I guess you are talking about some kind of semester... right?
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