Archive for the ‘learning volume’ Category

How to find the volume of a coin.?

Thursday, February 4th, 2010

A Coin dealer offers to sell you an ancient gold coin that is 2.2 cm in diameter and 3.0 mm in thickness. The density of gold is 19.3g/cm^3. How much should the coin weigh if it is pure gold? I believe I would start my conversion with 19.3g/cm^3 but wouldn't I ...

How to solve this calculus 3-dimensional volume problem?

Thursday, January 28th, 2010

If the area between the graphs of x^2 and x on the interval of [0,1] is rotated around the line y=1/2, what would be the volume of the resulting shape? Please show all of the steps to solve the problem so I can learn =) It is rather clear that the ...

How can I get sound back on my laptop??? my volume is on max - but no sound, I have winXP Please HELP!!!!!!!!!

Monday, January 18th, 2010

I watch a lot of internet television, especially channels from Poland as I am engaged to a polish woman and I would like to learn the language more, could this have something to do with the loss of sound on my laptop??? Step one: Download soundcard device drivers from your laptop ...

What are the ways you can measure volume?

Monday, January 18th, 2010

Science hw. Can anyone help i find it stupid we have 2 learn to measure in sciemce 2 when i doing th same thing math! well anyways help plz! What is the equations for them also? Drop a solid object into a cylinder of water and watch how much the water rises. ...

Finding the volume of a mug?

Thursday, December 24th, 2009

I was learning about volume in math today, and I was wondering which one of my coffee mugs held more coffee. My first mug had a diameter of 3.5inches, and a height of 4inches. The formula is pi x radius, squared x height. I'm not concerned about this one, but ...

A cylindrical can has prescribed surface area S. What dimensions for the can yield the maximum volume?

Sunday, November 22nd, 2009

please show me how to work this problem using tools you learn from Calculus 3 Let r be the radius of the base circle & h the height of the cylindrical can. Then 2pir^2+2pirh=S=> (pi=3.141592..., the can-cover is counted) h=[S/(2pir)-r]-----(1) The volume V of the cylindrical can is given by V=pir^2h=> V=pir^2[S/(2pir)-r] (from (1))=> V=rS/2-pir^3=> V'=S/2-3pir^2=>--(2) V"=-6pir-----------(3) V'=0=> r=sqrt(S/(6pi))------(4) from (3),(4),get V"(S/(6pi))<0=> (4) gives ...

I want to know the derivation of the volume of a pyramid without knowing calculus.?

Friday, November 20th, 2009

I'm currently learning algebra so I want something that is only going to involve prior knowledge. If youre just learning algebra then what do you even know about calculus to tell us "no calculus"? The volume of any pyramidal shape, including a cone... it doesnt matter what the shape of the base ...

Increase the volume of a section of music?

Friday, November 13th, 2009

I want to make just the guitar part louder so i can learn a song by ear. right now it is hard to hear the part over the damn drummer. I don't have any special equipment (and can't afford to buy any at the moment) all i have is windows and a ...

Any good websites for learning geometry formulas?

Tuesday, November 10th, 2009

I want to learn the perimeter and area of different shapes, including those strange L shapes and other type shapes. Also, in geometry, what is volume? Please help. http://www.ecalc.com/math-help/worksheet/geometry/ There are worksheets available for other math subjects too if you want them.

what do ‘we’ learn about Miss Havisham in chapter VII in volume I of great expectations?

Saturday, November 7th, 2009

please help me.... i need some help NOW..... thank you all Great Expectations - Charles Dickens It appears that we find out very little about her, according to this summary. Summary: Chapter 6 Joe carries Pip home, and they finish their Christmas dinner; Pip sleepily heads to bed while Joe narrates the scene of ...