Friday

April 18, 2014

April 18, 2014

Posted by **kgosi** on Thursday, April 25, 2013 at 11:09am.

- math -
**Steve**, Thursday, April 25, 2013 at 11:16amif the ends have side x, and the tank has height h,

x^2 h = 16

2x^2 + 4xh = 40

2x^2 + 4x(16/x^2) = 40

x^2 + 32/x = 20

x^3 - 20x + 32 = 0

(x-2)(x^2+2x-16) = 0

so, if x=2, the tank is 2x2x4

**Related Questions**

math-optimal diameterand height - A cylindrical oil-storage tank is to be ...

geometry - A cylindrical tank is being constructed to hold 10,000 ft^3 of water...

lagrange multipliers - A cylindrical oil-storage tank is to be constructed for ...

the lagrange multiplier equation - A cylindrical oil-storage tank is to be ...

Re post water in tanks problem - A./_\ B.\_/ C.|_| The three tanks shown above ...

Physics - A./_\ B.\_/ C.|_| The three tanks shown above are filled with water to...

science - a large fiberglass tank was placed in a pit, before pipes could be ...

solid mensuration - Find the volume of water in the horizontal tank if it is 7/...

Math - Please HELP Tank A contains four times as much as Tank B. Tank C contains...

math - A tank was 3/5 filled with water. After removing 120 litres of water from...