Sunday

August 31, 2014

August 31, 2014

Posted by **John** on Sunday, March 24, 2013 at 12:49pm.

- Math- Calculus -
**Anonymous**, Sunday, March 24, 2013 at 1:06pmFind the compound interest and the compound amount of the following #2ooo at 4/2 % compounded annually for 7yr

- Math- Calculus -
**Steve**, Sunday, March 24, 2013 at 1:35pmsince pi r^2 h = 500, h = 500/(pi r^2)

the cost function is

c = 40 * 2pi r h + 2*50*pi r^2

= 80 pi r (500/(pi r^2)) + 100 pi r^2

= 40000/r + 100 pi r^2

dc/dr = 200 pi r - 40000/r^2

= 200 (pi r^3 - 200)/r^2

dc/dr = 0 when pi r^3 = 200

**Related Questions**

Applied Calculus - In deciding whether o r not to setup a new manufacturing ...

calculus - A manufacturer wishes to produce the most economical packaging for ...

calculus - In your new job as a strategic planner at BusCalcInc, you have been ...

calculus - A cylindrical can is to be made to hold 100cm cubic.The material for...

College algebra - a company finds it can produce 15 heaters for $4300, while ...

pre calculus - if the cost to to produce 100 cups of coffee is 11.02, while the ...

chemistry - how many grams of NaC1 would you dissolve in water to make a total ...

Economics - Could you please check these thanks. Directions: Supply can decrease...

Algebra - The RideEm Bicycles factory can produce 140 bicycles in a day at a ...

economics - # You produce shoes. Currently you produce 4 pairs of shoes at a ...