Recent content by Autious

Thanks for your help Mark. I guess this thread was more about basic algebra and a lack of understanding when it comes to multiplying radicals more than anything else.

Thanks for your help so far Mark. I'm not quite sure i see what you mean, but I'm going to try to clarify my thought in the hopes of reaching a solution. What i did in my attempt show above is that i only used the initial values of h and r to solve for the volume and get a slightly simpler...

Homework Statement A cone has the base radius of 8 cm and height of 10 cm. The height of the cone is changing at at a rate of 1cm/hour whilst radius of the base is changing with it keeping the volume constant. At what rate is the surface area of the entire cone changing at this exact...