Answered

Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Two cylinders are equal in volume.  The radiusof one is doubled, and the height of the other cylinder s increased to k times its original height.  If the two new cylinders are equal in volume, what is the value of k?

Sagot :

luana
[tex]first\ cylinder:\\ radius-2r_1\\ height-h_1\\\\ second\ cylinder:\\ radius-r_1\\ height-k*h_1\\\\ Volume_1=Volume_2\\ \pi (2r_1)^2*h_1= \pi r_1^2*k*h_1\ \ \ \ |divide\ by\ h_1* \pi \\ 4r_1^2=k*r_1^2\ \ \ |divide\ by\ r_1^2\\ k=4[/tex]