20-03-2017
Mathematics

contestada

How many cones of radius 1 m and height 1 m have total volume equal to the volume of a sphere with a radius 1m?

Respuesta :

apologiabiology apologiabiology

20-03-2017

Vcone=1/3(hpir^2)
Vsphere=(4/3)pir^3

evaluate
vcone=1/3(1pi1^2)=pi/3
vsphere=4/3pi1^3=4pi/3

pi/3 times what=4pi/3
times both sides by 3
pi times what=4pi
divide both sides by pi
1 times what=4
what=4

4 cones

Answer Link

Otras preguntas

can anyone help me on #8 ? inverse variation or direct variation? and is #9 right I belive it is

Which point lies on the graph of 3x+2y=7x-5? A.(-1,4.5) B.(1,0.5) C.(1,7) D.(3,3.5)

how would you solve a problem like 2/7r + 3=1/7? I

what is 1.8r+9=-5.7r-6

Need help with finding the nth term in quadratic equations! Could you please solve this example and tell me how you got to it? Thank you! Here is an example seq

Expand (c-2d)⁵ Please explain how can one expands it?

A graph shows distance on the vertical axis and time on the horizontal axis. If the speed is steadily increasing, what will the line representing speed look lik

what is the answer is 5p -8=1+ 5p -9

the earth exerts a force of 1.00 newtons on an object in free fall. what is the objects mass?

what is 89 divided by 21?