wyatpickens09 wyatpickens09
  • 11-07-2016
  • Mathematics
contestada


Find the height of a right circular cone whose radius is 5 cm and volume is 100π cm3.

4 cm

12 cm

30 cm

Respuesta :

dalendrk
dalendrk dalendrk
  • 16-07-2016
[tex]V=\dfrac{1}{3}\pi r^2H\\\\V=100\pi\ cm^3;\ r=5\ cm\\\\subtitute\\\\\dfrac{1}{3}\pi\cdot5^2\cdot H=100\pi\ \ \ |divide\ both\ sides\ by\ \pi\\\\\dfrac{1}{3}\cdot25H=100\ \ \ |multiply\ both\ sides\ by\ 3\\\\25H=300\ \ \ \ |divide\ both\ sides\ by\ 25\\\\\boxed{H=12\ (cm)}[/tex]
Answer Link

Otras preguntas

The scale on a map is 1:25 000 (a) On a map, a distance measures 5cm. What is this in real life? Give your answer in kilometres. (b) In real life a distance is
where do you come from ? ......................​
f=((-1,1),(1,-2),(3,-4)) g=((5,0),(-3,4),(1,1),(-4,1)) find (f/g)(1)
If it were possible to shine a flashlight from the outer edge of our galaxy, how long would it take for that beam of light to travel through the galactic web of
Cho hai biến cố xung khắc và B, sao cho ( ≠ 0), ( ≠ 0). Hỏi A và B có độc lập không?
Pls help need this done hurry
what are the spectrum of sustainable development​
How do I stop getting emails from Brainly? I used to use it but now I don’t, and the emails they constantly send are really annoying me.
What is the meaning of the foreign expression in bold? The neighborhood association has appointed an ad hoc committee just to assess interest in an off-leash do
define office resources​