radomes.openskiesproject.org
rebeccadee
rebeccadee rebeccadee
  • 08-03-2015
  • Mathematics
Answered

If two similar cones have volumes of 320cm^3 and 1,080cm^3, find the scale factor.
A. 1/3
B. 2/3
C. 3/4
D. 7/8

Verified Answer :

naǫ
naǫ naǫ
  • 08-03-2015

The ratio of the volumes is equal to the scale factor cubed.

\(\frac{V_1}{V_2}=k^3 \\ \\ \frac{320 \ cm^3}{1080 \ cm^3}=k^3 \\ \frac{8}{27}=k^3 \\ k=\sqrt[3]{\frac{8}{27}} \\ \boxed{k=\frac{2}{3}} \Leftarrow \hbox{answer B}\)

Answer Link

Related Questions

Help me pleaseThanks
1 Peter the Great wanted to A westernize or Europeanize Russia B remove European influences C reduce the size of the army D share power with his nobles 2 The Ro
Part A Read an Excerpt from the Brandenburg Gate Speech This speech by President Ronald Reagan is also known as the Tear down this wall speech or the Berlin Wal
Using theory of mind explain why psychology is more than common sense Please provide research examples
A detailed threedimensional view of cell structure is provided by A light microscopy B transmission electron microscopy C scanning electron microscopy D all of
Duncan has the space to plant at most 24 flower bulbs in his garden Daffodil bulbs cost 3 each and tulip bulbs cost 2 each Duncan does not wish to spend more th
cos2a12sin2a for all values of a
Think about a global issueachieving world peace or eliminating hunger and povertyon which you can take a stand Write a persuasive essay in which you support you
the other one is for the two variable equation y 3x 4 find the matching y value when x 0
A scientist can explain how the brain recognizes odors True False