Questions by Cosmo D

Questions by Cosmo D

Solve: nC6 = nC4 Need help, I don't want to expand. Is there a shortcut method?

asked Feb 22, 2018

1 answer

2 votes

224k views

sophia spent 6;247 rand on her trip. She exchanged the rand she had left for U.S dollars. The exchange rate was one rand to $0.14. How many U.S dollars did sophia get

asked Sep 12, 2017

1 answer

3 votes

67.8k views

Why is it necessary for the trachea to have rings of cartilage in its walls?

asked Feb 3, 2015

2 answers

0 votes

144k views

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