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arrange the following sound waves according to speed from the slowest to the fastest: The sound waves in steel,The sound waves in cold air, The sound waves in water, and The sound waves in hot air.
asked
Oct 7, 2017
Physics
high-school
2
answers
3
votes
222k
views
Write a proportion for the phrase and solve it: 9 pounds for $5.85; 20 pounds for d dollars
asked
May 26, 2017
Mathematics
middle-school
2
answers
4
votes
26.7k
views
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