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How are both radio waves and microwaves used for methods of communication?
asked
Aug 25, 2017
Physics
middle-school
2
answers
1
vote
10.1k
views
You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5 How many coins are tails up? How many coins
asked
Aug 13, 2017
Mathematics
middle-school
1
answer
0
votes
117k
views
What is the change in temperature from -8°F to 14°F? 22°F -22°F -6°F 6°F
asked
Jan 15, 2017
Mathematics
high-school
1
answer
5
votes
44.9k
views
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