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21 is what percent of 42
answered
Jul 31, 2018
Mathematics
middle-school
4
votes
174k
views
A wrestling match has eliminations each round. The table below shows the number of wrestlers in each of the first 4 rounds of the tournament: Round (x) 1 2 3 4 Wrestlers f(x) 64 32 18 9 Compute the average
answered
Jun 2, 2018
Mathematics
college
1
vote
135k
views
Solve for x: one over eight(8x + 15) = 24
answered
Jan 17, 2018
Mathematics
middle-school
1
vote
153k
views
How many grams of barium chloride are there in 0.200 moles
answered
Aug 18, 2017
Mathematics
high-school
1
vote
106k
views
Where does the energy from the nuclear reaction go?
answered
Jul 1, 2017
Chemistry
high-school
2
votes
76.5k
views
List at least two chemical reactions that resulted in a white precipitate. For these reactions, list the possible chemical name of the precipitate. What do these reactions (and the others with white precipitates)
answered
May 2, 2017
Chemistry
high-school
3
votes
30.7k
views
For diffusion to occur, which condition must be met?
answered
Jan 11, 2017
Biology
high-school
5
votes
121k
views
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