Mathematics, 17.09.2019 06:00 zalayjahan4793
Every year, approximately 25,000,000 kg of hair is cut in the u. s. each kg of hair contains about 0.0002 kg of zinc, and each kg of zinc is worth about 4 dollars. how many dollars worth of zinc is contained in the hair cut in the u. s. annually?
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Mathematics, 21.06.2019 18:00
Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia
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Mathematics, 21.06.2019 18:00
Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?
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Mathematics, 21.06.2019 19:00
To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36
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Every year, approximately 25,000,000 kg of hair is cut in the u. s. each kg of hair contains about 0...
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