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Solve the following system of equations by linear combination: 3d – e = 7 d + e = 5
answered
Jan 19, 2018
Mathematics
high-school
3
votes
132k
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A certain microscope is able to magnify an object up to 100,000 times its original size. In scientific notation, 100,000 is _____.
answered
Aug 20, 2017
Mathematics
high-school
2
votes
49.8k
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What is the summary of the article, Spiders: In Pursuit of Prey?
answered
Jan 18, 2017
English
middle-school
4
votes
104k
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19 The coefficients in a balanced chemical equation represent(l ) the mass ratios of the substances in the reaction(2) the mole ratios of the substances in the reaction(3) the total number of electrons
answered
Feb 3, 2016
Chemistry
high-school
1
vote
84.4k
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