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Combine the like terms to make a simpler expression: 5k (-2k)-(-1)
answered
Aug 6, 2017
Mathematics
high-school
5
votes
58.8k
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Which of the following equations is balanced correctly? A. 3 H2O → H2 + 3 O2 B. 2 C3H3 + O2 → 2 CO2 + H2O C. 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O D. Cl2 + 2 KBr → KCl + Br2
answered
May 2, 2017
Chemistry
high-school
3
votes
117k
views
The role of enzymes in a human
answered
Feb 6, 2017
Biology
high-school
4
votes
181k
views
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