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How many protons does the element cobalt (Co) have?
asked
Nov 2, 2017
Chemistry
high-school
1
answer
1
vote
59.4k
views
Nine fewer than half a number is five more than four times the number. Define the variable, write an equation, and solve to find the number.
asked
Dec 25, 2015
Mathematics
middle-school
1
answer
5
votes
130k
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