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Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
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Mathematics, 21.06.2019 22:30
Collin did the work to see if 10 is a solution to the equation r/4=2.4
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What is -4/5 + 4/5 = ?...
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