Mathematics, 12.10.2019 16:30 angeline2004
If 21 is added to a number the result is 40 less than twice the number what is the number?
Answers: 3
Mathematics, 21.06.2019 19:30
If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b
Answers: 1
Mathematics, 21.06.2019 19:30
The measure of an angle is 117°. what is the measure of a supplementary angle?
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If 21 is added to a number the result is 40 less than twice the number what is the number?...
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