Seudónimo Seudónimo

12-10-2016
Mathematics

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The product of my number and twice my number is 72

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Аноним Аноним

12-10-2016

the answer is to your question is six.

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AriesBabyy AriesBabyy

12-10-2016

product of my number and twice my number is 72. What is my number?
The answers given are: A)6 B)12 C)24 D)72
.
Let x = "my number"
then
x(2x) = 72
2x^2 = 72
x^2 = 36
x = 6

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