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The square of a positive number is 49. What is the number?
Let x = the number. The sentence that is , "The square of a positive number is 49," translates to the equation x2 = 49. Take the square root of every side to obtain x2 = 49 so x = 7 or -7. Since you are looking for a positive number and the ?nal solution is 7.
How can I submit a sample of my work in either teaching online or checking homework as I am retired and doing this for the first time?
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