chole12356 chole12356

30-09-2015
Mathematics

Answered

A group of 169 students to be seated in a square formation for a yearbook photo. Solve the equation 169=s^2 to find how many students should be in each row.

Verified Answer :

30-09-2015

\(s^2 = 169\\s^2 = 13^2\\\\ \sqrt{s^2} = \sqrt{13^2} \\\\s = 13\)

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30-09-2015

\(169 = s^2\\13\times 13 = s^2\\13\times 13 = s \times s \\\\s = 13\)

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