SOLUTION: In which inequality is m = 10 a solution? 3m(m - 3) > 360 3m(m - 3) > 420 3m(m + 3) < 420 3m(m + 3) < 360

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Question 532706: In which inequality is m = 10 a solution?
3m(m - 3) > 360
3m(m - 3) > 420
3m(m + 3) < 420
3m(m + 3) < 360

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Number 3, +3m%2A%28m+%2B+3%29+%3C+420+
is correct. The rest are false.
proof:
+3%2A10%2A%2810+%2B+3%29+%3C+420+
+30%2A13+%3C+420+
+390+%3C+420+