Tuesday

July 22, 2014

July 22, 2014

Posted by **sonia** on Tuesday, September 6, 2011 at 11:40am.

- math -
**PsyDAG**, Tuesday, September 6, 2011 at 12:13pmMean = sum of scores/number of scores

70 = (73+86+x)/3

Solve for x.

**Related Questions**

math - If you earn the grades of 81, 84, 78, 80 in four tests what should your ...

Math - Harry has test grades of 85, 87, and 77 on his first three algebra tests...

math - If you earn the grades of 81, 84, 78, 80 in four tests what should your ...

math,correction - can someone correct this for me please. Statistics. Sam must ...

math correction - can someone correct this for me.or teach me if i'm wrong ...

algebra - Briana's second test score was 8 points higher than her first score. ...

Algebra II - If Peter received grades of 88,83,75,and 80 on four tests in ...

algebra II URGENT - if peter received grades of 88,83,75,and 80 on four tests in...

algebra - sasha needs to score at least 360 points on 4 tests to earn an A. on ...

math - A student has a mean score of 88 on five tests taken. What score must she...