November 30, 2015

Homework Help: Math

Posted by Grace on Sunday, August 5, 2012 at 8:59pm.

1)If a (theres a square)b is defined as the average of a and b, what is the value of 2 (theres a square) 4 (theres a square) 9?

a) 3
c) 6
e) 18

2)If A=(r+s)F, what is the average of r and s when A=8 and F=2?

3) For the three numbers a,j,k, (a<j<k),the arithmetic mean is median and k is three times as large as j,What is the value of a/j?

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