document.write( "Question 754678: Find the arithmetic mean Asub(n) of Asub(n+1)=9/4.
\n" ); document.write( "A. 83/56
\n" ); document.write( "B. 5/4
\n" ); document.write( "C. 83/28
\n" ); document.write( "D. 7/4\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance
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Algebra.Com's Answer #459279 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"a%28sub+%28n%2B1%29%29=+1%2B+%281%2Fa%28sub+n%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"a%28sub+%28n%29%29=a%28sub+%28n%2B1%29%29-+1\"\r
\n" ); document.write( "\n" ); document.write( "\"a%28sub%28+n%29%29=9%2F4-+1\"\r
\n" ); document.write( "\n" ); document.write( "\"a%28sub+%28n%29%29=9%2F4-+4%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"a%28sub%28+n%29%29=5%2F4\"\r
\n" ); document.write( "\n" ); document.write( "so, answer is B. \"5%2F4\"
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