document.write( "Question 292927: if B is the midpoint of A and C. If BC=3x2, and AC=54, find the value of x. Show all work to receive credit \n" ); document.write( "
Algebra.Com's Answer #211499 by richwmiller(17219)\"\" \"About 
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bc=1/2 ac
\n" ); document.write( "3x^2=54/2
\n" ); document.write( "3x^2=27
\n" ); document.write( "x^2=9
\n" ); document.write( "x=3
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