document.write( "Question 118330: if a varies directly as band a=16 when b=-8, what is b when a=4 \n" ); document.write( "
Algebra.Com's Answer #86444 by stanbon(75887)\"\" \"About 
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if a varies directly as b
\n" ); document.write( "a = kb
\n" ); document.write( "--------------\r
\n" ); document.write( "\n" ); document.write( "and a=16 when b=-8
\n" ); document.write( "16 = k*-8
\n" ); document.write( "k = -2
\n" ); document.write( "-----------------\r
\n" ); document.write( "\n" ); document.write( " what is b when a=4
\n" ); document.write( "EQUATION:
\n" ); document.write( "Since a = -2b,
\n" ); document.write( "4 = -2b
\n" ); document.write( "b = -2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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