document.write( "Question 389835: w varies jointly as x and y and inversely as z. if w = 112 when x = 4 and y = 8 and z = 0.2, find w when x = 8, y = 10 and z = 4 (show your solution) \n" ); document.write( "
Algebra.Com's Answer #276370 by mananth(16946)\"\" \"About 
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w varies jointly as x and y and inversely as z. if w = 112 when x = 4 and y = 8 and z = 0.2, find w when x = 8, y = 10 and z = 4 (show your solution)
\n" ); document.write( "...
\n" ); document.write( "\"w%28alpha%29%28xy%2Fz%29\"
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\n" ); document.write( "\"w=k%28xy%2Fz%29\"
\n" ); document.write( "...
\n" ); document.write( "w = 112 when x = 4 and y = 8 and z = 0.2
\n" ); document.write( "\"w=k%28xy%2Fz%29\"
\n" ); document.write( "\"112=k%284%2A8%2F0.2%29\"
\n" ); document.write( "\"112=k%28160%29\"
\n" ); document.write( "k=112/160
\n" ); document.write( "k=7/10
\n" ); document.write( "...
\n" ); document.write( "find w when x = 8, y = 10 and z = 4, k= 7/10
\n" ); document.write( "\"w=k%28xy%2Fz%29\"
\n" ); document.write( "\"w=%287%2F10%29%2A%288%2A10%2F4%29\"
\n" ); document.write( "w=14
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\n" ); document.write( "m.ananth@hotmail.ca
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