document.write( "Question 436239: If y varies jointly as x and z and y = 12 when x = 2 and z = 3, find y when x = - 3 and z = 0.5.\r
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Algebra.Com's Answer #301817 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "If y varies jointly as x and z and y = 12 when x = 2 and z = 3,
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document.write( "   y = kxz where k is th econstant of proportionality
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document.write( "  12 = k*2*3
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document.write( "  12/6 = k = 2
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document.write( "find y when x = - 3 and z = 0.5.
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document.write( "    y = 2xz
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document.write( "    y = 2*-3*.5 = -3 when x = -3 and z = .5 of 1/2 \n" );
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