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z varies inversely with the product of x and y. when x=2 and y=4, z=0.5 what is the value of z when x=4 and y =9?
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z varies inversely with the product of x and y. when x=2 and y=4, z=0.5 what is the value of z when x=4 and y =9?

User Kalenda
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3 votes
The correct answer is 1/9 
User Vhd
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