Mathematics, 02.02.2020 19:52 gtrsoccer
The variable z is directly proportional to x, and inversely proportional to y. when x is 7 and y is 7, z has the value 2. what is the value of z when x= 10, and y= 12
Answers: 1
← k is the constant of proportionality
= 
= 2
← equation of proportionality
= 
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