Mathematics, 21.07.2019 23:10 tylermdons
The variable z is directly proportional to x, and inversely proportional to y. when x is 16 and y is 5, z has the value 16. what is the value of z when x= 21, and y= 14 round to at least the thousandths place if needed.
Answers: 1
← k is the constant of proportionality
= 
= 5
← equation of proportionality
= 7.5
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The variable z is directly proportional to x, and inversely proportional to y. when x is 16 and y is...
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