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Mathematics 20 Online
OpenStudy (kenttopia2015):

The depth of a lake, d, varies directly with ,r, the amount of rainfall last month. if k is the constant of variation, what is your equation?

OpenStudy (kenttopia2015):

correct me if i am wrong but i believe the equation will be d=kr

OpenStudy (kenttopia2015):

oh wait

OpenStudy (kenttopia2015):

no becasue k is the constant so maybe d=r/k?

OpenStudy (kenttopia2015):

because*

OpenStudy (mjdennis):

"y varies directly as x" means that when x increases, y increases by the same factor (Example: x goes up by 10% so y would also go upby10%) Which of your equations matches that?

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