The depth of a lake, dd, varies directly with rr, the amount of rainfall last month. if kk is the constant of variation, which equation represents the situation?

Question

Jordyn Cortez

Mathematics

2 May, 08:39

The depth of a lake, dd, varies directly with rr, the amount of rainfall last month. if kk is the constant of variation, which equation represents the situation?

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Answers (1)

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Julio Zhang · Answer 1

Given that the depth varies directly with amount of rainfall, then we shall have:

let d be the depth and r be the rainfall amount

dαr

thus

d=kr

where, k is the constant of proportionality, thus the formula will be:

d=kr