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10 November, 19:46

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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  1. 10 November, 21:27
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    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
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