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r-ruslan [8.4K]
3 years ago
10

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

quation represents the situation?
Mathematics
1 answer:
Murrr4er [49]3 years ago
4 0
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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Can someone explain step by step how to do this. Thanks
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Hi there! The answer is k = 16

To find our answer we only need to collect the terms. In other words: we need to subtract all the values of k.

Example:
18k - 11k = 7k

If you don't get this, you can try to understand it by using a story: in a cage, there are 18 koalas, 11 of them leave. How many are left?

18 koalas - 11 koalas = 7 koalas
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Now we keep doing this again and again to find our final answer:

18k - 11k - 4k - 2k = 16 \\ 7k - 4k - 2k = 16 \\ 3k - 2k = 16  \\ 1k = 16 \\ k = 16

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olganol [36]

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3 years ago
Complete each congruence statement by naming the corresponding angle or side (odd questions only)
Oksi-84 [34.3K]

Given:

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Solution:

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Therefore, the complete statement is \overline{IH}\cong \overline{PI}.

3.

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