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Ilya [14]
2 years ago
14

A quantity p varies jointly with r and s. Which expression represents the constant of variation, k?

Mathematics
2 answers:
natima [27]2 years ago
6 0

Answer:

k=\frac{p}{rs}

Second option is correct.

Step-by-step explanation:

We have been given that p varies jointly with r and s.

Thus, we can write it mathematically as

p=krs

Here, k is the constant of variation.

Now, we have to find the value of k.

Divide the above equation by rs

\frac{p}{rs}=\frac{krs}{rs}\\\\k=\frac{p}{rs}

Hence, the value of k is k=\frac{p}{rs}

Second option is correct.

Zina [86]2 years ago
3 0

The correct answer is p/rs.

In order to find this first state the direct variation with the constant k included.

p = krs

Now to find the value of k, we simply divide away the r and s

p/rs = k

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