To determine the constant of proportionality and to write the equation for the relationship between the weight of the ferret and its length, we need to know either a specific weight-length pair or some values from the table you referred to.
However, I can guide you through the general process:
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Identify values from the table: If you have specific values for the weight (y) and length (x), note them down.
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Find the constant of proportionality (k): Since weight varies directly with length, we can express this relationship as: \[ y = kx \] To find k, rearrange it as: \[ k = \frac{y}{x} \] You can use any pair of values from the table.
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Write the equation: Once you've determined k, you can fill in the equation \[ y = kx \]
Please provide the specific values from the table for a more precise answer, or you can use the method above with the values you have.