Smith Frank
09/08/2024 · Senior High School
The height of a wave in California varies directly with the seconds that pass by. At 4 seconds, the wave is 6 feet high. Find the constant of variation.
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Step-by-step Solution
To find the constant of variation for the height of the wave, we can use the formula for direct variation, which is:
\[
h = k \cdot t
\]
where:
- \( h \) is the height of the wave,
- \( t \) is the time in seconds,
- \( k \) is the constant of variation.
From the information given, we know that at \( t = 4 \) seconds, the height \( h = 6 \) feet. We can substitute these values into the equation to find \( k \):
\[
6 = k \cdot 4
\]
To solve for \( k \), divide both sides by 4:
\[
k = \frac{6}{4} = \frac{3}{2}
\]
Thus, the constant of variation \( k \) is \( \frac{3}{2} \).
Quick Answer
The constant of variation is \( \frac{3}{2} \).
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