VARIATION PHRASES
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- Using k as the constant of variation, write the equation of the variation of the following variation phrases.
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1. The circumference (C) of a circle varies directly as the diameter (d).
2. The area (A) of a triangle varies jointly as the base (b) and the height (h).
3. The pitch (P) of a stretched vibrating string varies directly as the square of the tension (t) and inversely as the length of the string (s).
4. The perimeter (P) of a square is directly proportional to the length of its sides (s).
5. The number of hours (H) required to do a job varies inversely as the number of people (P) working together.
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Verified answer
Using k as the constant of variation, write the equation of the variation of the following variation phrases.