Verified answer

VARIATION PHRASES

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• using k as the constant 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)

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