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How can we describe relationships among variables in these formulas?. C = k*r D = r*t t = d/r BMI formula. If y is directly proportional to x, and y = -61 when x = 27, find y if x = 13. (Round off your answer to the nearest hundredth.). - PowerPoint PPT Presentation
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C = k*r
D = r*t
t = d/r
BMI formula
How can we describe relationships among variables in these formulas?
If y is directly proportional to x, and y = -61 when x = 27, find y if x = 13. (Round off your answer to the nearest hundredth.)
If y is inversely proportional to x, and y = -68 when x = 20, find y if x = 22. (Round off your answer to the nearest hundredth.)
1.z is jointly proportional to x2 and y3. If z = 123 when x = 3, find z when x = 7 and y = 7. (Round off your answer to the nearest hundredth.)
2.z varies directly as the square root of x and inversely as the square of y. If z = 247 when x = 49 and y = 3, find z if x = 9 and y = 4. (Round off your answer to the nearest hundredth.)
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