# Hmwk096-8-4 - Math 096 Homework NAME Section 8.4 1 9 11 13...

This preview shows pages 1–2. Sign up to view the full content.

Homework NAME____________________________ Cotter Section 8.4 : # 1, 9, 11, 13, 21, 23, 35, 39, 45, 47, 49, 51, 53 If y varies directly as x, find the constant of variation and the variation equation. 1. y = 4 when x = 20. k = __________________ Equation: _________________________ 9. The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of two inches weighs 1.20 pounds. Find the weight of a ball of the same material with a 3-inch radius. weight = _____________________ If y varies inversely as x, find the constant of variation and the variation equation. 13. y = 6 when x = 5. k = __________________ Equation: _________________________ 23. If the voltage in an electrical circuit is held constant, the current I is inversely proportional to the resistance R . If the current is 40 amps when the resistance is 270 ohms, find the current when the resistance is 150 ohms. I

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 2

Hmwk096-8-4 - Math 096 Homework NAME Section 8.4 1 9 11 13...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online