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math80.sample quiz3

# math80.sample quiz3 - a lbs and b lbs respectively How much...

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wostner: averages: exercise set 3 Calculator practice and problem solving. 1. Calculate the geometric mean of 45 and 320 Answer: 120.00 2. Calculate the geometric mean of 45, 320, and 15. Answer: 60.00 3. Calculate the geometric mean of 2, 4, and 8. Answer: 4.00 4. Calculate the geometric mean of 10, 20, 30 and 40. Answer: 22.13 5. You weigh a fish on a scale that is not balanced. When you put the fish on the left, it takes 98 lbs on the other side to balance the scale. When you put the fish on the right, it takes 72 lbs on the other side to balance the scale. Set up an equation and solve it. Answer: The fish weighs 84 lbs. 6. Same as last problem, but assume you needed

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Unformatted text preview: a lbs, and b lbs, respectively. How much does the fish really weigh? Set up an equation and solve. Answer: The fish weighs √ab lbs. 7. You have a rectangle with dimensions 50 × 128 feet. You want to make a square with the same area as the rectangle. How long would the side of that square be? Answer: The side of the square: 80.00 ft. 8. Same question for a rectangle that dimensions a × b ft. 9. You have a box with dimensions 10 × 20 × 30 ft. You want to make a cube with the same volume as that box. How long would the side of that cube be? Answer: The side of the cube: 18.17 ft....
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math80.sample quiz3 - a lbs and b lbs respectively How much...

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