A Cross-Section of an Irrigation Canal Is a Parabola

question 173

Multiple Choice

A cross-section of an irrigation canal is a parabola. If the surface of the water is 33 ft wide and the canal is 5 ft deep at the center, how deep is it 1 ft from the edge?

• A) 0.3 ft
• B) 0.6 ft
• C) 4.7 ft
• D) 4.4 ft

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Replacement Rate

In economics, the ratio of a person's retirement income to their pre-retirement income, often focused on social security benefits.

Populations

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The entire quantity of a good or service that all consumers in a market are willing and able to purchase at a given price over a specific time period.

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