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Howard University *

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009

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Mechanical Engineering

Date

Apr 3, 2024

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jpeg

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1

Uploaded by BaronWaterBuffalo14850

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Kuta Software - Infinite Algebra | Using Statistical Models Name Date Period 1) The oyster population of the Chesapeake Bay has been in decline for over 100 years. This can be expressed by the equation y =41.6 - 0.969" where x is the number of years since 1900 and y is the amount of oysters harvested in metric tons. Oysters (metric tons) WA >unE| 20 40 60 80 Years since 1900 What does the y-intercept of this function represent? The amount of oysters harvested in 1900 2) The Hurricane Hunters took the following measurements from a hurricane over several days as it developed: Air Pressure (kPa)|Wind Speed (knots) 924 126 946 104 956 93.5 967 84.9 991 444 1,003 30.6 They found that the air pressure and wind speed are related in the following way: y=-1.24x + 1270 where x is the air pressure in millibars (kPa) and y is the maximum sustained wind speed in knots (nautical miles per hour). 140 —— T 120! i; 1 | |- | Wind Speed (knots) T ______ i1 1 920 960 1000 Air Pressure (kPa) a) Using the model, what would be the wind speed of a hurricane with an air pressure of 980 kPa? Round your answer to the nearest knot. 55 knots b) According to the model, a hurricane with an air pressure of 891 kPa would have what wind speed? Round your answer to the nearest knot. 165 knots ¢) The model indicates that a wind speed of 110 knots is associated with what air pressure? Round your answer to the nearest millibar. 935 kPa
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