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A lake near the Arctic Circle is covered by a thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a rate of 0.20meters per week. After 7 weeks, the sheet is only 2.42 meters thick.
 

Let y represent the ice sheet's thickness (in meters) after x weeks.

Complete the equation for the relationship between the thickness and the number of weeks.
 

y=?

 Jan 30, 2021

Best Answer 

 #1
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y = .2(7) + 2.42  - .2x

y  = 3.82 - .2x

 Jan 30, 2021
 #1
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Best Answer

y = .2(7) + 2.42  - .2x

y  = 3.82 - .2x

Guest Jan 30, 2021

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