A glacier that was 1,076 meters thick changed in thickness at an average rate of -22.7 meters per year for 7 years.
a)Write an addition expression you can use to find the glacier's thickness after 7 years.
b)Evaluate your expression.
Thank you for your help.

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10-12-2014
Mathematics

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A glacier that was 1,076 meters thick changed in thickness at an average rate of -22.7 meters per year for 7 years.
a)Write an addition expression you can use to find the glacier's thickness after 7 years.
b)Evaluate your expression.
Thank you for your help.

Sagot :

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maxpelic maxpelic · Answer 1 · 2014-12-10T14:52:33-05:00

maxpelic maxpelic

10-12-2014

1,076 (the original thickness) - 22.7 meters (loss per year) * 7 (lost 22.7 meters per year for seven years, so multiply the loss per year by the amount of years) = 917.1 (the size after 7 years)

A.K.A 1,076 - 22.7 * 7 = 917.1

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lenriqueoros lenriqueoros · Answer 2 · 2014-12-10T15:01:52-05:00

lenriqueoros lenriqueoros

10-12-2014

A) 1,076 - 22.7(7) is the expression :)

B) after 7 years it equals 917.1 m thick :)

Remember, Pemdas! :)

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