26-09-2017
Mathematics

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The height (in inches) of a plant after t days is 1/2 t + 6. About how many days is the plant 21 inches tall?

The height in inches of a plant after t days is 12 t 6 About how many days is the plant 21 inches tall class=

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SaltyBeef SaltyBeef

26-09-2017

3 days should be it if i'm right, which I am

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jly2001 jly2001

26-09-2017

It will be 21 inches tall in 30 days. 1/2(30)=15+6 = 21

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