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Mathematics 7 Online
OpenStudy (anonymous):

Using the expression 0.45t^2+25.2t+352.8,find the total income of all Hispanic families in the United States in 2012. Will the answer be 720?

OpenStudy (anonymous):

What does t equal?

OpenStudy (anonymous):

I believe t=12, or the year

OpenStudy (anonymous):

Yes it's 720 just plug in 12 for t

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

Your welcome

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