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Mathematics 21 Online
OpenStudy (anonymous):

A(t) = a(1 + r)t. What does the a, r, and t stand for?

OpenStudy (anonymous):

hm...

OpenStudy (anonymous):

do you have choices???

OpenStudy (anonymous):

P is the principal, r is the annual rate of interest, and A is the amount after t years.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

So in the question, what would be each letter? Sales of a new tablet grow by 10% every month. Sales for this month are at 5 thousand. Write an equation to represent this situation and then approximate the sales 6 months from now.

OpenStudy (anonymous):

well maybe he is right lolz usulaay letters in math are variables lol o.o

OpenStudy (anonymous):

he/she

OpenStudy (anonymous):

HE! lol That's just a standard account question.

OpenStudy (anonymous):

a stands for like 6 months r stands for 5000 t stands for 10%???

OpenStudy (anonymous):

a is the principle r annual rate of interest t is time A is the amount after t years.

OpenStudy (anonymous):

So there is a difference between the a and A??

OpenStudy (anonymous):

Yes, it's good to pick up on all those details. I think you've got it now

OpenStudy (anonymous):

I still don't really understand. Was I right on any of the ones I said?

OpenStudy (anonymous):

Well, 6 months would be categorized as time, annual rate of interest would most likely be 10%, and $5000 would be the principle. Since principle is the amount of money borrowed or invested.

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