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Simplification of complex fractions.  TOPIC_SOLVED

This is my attempt at simplification below: \frac{(8^x)(8^{3x})}{(2^{3x})(4^{x+2})} = \frac{8^{4x}}{(2^{3x})(2^{2x})(2^4)} = \frac{2^{12x}}{(2^{3x})(2^{2x})(2^4)} = (2^{12x})(2^{-3x})(2^{-2x})(...
by Ian
on Tue Feb 25, 2014 8:21 am
 
Forum: Intermediate Algebra
Topic: Simplification of complex fractions.
Replies: 2
Views: 1031

Re: Simplification of complex fractions.  TOPIC_SOLVED

Voilà! I completely (ashamedly) missed that. Thanks.
by Ian
on Tue Feb 25, 2014 2:52 pm
 
Forum: Intermediate Algebra
Topic: Simplification of complex fractions.
Replies: 2
Views: 1031

Compound Interest

My calculations below are not included on the list of possible answers. John borrowed money from Stan. He has to pay Stan R500 three months from now and R930 five months from now. Stan charges him an interest rate of 20% per annum, compounded monthly. John decides to pay Stan back what he owes him t...
by Ian
on Tue May 13, 2014 6:20 pm
 
Forum: Pre-Algebra
Topic: Compound Interest
Replies: 3
Views: 904

Re: Compound Interest

I copied the text verbatim from the textbook. I'm aware of all the possible "real life" variables that may form part of the equation, but in this instance I suppose it's a bit more elementary. I'm really just hoping someone can tell me whether I'm wrong or right in my calculation.
by Ian
on Tue May 13, 2014 9:53 pm
 
Forum: Pre-Algebra
Topic: Compound Interest
Replies: 3
Views: 904

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