document.write( "Question 853255: Robin bought a computer for $1,250. It will depreciate, or decrease in value, by 10% each year that she owns it.\r
\n" ); document.write( "\n" ); document.write( "a). Is the sequence formed by the value at the beginning of each year arithmetic, geometric, or neither? Explain.
\n" ); document.write( "b). Write an explicit formula to represent the sequence.
\n" ); document.write( "c). Find the value of the computer at the beginning of the 6th year.
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Algebra.Com's Answer #513970 by richwmiller(17219)\"\" \"About 
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a)geometric
\n" ); document.write( "ratio = .9
\n" ); document.write( "b)
\n" ); document.write( "Tn = t * r^(n - 1)
\n" ); document.write( "Tn = 1250 * .9^(n - 1)
\n" ); document.write( "c)Tn = 1250 * .9^(5)
\n" ); document.write( "Tn = 738.113 after 6 years
\n" ); document.write( "n = 820.125 after 5 years
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