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Mathematics 20 Online
OpenStudy (mathsucks321):

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OpenStudy (welshfella):

Calculate the cost of the machine after 1 , 2 and 3 years;- after 1 year C(x) = 800*0.95 = 760 2 = 800*(0.95)^2 = 722 - a difference of $38 for the second year can you calculate C(x) for 3 and 4 years?

OpenStudy (welshfella):

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