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Mathematics, 25.02.2021 16:40 12335555cvusd
in 2010, the price of a laser printer was $1599. in 2018, the price of the same type of printer had dropped to $579. find the percent of decrease. round to the nearest percent
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1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?
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in 2010, the price of a laser printer was $1599. in 2018, the price of the same type of printer had...
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