Mathematics, 25.07.2019 15:00 HighSchool97654
Fx + y is rational, must x and y each be rational? a) yes; because the sum of rationals is rational. b) no; because the sum of irrationals is always irrational. c) no; because x and y could be additive inverses of each other. d) yes; because x and y must be integers, and integers are rational.
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Can someone pls ! pls answer all. no explanation needed..
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Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.
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Fx + y is rational, must x and y each be rational? a) yes; because the sum of rationals is rationa...
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