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Mathematics, 21.06.2019 15:50, tylerwayneparks
(08.01)consider the following pair of equations: x + y = ā2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (ā4, 2) (4, 2) (ā2, 4) (2, 4)
Answers: 2
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Mathematics, 21.06.2019 18:00, dlaskey646
The swimming pool is open when the high temperature is higher than 20āc. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30āc on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
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Mathematics, 21.06.2019 19:20, alexcarrasco5903
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?
Answers: 3
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