Mathematics, 01.04.2020 19:39, PastelHibiscus
5 plates and 4 cups cost 30.90 dollars. 6 plates and 5 cups cost 37.50 dollars. Each plate costs the same amount as the other plates, and each cup costs the same amount as the other cups. What is the cost of 1 plate? What is the cost of 1 cup?
Answers: 2
Mathematics, 21.06.2019 19:20, cody665
1- 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.2- 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 the first question?
Answers: 2
5 plates and 4 cups cost 30.90 dollars. 6 plates and 5 cups cost 37.50 dollars. Each plate costs the...
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