Don was asked to write an equation and solve this probl
a group of eight friends bought ticket...
Mathematics, 08.01.2020 04:31 svlext
Don was asked to write an equation and solve this probl
a group of eight friends bought tickets to an amusement park and spent $134 total. how much did each ticket cost?
don's work is shown below.
Answers: 1
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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?
Answers: 3
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X+ 4y − z = −14 5x + 6y + 3z = 4 −2x + 7y + 2z = −17
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