Mathematics, 19.03.2021 19:30 igtguith
Haddasah and Devon went shopping together. Haddasah bought 6 oranges and 5 lemons for $5.67. Devon bought 3 oranges and 7 lemons for $4.32. Their purchases can be modeled by a system of equations.
A. Write a system of equations that represents this situation. Define the variables.
B. Solve the system of equations algebraically for the variables defined in Part A. Explain how you solved the system of equations.
Tell what each numerical solution represents in terms of the context.
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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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Haddasah and Devon went shopping together. Haddasah bought 6 oranges and 5 lemons for $5.67. Devon b...
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