You buy five books that are equal in
price and a DVD for $8. Your tal
comes to $26.50. Write...
Mathematics, 16.12.2020 07:00 litwork5885
You buy five books that are equal in
price and a DVD for $8. Your tal
comes to $26.50. Write an equation
that would help you determine the cost
of one book.
Answers: 1
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
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Explain how the quotient of powers was used to simplify this expression.
Answers: 1
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