maddi634 maddi634

20-10-2018
Mathematics

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rewrite the rational expression with the given denominator for 7/20y = ?/40y^3

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wegnerkolmp2741o wegnerkolmp2741o

20-10-2018

7 ?

---- = ------

20 y 40 y^3

to get the denominators to match we need to multiply by 2y^2

what we do to the bottom we do to the top

7*2 y^2

14y^2

7 14y^2

---- = ------

20 y 40 y^3

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