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Mathematics 46 Online
OpenStudy (anonymous):

the area of a rectangle is 65 ft ^2, and the length of the rectangle is 3 ft less than twice the width. find the dimensions of the rectangle

OpenStudy (anonymous):

\[ A=lw=(w-3)w \]

OpenStudy (anonymous):

Also \(A=65\)

OpenStudy (anonymous):

So the equation is\[ 65=(w-3)w \]

OpenStudy (anonymous):

@ashleynicolee Can you solve for \(w\)?

OpenStudy (anonymous):

i got -6.70

OpenStudy (anonymous):

@wio

OpenStudy (anonymous):

There are two solutions for \(w\), but we know that \(w\) must be positive.

OpenStudy (anonymous):

9.70

OpenStudy (anonymous):

Correct.

OpenStudy (anonymous):

Try to come up with the equation on your own next time

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