- anonymous

The perimeter of the rectangle is fifty-four feet. What is x?
A rectangle is shown. The length is labeled fifteen feet and width is labeled x.
thirty-nine feet
twenty-seven feet
twenty-four feet
twelve feet

- schrodinger

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- anonymous

i need the picture to figure it out :|

- ParthKohli

The formula for the perimeter is \(P =2(\rm length + width)\).

- ParthKohli

Since the length is \(15\) and the width is \(x\), we have this equation:\[2(15 + x) = 54\]Solve for \(x\).

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## More answers

- anonymous

|dw:1357571093615:dw|

- anonymous

ok figure it out based on the info parth gave (unless you want me to explain more)

- anonymous

would you like more explanation?

- anonymous

Yes, please.

- ParthKohli

OK, so do you know that the perimeter is the sum of ALL sides?

- ParthKohli

Notice that opposite sides in a rectangle are equal.|dw:1357571260853:dw|

- ParthKohli

So the sum of sides will be \(15 + 15 + x + x\). But it is also given that the sum of all sides (perimeter) is \(54\).

- anonymous

Ok.

- ParthKohli

So solve the equation \(15 + 15 + x + x = 54\)?

- anonymous

I have to go study for exams for a few min, so let parth finish =3

- anonymous

You have to figure out what x is, right?

- ParthKohli

Yes! =)

- anonymous

OK so you divide 15 right?

- anonymous

I can't get on my study page o_o no don't divide by 15 subtract 15+15 from the perimeter and then divide by 2

- anonymous

that should be your answer

- anonymous

7.2?

- anonymous

no i think you did it wrong let me try

- anonymous

54-30=? then divide ? by 2 to get answer

- anonymous

11

- anonymous

o_o no, sorry but very close

- anonymous

12

- anonymous

yes :D

- anonymous

how did you get 11?

- anonymous

just wondering

- anonymous

22 divided by 2

- anonymous

ok then? whatever i wish you good luck on your hw or whatever it is your doing

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