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BieberJustin
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what is the perimeter and lenght of a rectangle if area=515.97 and width=18.9 ....???
 one year ago
 one year ago
BieberJustin Group Title
what is the perimeter and lenght of a rectangle if area=515.97 and width=18.9 ....???
 one year ago
 one year ago

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Decart Group TitleBest ResponseYou've already chosen the best response.2
2widths and 2lenghts give perimeter. and length times width is area you have to unkowns in two equations solve for one then substitute
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
\[2l+2w=perimeter\]
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
\[lw=area(515.97)\]
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
substitute 18.9 for w and solve for l in the second equation
 one year ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
how do i get the lenght??
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
what do you get
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
in the second equation lenght times width equalls area subtitute 18.9 then solve for l by dividing both sides of the equation by w
 one year ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
is it right?? i get 27.3 for the leght... can you please check it if it is right... :d
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
now substitute l and w in the first equation to get the perimeter.
 one year ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
so what is the p??
 one year ago

BieberJustin Group TitleBest ResponseYou've already chosen the best response.1
thanks!
 one year ago

Decart Group TitleBest ResponseYou've already chosen the best response.2
2l+2w=perimeter
 one year ago
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