A rug has an area of 122. 12 ft.² the rug is 8.7 feet wide to the nearest hundredth how many feet long is the rug

1 answer:

5 0

Let x be the length of the rug
Area = length x width
122.12 = (x)(8.7)
x = 122.12/8.7
= 14.04 feet

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lilavasa [31]

Answer:

$\huge \boxed{ \boxed{ \tt 2xy(x + y)}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

<h3>tips and formulas:</h3>

<h3>let's solve:</h3>

$\sf \: use \: 2nd \: formula \: to \: simplify : \\ \sf(x + y {)}^{3} - (x + y)( {x}^{2} - xy + {y}^{2} )$
$\sf factor \: out \: (x + y) : \\ (x + y )\{(x + y)^{2} - ( {x}^{2} - xy + {y}^{2} \}$
$\sf simplify : \\ (x + y {)} \{ {x}^{2} + 2xy + {y}^{2} - {x}^{2} + xy - {y}^{2} \}$
$\sf collect \: and \: combine \: like \: terms : \\ (x + y) \{2xy \}$
$\sf \: rewrite : \\ 2xy(x + y)$