The area of a rectangle is 27 square feet. The length is 6 feet longer than the width.
2 answers:
The answer is 9 ft because if you subtract 6 from 9 you get 3 then when you multiply 9*3 you get 27 ft. I hoped this helped you!!
Hello :
x : the width y : The length y<span>>x
xy = 27...(1)
y= x+6...(2)
subst in (1) : x(x+6) = 27
x² +6x -27 =0
</span><span>Δ = 6²-4(1)(-27) =144= 12²
x1= (-6-12)/2 </span>< 0 refused ( x>0 )
x2= (-6+12)/2 =3
in (2) : y = 3+6 = 9
The length is : 9 feet
the width is : 3 feet
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