amhalloween amhalloween

28-03-2018
Mathematics

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The length of a garden is 5m greater than the width. the area is 66m^2. Find the dimensions of the garden.

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zrh2sfo zrh2sfo

28-03-2018

w^2+5w-66=0
Factor
(w+11)(w-6)=0

w+11=0
w=-11 (not possible - cant have negative length

w-6=0
w=6

L(6)=66
L=11

Width = 6
Length = 11

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