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The length of a rectangle is 4 cm longer than its width. find its width given its area is 24cm2.
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The length of a rectangle is 4 cm longer than its width. find its width given its area is 24cm2.

User Loaf
by
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1 Answer

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l= 4+w
l * w = 24
(4+w) * w =24
4w+w^2-24 = 0
(1) w=3.29
(2) w=-7.29 (reject)
=> The width is 3.29
User JanBorup
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