wilkeslatoyia35 wilkeslatoyia35

25-11-2020
Mathematics

contestada

1) The width of a rectangle is 6 meters less than its length. The area is 315 square meters. Find the length of the
rectangle

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chloelevardi chloelevardi

25-11-2020

Answer:21

Step-by-step explanation:

x=length

x(x-6)=315

x^2-6x=315

x^2-6x-315=0

(x-21)(x+15)

x=21, x=-15

x cannot be negative so the only answer is 21

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