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19-11-2018
Mathematics

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50 point if u due right plzzz

50 point if u due right plzzz class=

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wegnerkolmp2741o wegnerkolmp2741o

19-11-2018

The diagonals of a square bisect one another and are perpendicular.

so 21x+ 16.5 = 90

subtract 16.5 from each side

21x = 73.5

divide by 21 on each side

21x/21 = 73.5 /21

x = 3.5

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