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08-12-2016
Mathematics

contestada

If M is the midpoint of LN and LN=27.8 , find the length of MN.

A. 13.8
B. 13.9
C. 14.2
D. 14.5

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Аноним Аноним

08-12-2016

I hope this helps you

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sky1187 sky1187

08-12-2016

so we are missing a number. lets call it x
x which is mn +ml =the complete line which is 27.8(LN)
so we have x +x =27.8
2x = 27.8
divide both sides by 2
x= 13.9

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