mimjola mimjola

15-10-2016
Mathematics

contestada

If XZ=50, what are XY and YZ
XY=a
YZ=a+8
Can someone help me ASAP..IM SO CONFUSED

Respuesta :

apologiabiology apologiabiology

15-10-2016

this is a number line

from X to Z, the legnth is 50
Y is between X and Z
therefor
XZ=XY+YZ
50=a+a+8
50=2a+8
minus 8 from both sides
42=2a
divide both sides by 2
21=a
a+8=29

XY=21
YZ=29
see diagram below

Ver imagen apologiabiology

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