s746705 s746705
  • 14-06-2017
  • Mathematics
contestada

What is the value of y?
answer choices are:
3√3
6√3
9√3
12√3

What is the value of y answer choices are 33 63 93 123 class=
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daviskyesha16 daviskyesha16
  • 14-06-2017
A. Is your answer But i think ion know
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mjankiewicz
mjankiewicz mjankiewicz
  • 14-06-2017
Pythagoras's theorem

[tex]y^2+6^2=|MN|^2[/tex] , y > 0

[tex]y^2+36=(9+3)^2 \\\\ y^2+36=144 \\\\ y^2=144 - 36 \\\\ y^2=108 \\\\ y=\sqrt{108}=\sqrt{36 \times 3} \\\\ y=6\sqrt3[/tex]


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