beatriz233
beatriz233 beatriz233
  • 06-12-2018
  • Mathematics
contestada

I need help on this.

I need help on this class=

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alancheng1256
alancheng1256 alancheng1256
  • 06-12-2018

Using a certain formula (I forgot what its called), we know y^2=16x4=64, therefore y=8.

Using the Pythagorean Theorem, 4^2+8^2=16+64=80, and the square root of 80 is 4√5

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