anonymous
  • anonymous
The figure below shows CB = 8, BE = 12, AB = 3x – 1, and DB = 4x + 2. Triangle ABC is a right triangle with measure of angle ACB equal to 90 degrees. The measure of side CB is 8 and AB is 3 multiplied by x minus 1. D is a point on the left of C on BC extended. A point E is labeled on AB such that DE is perpendicular to AB. Measure of EB is 12 and DB is 4 multiplied by x plus 2 If △ABC ~ △DBE, the value of x is _________
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
@timo86m
anonymous
  • anonymous
set up a ratio :)

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anonymous
  • anonymous
i tried that! but I'm not sure if I'm on the right path :/
anonymous
  • anonymous
i did 12/3x-1= 8/4x+2
anonymous
  • anonymous
and ;)there is another
anonymous
  • anonymous
8/12
anonymous
  • anonymous
alright. I'm lost :(
anonymous
  • anonymous
8/12=(3x-1)/(4x+2)
anonymous
  • anonymous
small side / large size= hypotonuse of small side/ hypotonuse of large size
anonymous
  • anonymous
Oh! so just switch it around then solve..?
anonymous
  • anonymous
cross multiply :)
anonymous
  • anonymous
i got 2.67...?
anonymous
  • anonymous
lol try again :)
anonymous
  • anonymous
okay. so. 8x 4x+2 which is 3x+16
anonymous
  • anonymous
12 x 3x-1 which is 36-12
anonymous
  • anonymous
3x + 16 = 24
anonymous
  • anonymous
minus 16 on both sides
anonymous
  • anonymous
3x = 8
anonymous
  • anonymous
then the 2.67 :(
anonymous
  • anonymous
8/12 is 2/3 2/3 = (3*x-1)/(4*x+2) With me so far?
anonymous
  • anonymous
okay. so simplify the ratio
anonymous
  • anonymous
Yup :) 8/12=(3x-1)/(4x+2) 2/3 = (3*x-1)/(4*x+2) cuzz 8/12 is 2/3 2=3*(3x-1)/(4x+2) multiply both sides by 3 to have 2 by itself on the lhs(left hand side) with me stil :)
anonymous
  • anonymous
i got 7..?
anonymous
  • anonymous
Yes it was 7 LOL :)
anonymous
  • anonymous
WWWAAAHHHOOOOOO!
anonymous
  • anonymous
YYYAAAY! thank youu soo much :DD

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