anonymous
  • anonymous
Find the length of AB A. 2 B. 6 C. 21 D. 31
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Find the length of AB A.2 B.6 C.21 D.31
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anonymous
  • anonymous
I will give a medal! Please please help
welshfella
  • welshfella
the 2 lots of 3 line segments are in the same proportion ' so 6/7.5 = 2x / (2x + 1) solve this for x then plug in this value of x to get the 3 segments on left side add them up to get length of AB

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More answers

anonymous
  • anonymous
x=2
anonymous
  • anonymous
so how do i plug this in
welshfella
  • welshfella
|dw:1438184218791:dw|
anonymous
  • anonymous
yes that's what i did
welshfella
  • welshfella
x = 2 is correct well bottom segment = 2x = 2 *2 = 4
welshfella
  • welshfella
do the same with 2x + 1 and 6x
anonymous
  • anonymous
what's the bottom segment i'm really confused and i have limited time to answer :(
welshfella
  • welshfella
the one on left side at bottom 2x
anonymous
  • anonymous
so can you draw me how to plug in x=2
anonymous
  • anonymous
cause i'm honestly confused
welshfella
  • welshfella
|dw:1438184392654:dw|
welshfella
  • welshfella
= 2*2 = 4
anonymous
  • anonymous
so that's 4
welshfella
  • welshfella
|dw:1438184432164:dw|
welshfella
  • welshfella
yes and 5 is next one uup and the top one = 6*2
anonymous
  • anonymous
okay and the 6(2) which is 12
anonymous
  • anonymous
so the answer is 21
welshfella
  • welshfella
right

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