Ammarah
  • Ammarah
Given CB/BA = DE/EF, find BA.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Hero
  • Hero
Hint: BA/CB = EF/DE
Ammarah
  • Ammarah
no i need help on anothe rquestion
Ammarah
  • Ammarah
not this one

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Ammarah
  • Ammarah
2/a-4=3/9
Ammarah
  • Ammarah
You need to solve the porportion.
Hero
  • Hero
No I do not. You need to solve it. It is not hard. All you have to do is cross multiply.
Ammarah
  • Ammarah
i did.
Ammarah
  • Ammarah
|dw:1354844110291:dw|
Ammarah
  • Ammarah
I this right?
Hero
  • Hero
18 = 3(a - 4) 18 = 3a - 12 18 + 12 = 3a 30 = 3a 30/3 = a 10 = a
Ammarah
  • Ammarah
thats what i did...

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