1) AB/AC = 1/2
(3x-4)/(2x+12) =1/2
2(3x-4) = 1(2x+12)
6x - 8 = 2x +12
4x = 20 And x = 5
2) Prove AC/BC 2/3 ===== (2x+12)/(7x-2) = 2/3;
Plug in x = 5:
(10+12)/(35-2) = 22/33. Simplify numerator & denominator by 11
(2)(11)/(3)(11) = 2/3
The answer is NO SOLUTION
Answer:
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You didn't include any key information that could help solve this problem. What are the lengths of the books and both shelves?
Answer:
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