We can solve this equation by completing the square. Notice that 
and 
. Therefore, we can turn 
into 
. y, in this equation, only has one real solution: 4. So your answer would be (B).
What is an expression for 2 over 3 (4x +9).
1 answer:
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Answer:
BDC is half of mBC = 11°
Easily you see that C is A + BDC = 23°
Since C = 23° so mDC is twice = 46°
x
