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liq [111]
3 years ago
10

HELP! LOOK AT THE PHOTO

Mathematics
2 answers:
Dafna11 [192]3 years ago
6 0

Answer:

The answer to the question provided is 30.

Step-by-step explanation:

5x - 80 + 2x + 50 = 180 \\ 7x - 30 = 180 \\  \frac{ \:  \:  \:  \:  \:  \:  + 30 =  + 30}{ \frac{7x}{7}  =  \frac{210}{7} }  \\ x = 30

[I apologize if the answer to the question is inaccurate]

trapecia [35]3 years ago
4 0

Answer: 30

Step-by-step explanation:

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h = \frac{-40}{2 \cdot 4}=\frac{-40}{8}=-5 \\ \\ k = 96 -\frac{40^2}{4 \cdot 4} =96-\frac{1600}{16} =96-100=-4 \\ \\ y = 4(x - (-5) )^2 + (-5)=4(x +5 )^2 -5


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