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zhenek [66]
3 years ago
12

Please help me thank u

Mathematics
1 answer:
Assoli18 [71]3 years ago
3 0

Answer:

my  step sister just did this it is c

Step-by-step explanation:

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Solve for x: 2x^2+4x-16+=0
ella [17]
2x^2+4x-16=0|:2\\
x^2+2x-8=0\\
\Delta=36\Rightarrow\sqrt{\Delta}=6\\
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You What mass of makes up 70 percent of all planetary mass in the solar system
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