3 years ago

Draw graph and answer please.

Mathematics

1 answer:

kakasveta [241]3 years ago

4 0

answer: (2,1) hope this helps

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110

55x2=110 birds

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Step-by-step explanation:

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Step-by-step explanation:

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barxatty [35]

Answer:

$\large\boxed{-\dfrac{1}{3}-\dfrac{\sqrt{14}}{3}i,\ -\dfrac{1}{3}+\dfrac{\sqrt{14}}{3}i}$

Step-by-step explanation:

Use

$ax^2+bx+c=0\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

$3x^2+2x+5=0\\\\a=3,\ b=2,\ c=5\\\\b^2-4ac=2^2-4(3)(5)=4-60=-56\\\\\sqrt{b^2-4ac}=\sqrt{-56}=\sqrt{(4)(-14)}=\sqrt4\cdot\sqrt{-14}=2\sqrt{-14}$

Use

$i=\sqrt{-1}$

$\sqrt{-14}=\sqrt{(-1)(14)}=\sqrt{-1}\cdot\sqrt{14}=i\sqrt{14}$

Therefore:

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