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IceJOKER [234]
3 years ago
12

Please I really need help

Mathematics
1 answer:
san4es73 [151]3 years ago
4 0

Answer:

its probably 2.0 or 0.2

Step-by-step explanation: x√=x−2

I really hope this helps i'm not that smart with this....


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Numărul cu 289 mai mic decât 812
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Answer:

The number is 523

Step-by-step explanation:

<u><em>The question is English is</em></u>

Number 289 less than 812

Let

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2.
Gekata [30.6K]

Answer: the system has no solution.

Step-by-step explanation:

\displaystyle\\

\left \{ {{x^2y=16\ \ \ \ \ (1)} \atop {x^2+4y+16=0\ \ \ \ \ (2)}} \right. .\\

Multiply\  both\  sides\  of\  the\  equation\ (2)\   by\  y\  (y\neq 0):\\

x^2y+4y^2+16y=0\\

We\  substitute\  equation\  (1)\  into\  equation\  (2):\\

16+4y^2+16y=0\\

4y^2+16y+16=0\\

4*(y^2+4y+4)=0\\

4*(y^2+2*y*2+2^2)=0\\

4*(y+2)^2=0\\

Divide\  both\  sides\  of\  the \ equation\  by\  4:\\

(y+2)^2=0\\

(y+2)*(y+2)=0\\

So,\ y+2=0\\

y=-2.\\

\displaystyle\\We\  substitute\  the\  value\  of\  y\  into\  equation\  (1):\\x^2*(-2)=16\\Divide\  both\  sides\  of\  the \ equation\  by\  -2:\\x^2=-8\\x^2\geq 0\\ Hence,\ the\ system\ has\ no\ solution.

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Answer:

It is a Quadralateral

Step-by-step explanation:

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