3 years ago

X^2+y^2≤ 4y, x^2+y^2≤4x

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

7 0

Answer:

0 what is the question man what

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Express 100,000 as a power of 10

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10^5

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3 years ago

How many solutions does the system have? \begin{cases} 3x+y=8 \\\\ 2x+2y=8 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 3x+y=8 2x+2y=8 Choose 1

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Answer:

This system has one solution (x=2 and y=2), then the answer is A.

Step-by-step explanation:

The system of equations is:

$3x+y=8$ (1)

$2x+2y=8$ (2)

Let's multiply the first equation by 2 and subtract it to the second equation

$6x-2x+2y-2y=16-8$

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Using this value in (1) we can find y.

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$6+y=8$

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Therefore, this system has one solution (x=2 and y=2), the answer is A.

I hope it helps you!

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3 years ago