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Alex73 [517]
3 years ago
12

PLEASE HURRY!! 20 PTS!!

Mathematics
2 answers:
maks197457 [2]3 years ago
7 0
We have one of those equations already solved for y, so let's sub that one into the other one and solve the equation in terms of x only: 2x+( x^{2} -4x+3)=6.  We will simplify that and at the same time bring the 6 over by subtraction to get a polynomial set to equal 0 that we can factor.  x^{2} -2x-3=0.  We will factor that to get (x-3)(x+1) for x values of x = 3 and x = -1.  a above is the choice that has the x values we need, -1 and 3.
boyakko [2]3 years ago
3 0
B is the final answer!!! :)
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Step-by-step explanation:

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since z = 7 we can use this value in second equation

y + 2×7 = 4 and y = -10

now we know the value of y we can solve the first equation

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4 years ago
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3 years ago
Please and don’t just answer for the points, it’s rude
Artyom0805 [142]

Answer:

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7b ∅  or no solution

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For 7b  The parabola and the line do not intersect so there is no solution

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maks197457 [2]
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