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Nitella [24]
3 years ago
7

Please help, due today. Solve for x and will mark brainlist

Mathematics
1 answer:
MissTica3 years ago
7 0

Answer:

This is my cat How it is

I found it in a box

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3 years ago
Hello im in 8th grade and I need to get my grades up so anyone know the answer to
jolli1 [7]

Answer:

x = 3

Step-by-step explanation:

12x = 36

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4 0
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The first three steps in determining the solution set of the system of equations algebraically are shown in the table. y = −x2 +
lianna [129]
You have a system of equations \left \{ {{y = -x^2+2x-9} \atop {y =-6x+6}} \right..

1. Substitude right side of second equation into the left side of the first equation: -6x+6=-x^2+2x-9.

2. Solve this equation:
 x^2-2x+9-6x+6=0, \\ x^2-8x+15=0, \\ D=(-8)^2-4\cdot 1\cdot 15=64-60=4,  \\ \sqrt{D}=2,  \\ x_{1,2}=\dfrac{8\pm 2}{2  } =3,5.

3. Find y:
for x_1=3, y_1=-6\cdot 3+6=-18+6=-12,
for x_2=5, y_2=-6\cdot 5+6=-30+6=-24.

4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.


7 0
3 years ago
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grigory [225]
6.
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