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disa [49]
3 years ago
10

Please please help someone!

Mathematics
1 answer:
VladimirAG [237]3 years ago
3 0

Answer:

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Ive been at this for abt 30 min. help?
gregori [183]

Answer:

1+\frac{-63}{x^2-1}

Step-by-step explanation:

If you foil this equation you will get:

\frac{(x+8)(x-8)}{(x+1)(x-1)}

And by dividing it, you will get;

1+\frac{-63}{x^2-1}

That is your answer!

6 0
3 years ago
...............................
hram777 [196]

Answer:

the answer is 8 square units

Step-by-step explanation:

i hope i helped

8 0
3 years ago
What is the solution to the system of equations? Use the linear combination method.
Korolek [52]
1. {2x−3y=9
{3x+5y=4

2. {(2x−3y=9)×5
{(3x+5y=4)x3

3. {10x-15y=45
{9x+15y=12

4. (10x-15y=45) + (9x+15y=12)= (19x=57)

5. (19x=57)÷19

6. x=3

7. 2(3)-3y=9

8. 6-3y=9

9. -3y=9-6

10. (-3y=3)÷(-3)

11. y=-1

Answer: x=3 and y=-1
3 0
3 years ago
What are the coordinates of the vertex of the parabola with the equation y = x2 + 2x – 3?
Sonbull [250]

Answer:

  A.  (-1, -4)

Step-by-step explanation:

The vertex can be found by converting the equation from standard form to vertex form.

<h3>Vertex</h3>

Considering the x-terms, we have ...

  y = (x^2 +2x) -3

where the coefficient of x is 2. Adding (and subtracting) the square of half that, we get ...

  y = (x^2 +2x +(2/2)^2) -3 -(2/2)^2

  y = (x +1)^2 -4

Compare this to the vertex form equation ...

  y = a(x -h)^2 +k

which has vertex (h, k).

We see that h=-1 and k=-4. The vertex is (h, k) = (-1, -4).

On the attached graph, the vertex is the turning point, the minimum.

6 0
2 years ago
Refer to the figure to complete the proportion A/C = Y/?
salantis [7]
Hello,
Please, see the attached file.
Thanks.

3 0
3 years ago
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