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ololo11 [35]
3 years ago
12

%20x%20%2B%205%29" id="TexFormula1" title="( - 8x}^{2} - 5x - 6) + ( - x { }^{2} - x + 5)" alt="( - 8x}^{2} - 5x - 6) + ( - x { }^{2} - x + 5)" align="absmiddle" class="latex-formula">
Solve​
Mathematics
1 answer:
Jlenok [28]3 years ago
8 0

Hello! I hope this helps! <33

Answer:

-9x^2-6x-1

Step-by-step explanation:

1.) Remove parantheses

-8x^2-5x-6-x^2-x+5

2.) Group like terms

8x^2-x^2-5x-x-6+5

3.) Add similar elements

-9x^2-5x-x-6+5

4.) Add similar elements

-9x^2-6x-6+5

Answer = -9x^2-6x-6+5

Have a nice day! ;)

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The equation for the cross section of a parabolic satellite television dish is y = 1/45 x2, measured in inches. How far is the f
patriot [66]

Answer:

11.25

Step-by-step explanation:

The equation for a parabola is:

y − k = 1/(4p) (x − h)²

where (h, k) is the vertex and p is the distance from the focus to the vertex.

1/(4p) = 1/45

4p = 45

p = 11.25

The distance from the vertex to the focus is 11.25 inches.

3 0
3 years ago
Please help out :)) and give a explanation
wolverine [178]

9514 1404 393

Answer:

  y = 3x

Step-by-step explanation:

A proportional relation has the equation ...

  y = kx

To write the desired equation, you need to know the value of k. That can be found from the given information:

  for x = 2, y = 6

  6 = k·2

  3 = k . . . . divide by 2

Now, we know the equation can be written ...

  y = 3x

5 0
2 years ago
The mean number of goals scored is 2.5.
LenaWriter [7]

Answer:

2 games.

Step-by-step explanation:

2.5 + 1.8 = 4

4 divided by 2 = 2

5 0
3 years ago
Need help at this question
olga2289 [7]
The answer is definitely 2.4>3x
7 0
3 years ago
PLEASE HELP ASAP!!!!! WILL MARK BRAINLIEST FOR FIRST CORRECT ANSWER!!!!
Alona [7]
4/5 is the answer. 
The formula is y=mx+b, where m is the slope
4 0
3 years ago
Read 2 more answers
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