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diamong [38]
3 years ago
15

Simply the expression 2(10)+2(x+4)

Mathematics
2 answers:
postnew [5]3 years ago
5 0

Step-by-step explanation:

2(10)+2(x+4)

20 + 2x + 8

20 +8 +2x

28+2x

ahrayia [7]3 years ago
3 0
Answer :

2x+28

Explanation
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Answer:

I believe the answer is 9

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2 years ago
Answer my questions plz help
coldgirl [10]

9514 1404 393

Answer:

  • a = -2/3, b = 8, c = -24
  • y-intercept: (0, -24)
  • x = -b/(2a) = -8/(2(-2/3)) = 8(4/3)
  • x = 6
  • DOWN
  • Max: (6, 0)
  • Vertex: (6, 0)
  • Domain: {x | x ∈ ℝ}
  • Range: {x | x ≤ 0}

Step-by-step explanation:

To find a, b, c, compare the given function to ...

  f(x) = ax² +bx +c

You will see that ...

  • a = -2/3
  • b = 8
  • c = -24

The y-intercept is the function value for x=0. It is the constant term:

  y-intercept = f(0) = -24

Use the above values of a, b to find the line of symmetry.

  x = \dfrac{-b}{2a}=\dfrac{-8}{2\cdot\dfrac{-2}{3}}=8\cdot\dfrac{3}{4}=6

Per the calculation, the line of symmetry is ...

  x = 6

The negative leading coefficient tells you the parabola opens DOWN.

Because it opens down, the vertex at (6, 0) is a Maximum.

As with any polynomial, the domain is "all real numbers", hence any x that is an element of Reals.

The range is all values below the vertex (including the vertex), so is ...

  x ≤ 0

3 0
2 years ago
What is the difference of 1 and 0.1978
Marina CMI [18]

Answer: 0.8022 | This is your answer

Step-by-step explanation:

Well this question is a bit baud but I will try to answer my best.

To find the difference of any number you just need to subtract.  

So a-b=c   |  c is your difference.

So in this problem 1-0.1978 would equal 0.8022

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3 years ago
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Step-by-step explanation:

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Answer:

{3xl42}

Step-by-step explanation:

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