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Eva8 [605]
3 years ago
7

8

Mathematics
1 answer:
frozen [14]3 years ago
6 0

Answer:

What???

Step-by-step explanation:

Cant see it?????

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Which number is rational?
NISA [10]
The correct answer is the last choice
8 0
4 years ago
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For the function F(x) = 2x^2-31x-51, where is the function increasing and positive? ( for all X values greater than what number
Ulleksa [173]
ANSWER
x \: > \: 17

EXPLANATION

The given function is

f(x) = 2 {x}^{2} - 31x - 51
Let us split the middle term to get,

f(x) = 2 {x}^{2} -34x + 3x- 51

We factor to obtain,

f(x) = 2x(x - 17) -+3(x - 17)

f(x) = (2x -+3)(x -17)

Let us find the zeros of f(x),

(2x +3)(x - 17) = 0

Either

2x +3 = 0 \: or \: x - 17 = 0
x = -\frac{3}{2} \: or \: x = 17

We need to find the x-value of the vertex, which is the midpoint of the x-intercepts.

This gives us,

\frac{- \frac{3}{2} + 17}{2} = 7.75
Hence the axis of symmetry of the parabola has equation,

x = 7.75

Since the given function has minimum turning point, it will decrease and then increase.

The function will be increasing for
x \: > \: 7.75

The function will be increasing and positive for
x \: > \: 17
7 0
3 years ago
HELP ASAP PLEASEEEE WILL GIVE BRAINLIEST!
lys-0071 [83]
_
ab i think that is the answer <span />
4 0
4 years ago
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In science class, the average score on a lab report is 82 points, with all students scoring within 3.2 points of the average. if
gregori [183]

The absolute value equation that represents the minimum and maximum scores is:

|x - 82| = 3.2.

<h3>What is the absolute value function?</h3>

The absolute value function is defined by:

  • f(x) = x, x ≥ 0.
  • f(x) = x, x < 0.

It measures the distance of a point x to the origin.

For this problem, the distance between the minimum and the maximum scores and the mean is of 3.2, that is, the difference between these scores x and the mean of 82 is of 3.2, hence the absolute value equation that represents this situation is given by:

|x - 82| = 3.2.

More can be learned about absolute value equations at brainly.com/question/24514895

#SPJ1

7 0
2 years ago
Marty ordered three extremely accurate and scientific water-balloon launchers from a mail order catalog (one for himself and two
frutty [35]
3 launchers + shipping = $50
shipping = $5
so to find the price of just the launchers we do $50-$5=$45
so 3 ballons = $45
divide be 3 to find the price of one launcher $50 / 3 = $15

6 0
4 years ago
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