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Solnce55 [7]
3 years ago
7

The median is the ____ of an ordered data set.

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0
The awsner would be d middle of it but i might be wrong
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F(x) = x2 + 2x - 2<br> Show graph
Alexandra [31]

Answer:

Step-by-step explanation:

f(x) = x2 + 2x - 2  should be rewritten using " ^ " to indicate exponentiation:

f(x) = x^2 + 2x - 2.

We find a couple of key points and use the fact that this parabola is symmetric about the line

          -2

x = ----------- = -1.  When x = -1, y = f(-1) = (-1)^2 + 2(-1) - 2, or 1 - 2 -2, or -3.

        2(1)

Thus the vertex is at (-1, -3).  The y-intercept is found by letting x = 0:  y = -2.  The axis of symmetry is x = -1.

Graph x = -1 and then reflect this y-intercept (0, -2) about the line x = -1, obtaining (-2, -2).  If necessary, find 1 or two more points (such as the x-intercepts).

To find the roots (x-intercepts), set f(x) = x^2 + 2x - 2 = 0 and solve for x.

Completing the square, we obtain x^2 + 2x + 1 - 2 = + 1, or (x + 1)^2 = 3.

Taking the square root of both sides yields x + 1 = ±√3.  One of the two roots is x = 1.732 - 1, or 0.732, so one of the two x-intercepts is (0.732, 0).

6 0
3 years ago
18 divided by 3 x 2 +(4 divided by 2 +1)
Maslowich

Answer:

9

Step-by-step explanation:

18÷3=6

6×2=12

12+4=16

16÷2=8

8+1=9

7 0
3 years ago
Please help brainlist. &lt;3
sertanlavr [38]

Answer:The graph line has to go  through the origin in order for it to be proportional .In a proportional relationship, one variable is always a constant value. Only have 2

Step-by-step explanation:

4 0
3 years ago
What are some ways u can break 7 times 9 using distributive property
Arte-miy333 [17]
7×4=28+32=60+3 this is a bit long
3 0
3 years ago
Are the expressions 2(3x - 6) and 6x + 12 are equivalent? Explain your reasoning.
zvonat [6]

Answer:

The two expressions are not equivalent

Step-by-step explanation:

2(3x-6) = 6x-12 which is not equal to 6x+12 because of the positive and

negative signs

5 0
2 years ago
Read 2 more answers
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