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Vsevolod [243]
2 years ago
15

Can some one help me??

Mathematics
2 answers:
dezoksy [38]2 years ago
7 0
I think it’s B, because it’s not adding or subtracting in a pattern
kherson [118]2 years ago
3 0

Answer: Choice A

Answer for the box:   (-7/2)x+3

===================================================

Explanation:

The table shows that x = 0 leads to y = f(x) = 3. This immediately tells us the y intercept is b = 3. The y intercept occurs whenever x = 0.

To find the slope, note how each time x goes up by 2, y decreases by 7. So we can say

slope = rise/run

slope = (change in y)/(change in x)

slope = -7/2

We can write that as -3.5

If you want to apply the slope formula, then you can do so on any two points from the table. I'll pick on the first two columns

m = (y2-y1)/(x2-x1)

m = (3-10)/(0-(-2))

m = (3-10)/(0+2)

m = -7/2

m = -3.5

So we can say that y = mx+b turns into y = (-7/2)x+3 since we found m = -7/2 and b = 3

--------------------

As a check, plugging x = -2 into the equation leads to...

y = (-7/2)x+3

y = (-3.5)*(-2)+3

y = 7+3

y = 10

This verifies the first column of the table. I'll let you check the other columns.

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Vsevolod [243]

Answer:

H0:μ=10.6

Ha:μ≠10.6

Step-by-step explanation:

you do not find out about the 12.9 until after stating the hypothesis.

7 0
3 years ago
Use two unit multipliers to convert 1250 square inches to square feet
abruzzese [7]
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5 0
3 years ago
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Bonjour, aidez moi svp .c'est sur la 1er guerre mondiale 1914
Nikitich [7]

WHAT IS THIS LANGUAGE ? PLEASE TRY TO USE ENGLISH !

6 0
2 years ago
Help help help help please
vodomira [7]

Answer:

x<-3

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7 0
2 years ago
The directrix of a parabola is y=−4y=−4 . The focus of the parabola is (−2,−2)(−2,−2) .
salantis [7]
Refer to the diagram shown below.

The directrix is y = -4 and the focus is (-2, -2).
Therefore the vertex is at (-2, -3).

Consider an arbitrary point (x,y) on the parabola.
The square of distance from the focus to the point is
(x+2)² + (y+2)²
The square of the distance from the point to the directrix is
(y+4)²

Therefore
(y+4)² = (y+2)² + (x+2)²
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6 0
3 years ago
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