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xxTIMURxx [149]
4 years ago
6

Polygon ABCD is translated to create polygon A'B'C'D'. Point A is located at (1,5), and point A' is located at (-2,1). What is t

he distance from B to B'?
Mathematics
1 answer:
Keith_Richards [23]4 years ago
6 0

Answer:

5

Step-by-step explanation:

Distance from B to B' is equal to the distance from A to A', AA'=5 so BB'=5

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Using the distrubutive proberty an experstion equvalent to 45+72
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Compare 8 ⋅ 107 to 2 ⋅ 104
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Gnesinka [82]

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4

Step-by-step explanation:

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3 years ago
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A national study, that revealed a normal distribution, revealed that the average time a student spends studying statistics on a
Neporo4naja [7]

Answer:

Null hypothesis = H0 : μ = 60

Alternative hypothesis = H1 : μ < 60

Step-by-step explanation:

From the question given :

μ = 60 minutes

xbar = 44.27 minutes

s = 20.4 minutes

The alternative hypothesis is the claim ; which is to hypothesize that the average studying time is 44.27 (which is less than the population average studying time)

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5 0
3 years ago
The point (5,4) is rotated 180° clockwise
zmey [24]

Answer:  (-5,-4)

Step-by-step explanation:

I assume that you need the new coordinates of the point after the rotation centered at the origin.

For this exercise it is important to remember the definition of "Rotation".

A Rotation is defined as a transformation which a figure is rotated about a fixed point known as "Center of rotation".

The figure before the transformation is called Pre-Image and the figure obtained after the transformation is called "Image".

The 180 degree rotation about the origin Rule states that:

(x,y) → (-x, -y)

Therefore, knowing that the given point (5,4) is rotated 180 degrees clockwise about the origin, you can conclude that its Image is:

(-5,-4)

3 0
3 years ago
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