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serious [3.7K]
3 years ago
7

What set of reflections would carry parallelogram ABCD onto itself?

Mathematics
2 answers:
My name is Ann [436]3 years ago
5 0
"y-axis, x-axis, y-axis, x-axis" is the set of reflections among the following choices given in the question that <span>would carry parallelogram ABCD onto itself. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope that this is the answer that has helped you.</span>
MariettaO [177]3 years ago
4 0

The <em>correct answer</em> is:


y-axis, x-axis, y-axis, x-axis .


Explanation:


A reflection across the y-axis negates the x-coordinate; algebraically,

(x, y)→(-x, y).


A reflection across the x-axis negates the y-coordinate; algebraically, this takes our new point

(-x, y)→(-x, -y).


Reflecting again across the y-axis will take our new point

(-x, -y)→(x, -y).


Reflecting again across the x-axis will take our new point

(x, -y)→(x, y).


This is where we started; thus the polygon is mapped onto itself.

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Answer:

a)  c) μ = 16.4.

b)  d) μ > 16.4.

c) a) μ < 16.4.

d) c) μ ≠ 16.4.

e)  d) right; left; both.

Step-by-step explanation:

Question a:

Test if it is getting worse, so at the alternative hypothesis we test if the mean is of greater than 16.4 inches, but at the null hypothesis we test if it is still of 16.4 options, so option C.

Question b:

At the alternative hypothesis we test if the mean is of greater than 16.4 inches, as said above, so the answer is given by option d.

Question c:

Dying down, so if the mean is lower than 16.4 inches, so option a.

Question d:

Don't know, so just test if it is different, which includes both lower or greater, so the correct answer is given by option c.

Question e:

Test if more -> right, so on question b) is a right tailed test.

Test if less -> left, so on question c) is a left tailed test.

Different -> both sides, so on question d) it is a two-tailed test.

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3 years ago
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Answer:

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Step-by-step explanation:

9(4x – 15)

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5 0
3 years ago
Read 2 more answers
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