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Evgesh-ka [11]
3 years ago
5

Triangle MNO is rotated 180Degrees using the origin as the center of rotation. On a coordinate plane, triangle M N O has points

(negative 3, 2), (negative 3, 3), (negative 5, 2). Triangle M prime N prime O prime has points (3, negative 2), (3, negative 3), (5, negative 2). Which sequences of transformations will produce the same results? Check all that apply. a reflection over the x-axis and then a reflection over the y-axis a reflection over the y-axis and then a reflection over the x-axis a 90Degrees clockwise rotation about the origin and then a 90Degrees counterclockwise rotation about the origin a translation 6 units right and then a reflection over the x-axis a translation 4 units down and then a reflection over the y-axis
Mathematics
2 answers:
avanturin [10]3 years ago
3 0

Answer:

A. a reflection over the x-axis and then a reflection over the y-axis  

and

B. a reflection over the y-axis and then a reflection over the x-axis

Step-by-step explanation:

garik1379 [7]3 years ago
3 0

Answer:

A. a reflection over the y-axis then a rotation 90* clockwise about the origin

Step-by-step explanation:

I took the math quiz on Edge

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Answer:

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Step-by-step explanation:

Given

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Required

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First, we need to state the hypotheses

H_o: \sigma_1^2 = \sigma_2^2

H_1: \sigma_1^2 \ne \sigma_2^2

Next, calculate the test statistic using:

F = \frac{s_1^2}{s_2^2}

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F = 0.923

Calculate the rejection region;

But first, calculate the degrees of freedom

df_1 =n_1 - 1

df_1 =25 - 1

df_1 =24

df_2 = n_2 -1

df_2 = 21 - 1

df_2 = 20

Using the F Distribution:  table

c = \frac{\alpha}{2}

c = \frac{0.02}{2}

c = 0.01

At 0.01 level (check row 20 and column 24), the critical value is:

<em></em>f_{0.01,24,20} = 2.86<em> --- the upper bound</em>

At 0.01 level (check row 24 and column 20), the critical value is:

f_{0.01,20,24} = 2.74

Calculate the inverse F distribution.

f_{0.99,20,24} = \frac{1}{f_{0.01,20,24}} = \frac{1}{2.74} =0.365 ---- the lower bound

The rejection region is then represented as:

0.365 < Test\ Statistic < 2.86

If the test statistic falls within this region, then the null hypothesis is rejected

F = 0.923 --- Test Statistic

0.365 < 0.923 < 2.86

<em>The above inequality is true; so, the null hypothesis is rejected.</em>

<em>This implies that, there is no sufficient evidence.</em>

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Answer:

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