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3 years ago

7

(50 POINTS)Describe the transformation that maps the pre-image A to the image A'.

1 answer:

natima [27]3 years ago

3 0

You should really learn these, since later when you go into college they will also test you about graphs and such.

To do this, focus on one point of the pre-image A. Now, look at this point, and see how it gets there to the actual image. In this case, it is translated 10 units to the right, and then 10 units down. If it was reflected across the y or x axis, the shape would be flipped, this pre-image was simply just translated to another place.

So, the answer you're looking for is <span>B) translated 10 units to right and then 10 units down </span>

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According to the United States Census Bureau, the average single-family home constructed in 2016 was 2,463 square feet. Carmen w

Dimas [21]

Using the t-distribution, it is found that the value of the test statistic is t = -87.3.

At the null hypothesis, it is <u>tested if the mean is of 2,463 square feet</u>, that is:

$H_0: \mu = 2463$

At the alternative hypothesis, it is <u>tested if the mean is smaller</u>, that is:

$H_1: \mu < 2463$ .

We have the <u>standard deviation for the sample</u>, hence, the <em>t-distribution</em> is used to solve this question.

The test statistic is given by:

$t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}$

The parameters are:

$\overline{x}$ is the sample mean.

$\mu$ is the value tested at the null hypothesis.

s is the standard deviation of the sample.

n is the sample size.

The values of the <em>parameters </em>are: $\overline{x} = 1640, \mu = 2463, s = 66, n = 49$ .

Hence, the value of the <em>test statistic</em> is:

$t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}$

$t = \frac{1640 - 2463}{\frac{66}{\sqrt{49}}}$

$t = -87.3$

To learn more about the t-distribution, you can take a look at brainly.com/question/25819230

7 0

2 years ago

Can anyone help me with this

elena-s [515]

6x3 +2x2-3x-7 these are supposed to go in the boxes

4 0

3 years ago

In a basketball game, Phil scored three times as many points as Fred. Together they combined to score 56 points. How many points

valkas [14]

Answer:

Step-by-step explanation:

X= Fred

56=x+3x

56=4x

Divide both sides by 4

56/4=14

Fred had 14 points and Phil had 42

Check: 14+42=56

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3 years ago

Describe a scenario where you need to represent fractional percents greater than 100%

Andreas93 [3]

Answer:

Like on a test if you get extra credit.

Step-by-step explanation:

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4 years ago

Read 2 more answers

6/11 + 4 = 2/11 x + 16

Georgia [21]

Answer: x = 33

Step-by-step explanation:

Subtract 2/11x from both sides

Subtract 4 from both sides

Multiply both sides by 11/4

4 0

3 years ago

Read 2 more answers