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3 years ago

What is the transformation that occurs to the equation y = 2x if it changes to y = 2x-3?

1 answer:

7 0

Given equation is y=2x which change to y=2x-3 . Now we need to check following which transformations, the equation y=2x changes to y=2x-3 .

Because of -3 with the given function y=2x, the graph shifts to 3 units down. So the transformation is 3 units downwards. If -3 is inside the function that is y=2(x-3), in that case the equation shifts to 3 units right. But since here we have -3 with the function not inside the function, so the equation shifts to 3 units downwards and that's the required transformation .

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Which fraction is equivalent to -(3/4)?

Alekssandra [29.7K]

Answer:

I dont understand the context of the question but something eqqual to that would be -6/8

Step-by-step explanation:

6 0

3 years ago

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Barron's reported that the average number of weeks an individual is unemployed is 17.5 weeks. Assume that for the population of

Olin [163]

Answer:

$P(16.5$

And using the normal standard table or excel we find the probability:

$P(-1.768< Z< 1.768) = P(Z$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the avergae number of weeks an individual is unemployed of a population, and for this case we know the distribution for X is given by:

$X \sim N(17.5,4)$

Where $\mu=17.5$ and $\sigma=4$

Since the distribution for X is normal then, the distribution for the sample mean $\bar X$ is given by:

$\bar X \sim N(\mu= 17.5, \frac{\sigma}{\sqrt{n}}= \frac{4}{\sqrt{50}}=0.566)$

We select a sample of n =50 people. And we want to find the following probability

$P(16.5$

And using the normal standard table or excel we find the probability:

$P(-1.768< Z< 1.768) = P(Z$

4 0

3 years ago

Find the missing lengths m and n in the rectangular prism.

Sav [38]

Answer:

where is the picture???

what are the given lengths?

4 0

2 years ago

Mary has a pink dress, a blue dress, and a yellow dress. She has a black pair of shoes and a white pair. How many dress and shoe

Yanka [14]

There are two ways to solve this.
The first way is logically.
Mary can
-wear a pink dress with black shoes -wear a pink dress with white shoes
-wear a blue dress with black shoes -wear a blue dress with white shoes
-wear a yellow dress with black shoes - wear a yellow dress with white shoes

Count them up, and you'll get six combinations!

Another way is simply mathematically, which is easier in my opinion.

3 (different colored dresses) × 2 (different colored shoes) = 6 (combos)

8 0

2 years ago

What is 1 1/4 divided by 1 2/5 for kahn academy ?

Neko [114]

Answer:

25/28

Step-by-step explanation:

5/4 x 5/7 = 25/28

3 0

3 years ago

Read 2 more answers