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Zarrin [17]
3 years ago
6

\(º □ º l|l)/ i dont understand

Mathematics
2 answers:
balu736 [363]3 years ago
8 0

Answer:

w' -6,2

x' -12,2

y' -10, -3

z' -4, -3

Step-by-step explanation:

All the domains become negative while the ranges stay the same

k0ka [10]3 years ago
6 0

Answer:

W' -6,2

X' -12, 2

Y' -10, -3

Z' -4, -3

Step-by-step explanation:

If you look into a mirror, you will see your reflection. It's kind of like that ig. Reflecting it over the y-axis means that you're going to be moving the whole shape over the line that says "y" at the top of it. Sorry if my explanation is bad, but this is the most easy way for me to explain it. After you reflect it over the y-axis, you have to find out where the points are now.

So

Point W started at 6,2

Point X started at 12,2

Point Y started at 10,-3

Point Z started at 4,-3

Btw, I just started learning this, so I may be wrong, but I hope this helped!!

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The distribution of the average amount of sleep per night gotten by college students is roughly bell-shaped with mean 412 minute
kirza4 [7]

Answer:

P(X

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 scores of a population, and for this case we know the distribution for X is given by:

X \sim N(412,68)  

Where \mu=412 and \sigma=68

We are interested on this probability

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And the best way to solve this problem is using the normal standard distribution and the z score given by:

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If we apply this formula to our probability we got this:

P(X

And we can find this probability using the normal standard table or excel and we got:

P(z

4 0
3 years ago
Tickets to a show cost $5.50 for adults and $4.25 for students. A family is purchasing 2 adult tickets and 3 student tickets. Wh
Contact [7]
2 adults = 5.50 x 2 = 11
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Total = $23.75
8 0
2 years ago
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Gala2k [10]
The answer that you are looking for is 2
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Darya [45]

Answer:

40 ft

Step-by-step explanation:

Perimeter is the sum of all 3 sides of a triangle.

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5 0
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Arlecino [84]

Answer: H. 139.50

Step-by-step explanation:

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3 0
3 years ago
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