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Veseljchak [2.6K]
3 years ago
13

A segment with endpoints (2, -1) and (4, 2) is dilated to the image segment with endpoints (4, -2) And (8, 4).

Mathematics
1 answer:
KiRa [710]3 years ago
3 0
Your answer is B, because this shows (x, y) --> (x, y)*2.
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I need help not sure how to answer this​
Alja [10]

Answer33

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The distribution of the scores on a certain exam is ​N(40​,5​), which means that the exam scores are Normally distributed with a
katen-ka-za [31]

Answer:

Step-by-step explanation:

Let x represent the random variable representing the scores in the exam. Given that the scores are normally distributed with a mean of 40 and a standard deviation of 5, the diagram representing the curve and​ the position of the​ mean, the mean plus or minus one standard​ deviation, the mean plus or minus two standard​ deviations, and the mean plus or minus three standard deviations is shown in the attached photo

1 standard deviation = 5

2 standard deviations = 2 × 5 = 10

3 standard deviations = 3 × 5 = 15

1 standard deviation from the mean lies between (40 - 5) and (40 + 5)

2 standard deviations from the mean lies between (40 - 10) and (40 + 10)

3 standard deviations from the mean lies between (40 - 15) and (40 + 15)

b) We would apply the probability for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 40

σ = 5

the probability that a randomly selected score will be greater than 50 is expressed as

P(x > 50) = 1 - P( ≤ x 50)

For x = 50,

z = (50 - 40)/5 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.98

P(x > 50) = 1 - 0.98 = 0.02

7 0
3 years ago
444. IU
murzikaleks [220]

Answer:

That is the third one :

456.222

because it has the most numbers 4,5,6 and point . 2,2,2

3 0
2 years ago
Please answer quickly
storchak [24]

Answer:

1 1/2

Step-by-step explanation:

5 0
3 years ago
Cos(x)&lt;.025<br> cos^2(x)&lt;.25<br> sin(x)&lt;.25<br> sin^2(x)&lt;.25 <br><br> PLZ HELP
saw5 [17]

Step-by-step explanation:

First

since its follow the pattern Intercept Max... Intercept Min...

Its a positive sine graph

Asin(B(x-0))<0.25

A=1

B=2π/period

period From the graph = 2π

B=2π/2π

B=1

Sin(x)<0.25

I'd go with C.

5 0
3 years ago
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