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topjm [15]
3 years ago
10

2 sqrt of 3 times 3 sqrt of 15

Mathematics
1 answer:
bixtya [17]3 years ago
5 0
The answer would be 40.2 I'm pretty sure I'm right. I hope I helped!
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Answer: 18 meters

Step-by-step explanation:

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If the distance between two points (ab) on a circle is 15 cm and the angle between those two cities is 18˚, what is the circumfe
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What is the area of the triangle?
bagirrra123 [75]

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the answer is 80

8 0
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Since the area under the normal curve within two standard deviations of the mean is 0.95, the area under the normal curve that c
alukav5142 [94]

Answer:

X \sim N (\mu ,\sigma)

And for this case we know this condition:

P(\mu-2\sigma

By the complement rule we know that:

P(X< \mu -2\sigma \cup X>\mu +2\sigma) = 1-0.95=0.05

But since the distribution is symmetrical we know that:

P(X\mu +2\sigma) = 0.025

So then the statement for this case is FALSE.

b. False

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

For this case if we define the random variable of interest X and we know that this random variable follows a normal distribution:

X \sim N (\mu ,\sigma)

And for this case we know this condition:

P(\mu-2\sigma

By the complement rule we know that:

P(X< \mu -2\sigma \cup X>\mu +2\sigma) = 1-0.95=0.05

But since the distribution is symmetrical we know that:

P(X\mu +2\sigma) = 0.025

So then the statement for this case is FALSE.

b. False

5 0
3 years ago
NEED HELP ASAP!!!!!!!!!!!!!!!!
FromTheMoon [43]

Answer:

6:8 and 9:12

Step-by-step explanation:

As long as you do the same thing to both parts of the ratio, it's the same ratio

5 0
3 years ago
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