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nataly862011 [7]
4 years ago
14

Helpppppppppppppppppppppp

Mathematics
1 answer:
slega [8]4 years ago
7 0
D because it has to be a chord due to being perpendicular to a diameter
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900 students attended the school concert. There were twice as many adults as children in the audience. How many children attende
balandron [24]
I am slightly confused by your wording in the last sentence, but if you are trying to figure out how many children attended the concert you would use the second statement. The first statement does not tell you if the students are "children" are not so that is not an appropriate choice.<span />
4 0
3 years ago
If a normal random variable has a mean = _____ and a standard deviation = _____, it is called a standard normal distribution.gro
Valentin [98]

If a normal random variable has mean of 0 and standard deviation of 1, it is called a standard normal distribution.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

For the standard normal distribution, the mean and the standard deviation are given, respectively, by:

\mu = 0, \sigma = 1

More can be learned about the normal distribution at brainly.com/question/24537145

#SPJ1

7 0
1 year ago
A sweater is on sale for 20%20% off the regular price. The sale price is $60$60. What is the regular price of the sweater?
NISA [10]
Answer=48 60*0.2=12  60-12=48
8 0
3 years ago
What is the C.O.P for this relationship?
goldenfox [79]

Answer:

4

Step-by-step explanation:

Constant of proportionality is given as, k = y/x

To find the constant of proportionality of the table of values given, use any of the given pairs of values, say, (1, 4).

Thus, k = 4/1 = 4

Constant of proportionality = 4

5 0
4 years ago
Divide 2÷1/2 can some one pls help I am behind on edge plssss
Ilia_Sergeevich [38]

Answer:

4

Step-by-step explanation:

you need 4 halves to make 2 whole!

5 0
3 years ago
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