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valina [46]
4 years ago
7

Help!! please asap! thanks

Mathematics
1 answer:
Lena [83]4 years ago
3 0

Answer:

B

Step-by-step explanation:

-4*-4*-4=-64

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Tyson bought four roses for $8.88. If the cost per rose is constant, how much would 6 roses cost?
jeka94

Answer:

6 roses = $13.32

Step-by-step explanation:

4 roses = $8.88

(divide by 4)

1 rose = $2.22

(multiply by 6)

6 roses = $13.32

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3 years ago
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Graph the piecewise function given below. i need help please
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In statistics, what term means "a numerical range around a sample mean accompanied with a statement of how confident one is that
Alex Ar [27]

Answer:

Confidence Interval for the mean

Step-by-step explanation:

Confidence interval is made using the observations of a <em>sample</em> of data obtained from a population, so it is constructed in such a way, that, with a certain <em>level of confidence </em>(this is the statement mentioned in the question), that is, one could have a percentage of probability that the interval, or range around the value obtained, frequently 95%, contains the true value of a population parameter (in this case, the population mean).  

It is one way to extract information from a population using a sample of it. This kind of information is what inference statistic is always looking for.

An <u>approximation</u> about how to construct this interval or range:

  1. Select a random sample.
  2. For the specific case of a <em>mean</em>, you need to calculate the mean of the <em>sample </em>(sample mean), and, if standard deviation is unknown or not mentioned, also calculate the sample standard deviation.
  3. With this information, and acknowledged that these values follows a standard normal distribution (a normal distribution with mean 0 and a standard deviation of 1), represented by random variable Z, one can use all this information to calculate a <em>confidence interval for the mean</em>, with a certain confidence previously choosen (for example, 95%), that the population mean must be in this interval or <em>range around this sample mean.</em>

3 0
3 years ago
Which algebraic expression represents The quotient of seven and the sun of twice a number and three squared?
umka2103 [35]

Answer: 7/(2x+3^2)

Step-by-step explanation:

y=mx+b

y=7

mx=2x

+b =3^2

7 ÷ ( 2x + 3²)

8 0
3 years ago
Help me guys (10 points)
allsm [11]

Answer:

A

Step-by-step explanation:

You could raise 1 ^ 1000000 and the answer would still be 1.

Ogetchi is wrong.

Bernardo is right

a1 = 1

r = 8

Each term is 8 times the number before it. 8*8 = 64 ; 8*64 = 512

A

4 0
4 years ago
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