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jeyben [28]
3 years ago
5

Write 3.141 in expanded notation

Mathematics
2 answers:
Strike441 [17]3 years ago
7 0
Three and one hundred forty one hundredths <span />
Oksana_A [137]3 years ago
5 0
Three and one hundred forty one hundredths
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4x 4/4 is equal to 1 , since 4/4 is equal to 1
Grace [21]

Answer:

False, it is equal to 4.

Step-by-step explanation:

The current question asks that 4 x 4/4 is equal to 1, since 4/4 is equal to 1, but this stems from a gross misinterpretation of mathematics.

Although it is true that 4/4 is equal to one, since the 4 parts that make up an integer are completed, when multiplying the number 1 4 times this mathematical operation will result in 4, since 4 x 1 = 4.

5 0
2 years ago
The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $4.09 and a standard deviatio
WINSTONCH [101]

Answer:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

\mu_{\bar X} = 4.09

\sigma_{\bar X}= \frac{\sigma}{\sqrt{n}}= \frac{0.08}{\sqrt{16}}= 0.02

So the best answer for this case would be:

\bar X \sim N (4.09,  \frac{0.08}{\sqrt{16}}= 0.02)

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

X \sim N(4.09,0.08)  

Where \mu=4.09 and \sigma=0.08

We select a sample size of n =16. Since the distribution for X is normal then we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

\mu_{\bar X} = 4.09

\sigma_{\bar X}= \frac{\sigma}{\sqrt{n}}= \frac{0.08}{\sqrt{16}}= 0.02

So the best answer for this case would be:

\bar X \sim N (4.09,  \frac{0.08}{\sqrt{16}}= 0.02)

3 0
3 years ago
5.37 + x =12.89 explanation please it’s two step equation
Wewaii [24]

Answer:

7.52

Step-by-step explanation:

5.37 + x = 12.89

In order to solve this equation, we must isolate the variable, x.

1.) To do this, subtract 5.37 on both sides of the equation.

5.37 + x = 12.89

-5.37         -5.37

x = 7.52

Therefore, x = 7.52

6 0
2 years ago
Read 2 more answers
If 20 machines produce 1,240 printers in a day,
d1i1m1o1n [39]

Answer:

12 machines

Step-by-step explanation:

The production rate per machine is 1240/20 = 62

For 1,984 printers it would take 32 machines (1984/62 = 32)

32 needed minus the 20 they already have means they need 12 more machines.

7 0
2 years ago
What is the distance between (-5,8) and (-5.-8)
lisabon 2012 [21]

Answer: Use the formula y = mx + b in order to solve for b. Then, plug in known vaules.

y= -13x -57

Step-by-step explanation:

7 0
2 years ago
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