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Degger [83]
3 years ago
7

Write an expression that represents the quotient of 24 and 3 plus x

Mathematics
1 answer:
steposvetlana [31]3 years ago
4 0

Answer:

( 24 / 3 ) + x

Step-by-step explanation:

the expression would be ( 24 / 3 ) + x

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Pls help ASAP so I can't fail and show proof why you pick that answer!
mojhsa [17]

Answer:

C

Step-by-step explanation:

thousandths (behind the decimal) (0.000)

5 0
3 years ago
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x to the 4th power+ 87x + 34

Step-by-step explanation:

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3 years ago
Explanation A random sample of 100 observations from a normally distributed population possesses a mean equal to 83.2 and a stan
Olenka [21]

Answer:

The 95% confidence interval would be given by (81.933;84.467)    

Step-by-step explanation:

1) Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

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".

\bar X=83.2 represent the sample mean

\mu population mean (variable of interest)

s=6.4 represent the sample standard deviation

n=100 represent the sample size  

Confidence interval

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

df=n-1=100-1=99

Since the Confidence is 0.95 or 95%, the value of \alpha=0.05 and \alpha/2 =0.025, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.025,99)".And we see that t_{\alpha/2}=1.98

Now we have everything in order to replace into formula (1):

83.2-1.98\frac{6.4}{\sqrt{100}}=81.933    

83.2+1.98\frac{6.4}{\sqrt{100}}=84.467

So on this case the 95% confidence interval would be given by (81.933;84.467)    

7 0
3 years ago
in a classroom 5/8 of the students are wearing blue shirts and 1/4 for wearing white shirts there are 24 students in the classro
Oliga [24]

Answer:

  3

Step-by-step explanation:

Those wearing a shirt of another color are ...

  1 - 5/8 -1/4 = 8/8 -5/8 -2/8 = 1/8

of the total number of students in the classroom

  (1/8)×(24 students) = 3 students . . . . wearing another color

_____

<em>Alternate solution</em>

With the given information, you know ...

  (5/8)(24) = 15 . . . students wear blue

  (1/4)(24) = 6 . . . . students wear white

  24 -15 -6 = 3 . . . students wear another color

6 0
3 years ago
The product of two numbers is 48, and one of the numbers is 12. Find the other number.
Anuta_ua [19.1K]
Two numbers, one being 12, are multiplied to equal 48. 

Therefore, the answer is B) 12x = 48
7 0
3 years ago
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