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nydimaria [60]
3 years ago
7

Is -1/4 a rational number

Mathematics
1 answer:
pav-90 [236]3 years ago
5 0

Answer:

Yes.

Step-by-step explanation:

It can be expressed as a ratio and it is a fraction.

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A cereal box contains 5 cups of cereal.
MA_775_DIABLO [31]

Answer:

10 servings

Step-by-step explanation:

Since one box contains 5 cups then, two boxes equals <u>10 servings</u>.

4 0
3 years ago
HELP... PLEASE ........ PLEASE
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Will its 12.75 because you add 3+9 =12 and you just put the 75 that's it
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Suppose that the hourly wages of fast food workers are normally distributed with an unknown mean and standard deviation. The wag
Nutka1998 [239]

Answer: 1.303639

Step-by-step explanation:

The t-score for a level of confidence (1-\alpha) is given by :_

t_{(df,\alpha/2)}, where df is the degree of freedom and \alpha is the significance level.

Given : Level of significance : 1-\alpha:0.80

Then , significance level : \alpha: 1-0.80=0.20

Sample size : n=40

Then , the degree of freedom for t-distribution: df=n-1=40-1=39

Using the normal t-distribution table, we have

t_{(df,\alpha/2)}=t_{39,0.10}=1.303639

Thus, the t-score should be used to find the 80% confidence interval for the population mean =1.303639

8 0
3 years ago
Which of the following transforms this non-statistical question into a statistical question? How much food does your dog eat?
kozerog [31]

Answer:

A) Not statistical /this question is answered by counting the number of days in March. This produces a single number. This number is not answered by collecting data that vary.

B) Not Statistical/ this question is answered by a single number. It is not answered by collecting data that vary.

C) Statistical/ this question would be answered by all collecting data, and there would be variability in that data.

D) statistical/ this question would be answered by collecting data, and there would be variability in that data

E) Not Statistical/ this question is answered by a single response. It is not answered by collecting data that vary.

F) not statistical/ this question would be answered by counting the bricks. This produces a single number. This question is not answered by collecting data that very

G) non-statistical/ there is only one temperature

4 0
2 years ago
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I need help with this!!!
OleMash [197]

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yes because I need to be a good person

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