Why are whole numbers subset of intergers,but not subset of natrual numbers

Mathematics

1 answer:

Zepler [3.9K]2 years ago

6 0

I think that whole numbers and natural numbers are the same set:- 1, 2, 3, 4 etc

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lozanna [386]

Answer: 42.0

Step-by-step explanation:

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1 year ago

Can you put this into one sentence The Soviet team dominated the second period. The Americans scored twice in the last period. T

Greeley [361]

the americans scored twice in the last period although the soviet team dominated second period, after that the americans finally took the lead

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2 years ago

What value has a z-score of -0.67, if the mean is 18 and the standard deviation is 1.68?

uranmaximum [27]

The data point is 1.6 standard deviations above the mean.
Step-by-step explanation:
Z-score
It is the number of standard deviations from the mean that a data point is. It's a measure of how many standard deviations below or above the population mean a raw score is.
A Z-score is also known as a standard score and it can be placed on a normal distribution curve.
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2 years ago

Which equation has exactly two real and two non real solutions?

tatiyna

Answer:

The first option $x^4-21x^2-100=0$ .

Step-by-step explanation:

To have exactly 2 real and two non real solutions, the degree of the polynomial must be a degree 4. Degree is the highest exponent value in the polynomial and is also the number of solutions to the polynomial. This polynomial ha 2 real+2 non real= 4 solutions and must be $x^4$ . This eliminates the bottom two solutions.