Which elements of the set of natural numbers are also irrational numbers?
2 answers:
Answer:
No element of set of natural numbers can also be an irrational number.
Step-by-step explanation:
The real numbers are collection of all rational numbers and irrational numbers.
Rational numbers are the numbers that can be expressed in the form of fraction and have a terminating decimal expansion. On the other hand irrational numbers are the numbers that cannot be expressed in the form of fraction and have a non-termination decimal expansion.
Now, natural numbers fall under the category of rational numbers. It is denoted by .
Thus, no element of set of natural numbers can also be an irrational number that is natural number cannot be irrational numbers.
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Their earnings would be the same after 4 hours
Let the number of hours be x, and the weekly earning be y
So, the given parameters are:
<u>Kimi</u>
- Earnings = $9 per hour
- Weekly allowance = $8
So, the equation for Kimi's weekly earning is:
<u />
<u>Jordan</u>
- Earnings = $7 per hour
- Weekly allowance = $16
So, the equation for Jordan's weekly earning is:
Equate both equations
Collect like terms
Divide both sides by 2
Hence, their earnings would be the same after 4 hours
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