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Lina20 [59]
3 years ago
11

Which number system BEST describes this set? {-10, 0, 28 7 , 102.9} A) integers B) natural numbers C) rational numbers D) irrati

onal numbers
Mathematics
1 answer:
dolphi86 [110]3 years ago
4 0
Answer: The best choice would be: Rational Numbers

The 4 numbers in this list only all belong to the set of rational numbers. All of the other sets can be crossed off.

First, 102.9 is not an integer, so we can't select choice A.

Second, 0 is not a natural number, so we can't select choice B.

Third, none of the numbers are irrational, so we can't select choice D.

The only choice left is choice C - rational numbers.
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Answer: 14.32 units

Step-by-step explanation:

The formula for calculate the distance between two points is:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

In this case, given the points (-2,8) and (11,2), we can identify that:

x_2=11\\x_1=-2\\\\y_2=2\\y_1=8

Therefore, we just need to substitute values into the formula in order to calculate the distance between the given points. This is (Rounded to the nearest hundred):

d=\sqrt{(11-(-2))^2+(2-8)^2}\\\\d=14.32\ units

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Solve the system by graphing.
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