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3 years ago

14

Which statement is true for the set of natural numbers?

1 answer:

Alja [10]3 years ago

5 0

It's closed under addition. You can take any two natural numbers you want, add them up and you'll get some other natural number (eg: 3 and 5 ---> 3+5 = 8)

it's not closed under subtraction. Sure 5-3 = 2 is a natural number but 3-5 = -2 is not a natural number

so that leads us to the answer being choice B

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Find the distance between the points (-2, 4) and (4, -6).<br> 0 212<br> 2/(10)<br> O2V(34)

Fittoniya [83]

Answer:

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Step-by-step explanation:

Calculate the distance (d) using the distance formula

d = √(x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 2, 4) and (x₂, y₂ ) = (4, - 6)

d = $\sqrt{(4+2)^2+(-6-4)^2}$

= $\sqrt{6^2+(-10)^2}$

= $\sqrt{36+100}$

= $\sqrt{136}$ = $\sqrt{4(34)}$ = $\sqrt{4}$ × $\sqrt{34}$ = 2 $\sqrt{34}$

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Answer:

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