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Mathematics 14 Online
OpenStudy (pixiedust1):

=

OpenStudy (pixiedust1):

@hartnn @myininaya

OpenStudy (pixiedust1):

@phi @mathstudent55 @robtobey @abb0t @campbell_st

OpenStudy (pixiedust1):

@Luigi0210 @Loser66

OpenStudy (pixiedust1):

MY PENGUIN FRIEND!! HELP

OpenStudy (loser66):

I saw you post this question many times, and there was someone answered you, why do you post, still?

OpenStudy (pixiedust1):

Because I still don't understand. I wanted someone who would walk me through it, and not just give an answer

OpenStudy (loser66):

ok, so, tell me, what is NATURAL numbers?

OpenStudy (pixiedust1):

because they give an answer, and two things happen A.) I never learned for myself B.) I can't be sure if their answer is accurate

OpenStudy (pixiedust1):

Shall i be honest? No idea

OpenStudy (loser66):

You know my rule, right? YOU work, for this question, if you don't know, google.

OpenStudy (pixiedust1):

letme look it u, hold on

OpenStudy (pixiedust1):

*up

OpenStudy (pixiedust1):

Sorry, for my typos, my computer is lagging

OpenStudy (pixiedust1):

That's wikipedia Here's math is fun

OpenStudy (pixiedust1):

Natural Number more ... The whole numbers from 1 upwards: 1, 2, 3, and so on ... Or from 0 upwards in some fields of mathematics: 0, 1, 2, 3 and so on ... No negative numbers and no fractions.

OpenStudy (pixiedust1):

That makes sense to me

OpenStudy (pixiedust1):

So a natural number is a number used in counting, It's all whole numbers from 0 and up. You don't count with negatives, so their not included. Neither are fractions

OpenStudy (loser66):

good, how about its symbol?

OpenStudy (pixiedust1):

N

OpenStudy (loser66):

ok, so, I can say N is a set of natural numbers like 0,1,2,3..... right?

OpenStudy (pixiedust1):

Yuppers

OpenStudy (loser66):

now, what is Z ?

OpenStudy (pixiedust1):

Integers

OpenStudy (loser66):

example?

OpenStudy (pixiedust1):

I found a website that has all this information! i'm using that to answer your questions, okay?

OpenStudy (loser66):

whatever, I need your answer, I don't care how can you get it

OpenStudy (pixiedust1):

Set {... -3, -2, -1, 0, 1, 2, 3, ...}

OpenStudy (loser66):

how about R?

OpenStudy (pixiedust1):

Real numbers. These are all rational and irrational numbers. This is both negative, and positive. This includes algebraic and Transcendental numbers. Examples, 1.5, -12.99, 99, the square root of 2, and pi

OpenStudy (loser66):

ok, in conclusion R = {.....-12.99, -11,.......1,5.6,.........} N = {0,1,2,..........................................} Z = { .....-6,-5,...............0,1,2,...........} and your problem set ={...................-3,-2,-1,0} you think your set belongs to what? R, N or Z?

OpenStudy (pixiedust1):

Intergers

OpenStudy (pixiedust1):

Z

OpenStudy (loser66):

so, what else? medal for you now, hehehehe

OpenStudy (pixiedust1):

YAY! :D Also, R would work. It would include both 0, positive, and negative

OpenStudy (loser66):

nope,

OpenStudy (pixiedust1):

But not N. N is positive an 0. My set includes zero

OpenStudy (loser66):

you must critically pick just one, if there is a number like 1.2 in your set, then N works

OpenStudy (pixiedust1):

Oh okay. Yeah, then Z would probably be my best bet

OpenStudy (loser66):

they give you a specific set, they want you pick a specific parent set, not implied, not including, just accuracy set.

OpenStudy (pixiedust1):

Okay! So that means just one, right?

OpenStudy (loser66):

Yes am I a picky one?

OpenStudy (pixiedust1):

I'm thinking Z, but I'm now thinking that I may need to pick again

OpenStudy (loser66):

It's not easy to study with me, I know,!!! good luck

OpenStudy (pixiedust1):

@Loser66 DON'T LEAVE ME! I understand that so far! But what about the answer options. i don't see Z as any of them!

OpenStudy (pixiedust1):

Oh! does that mean the first one? It's the only one that includes the variable z

OpenStudy (pixiedust1):

I think I get it!! putting aside everything else, the one with the correct symbol is the answer!

OpenStudy (loser66):

hehehehe... yup

OpenStudy (pixiedust1):

Okay, I'm being intelligent now. No more code. I just wanna make sure I'm understanding you right. The first one is the answer?

OpenStudy (loser66):

yup

OpenStudy (pixiedust1):

yay!! Thank you!!!!!!!!!!!!!!!!!!

OpenStudy (loser66):

your opinion?

OpenStudy (pixiedust1):

Well, not tooo confused. I'm trying to figure out N, natural numbers. i know that 0 is a natural number. So is 1. So it would have to be 0 with da line

OpenStudy (loser66):

shoot

OpenStudy (pixiedust1):

But I do know that 0 with da line is included with every set, as a given. So that confused me. I figured they had the right to be in the natural number set too

OpenStudy (loser66):

what does {\(\emptyset\)} mean? is it = 0?

OpenStudy (pixiedust1):

Shoot?

OpenStudy (pixiedust1):

Does that mean that the first one is the answer (dats mah guess)

OpenStudy (loser66):

I mean "shoot your problem" out to get help

OpenStudy (loser66):

yup, but I don't want you to guess, you have a logic to back it up.

OpenStudy (pixiedust1):

huh? Okay, I shot it to you

OpenStudy (loser66):

however, since {0} \(\in\) N { 1} \(\in\) N you have only one option to choose, that is {\(\emptyset\)} \(\in\) N is wrong. , so, it's the choice

OpenStudy (pixiedust1):

Yeah, that's what I was thinking too! Thank you :D

OpenStudy (pixiedust1):

Yeah, I agree that the first one is the answer

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