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Mathematics 20 Online
OpenStudy (anonymous):

Checking to see if my answers for these 3 are right. 1. Is 0 a solution of -2 < x < 5? A. yes B. no 2. Which of the following is a solution for 4m - 5 > -9 or 4m - 5 < 3? A. m > -9 or m < 3 B. m > -1 or m < 1/2 C. All Real Numbers D. No Solution 3. Which of the following is a solution for 2b + 5 < -1 or b - 4 > -4? A. -1 < b < -4 B. -4 < b < 5 C. b < -3 or b > 0 D. All Real Numbers

myininaya (myininaya):

what are your answers?

myininaya (myininaya):

Do you think 0 is between -2 and 5?

myininaya (myininaya):

you have some negative numbers and some positive numbers in this interval what number is between the negative numbers and the positive numbers?

OpenStudy (paxpolaris):

come on @CJ. if you are checking your answers give your answers..

myininaya (myininaya):

Is this true -2<0<5?

OpenStudy (paxpolaris):

I know you are watching CJ

OpenStudy (anonymous):

Oh sorry guys , I was actually on a different website Thankyou very much @ Pax Polaris . For 1, I got A . For 2 I got B . For 3 I got C . Now im not good at this so I doubt im right . .

myininaya (myininaya):

ok first one is right! Let me check the other two.

OpenStudy (turingtest):

the second one is missing a negative sign, yes?

myininaya (myininaya):

i don't think B is right for number 2. Try to solve that second inequality again. I actually don't see the answer for number 2 listed

OpenStudy (anonymous):

Alright , Ill re do it .

OpenStudy (turingtest):

I think it is 4m-5<-3 ???

myininaya (myininaya):

the last one looks good number 2 is the only weird one

myininaya (myininaya):

i think turing might be right did you write the question right?

myininaya (myininaya):

or problem

OpenStudy (anonymous):

Ithink I did , but Im re doing it right now to see if i did or not.

myininaya (myininaya):

if turing wrote the correct inequality, then your answer is right

OpenStudy (anonymous):

Yea , I redid it and I got the same answer , Should I just go with that?

OpenStudy (turingtest):

do you see what I wrote and how that is different than your post? I wrote 5m-5<-3 you wrote 5m-5<3 which is right?

OpenStudy (anonymous):

Ohh , I see . Yours is right because of the negative 3 ?

OpenStudy (turingtest):

Well that would make B correct...

myininaya (myininaya):

lol ok cj you have the right answers then

myininaya (myininaya):

good work!

OpenStudy (anonymous):

Yaay ^_^ , Thanks guys <3

OpenStudy (paxpolaris):

If 2. is 4m - 5 > -9 or 4m - 5 < -3 B can seem like the correct answer till you graph it.

OpenStudy (anonymous):

good work

OpenStudy (paxpolaris):

|dw:1325298437878:dw|

OpenStudy (paxpolaris):

|dw:1325298583387:dw|

OpenStudy (turingtest):

It has the word or so it is the same idea I guess. Overlapping sets

OpenStudy (paxpolaris):

|dw:1325298645928:dw| Th answer is C All real #

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