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Mathematics 14 Online
OpenStudy (iwanttogotostanford):

Help

OpenStudy (iwanttogotostanford):

@3mar @mhchen @jhonyy9

OpenStudy (studygurl14):

Try each one to see if it works.

OpenStudy (3mar):

Well, I am here.

OpenStudy (iwanttogotostanford):

@3mar ok what is the answer

OpenStudy (3mar):

Is this arithmetic or geometric?

OpenStudy (studygurl14):

Geometric it loks like @3mar

OpenStudy (studygurl14):

the formula is \(\Large A(n) = a • r^{n-1}\) I think...

OpenStudy (3mar):

I know sir, I just need the asker to find it out! Thanks.

OpenStudy (studygurl14):

Oh, sorry @3mar

OpenStudy (iwanttogotostanford):

@StudyGurl14 i just need your help with my biology please:-) you're good at that no one else is!

OpenStudy (3mar):

No problem. I am sorry that I am answering in your watch! ;) @StudyGurl14

OpenStudy (iwanttogotostanford):

@3mar ?

OpenStudy (3mar):

Yes

OpenStudy (3mar):

What about the first one?

OpenStudy (iwanttogotostanford):

its finished, now this one please need help

OpenStudy (3mar):

Ok. As you wish.

OpenStudy (iwanttogotostanford):

thank you

OpenStudy (3mar):

as it is geometric, and the numbers get bigger so the index is greater than one (which we multiply with)

OpenStudy (3mar):

Not at all!

OpenStudy (iwanttogotostanford):

so.. which answer choice is it>? A,B,C or D?

OpenStudy (3mar):

Because there are positive and negative numbers in the sequence, so the base is negative (its negative sign diminishes in the case of even power) Got that?

OpenStudy (iwanttogotostanford):

yes just need the answer though

OpenStudy (3mar):

According to these givings, your choice is ...#?

OpenStudy (iwanttogotostanford):

im not sure I'm asking you

OpenStudy (3mar):

D, Mam!

OpenStudy (iwanttogotostanford):

thanks! are you sure about that?

OpenStudy (3mar):

101%

OpenStudy (3mar):

As I try the 2nd and 5th terms myself. It'd better to do so yourself also.

OpenStudy (iwanttogotostanford):

yes I see now thanks!

OpenStudy (iwanttogotostanford):

@3mar please asap

OpenStudy (3mar):

Can we start in new post, please?

OpenStudy (3mar):

quckly

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