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why dont u use mathway.com it helps?!

i know how to do this but i don't know why i keep getting a wrong answer?

okay what did u get....go step by step.?

i got this 1.5159=(4+r)^(44)

hold on lemme see...

i think its 3.8

can you show me what you did ?

i was guessing lmao i hate math!

sorry:/

wait i think i got it....wait

what you get?

anyone can show me how to solve this?
2976.45=1963.45(1+r/4)^4(11)

what is that?? the formula i wrote is correct

^44

1.5159=(1+r/4)^4*11

then- 1.5159=5+r^44 im not sure about 5 than what do i doo

Good so far, keep going.

Wait, hold on.

So, I'll take over from here for a little while and give you a little break. Hold on while I type.

Are you still getting this or did you get lost anywhere along the way? Should I stop or go on?

then i have to take away 4 from each side

i keep getting an negative number

ok, we'll do it that way. Hold on.

That's the annual rate. It's 4 times the quarterly rate of:
0.9500028 percent.

so where did i go wrong

Fast? It's going to take me a while just to read it!

thats fine

Well, I got problem #11, it's "b", not "c" like you have it, but you were not far off.

thanks

these are practice problem i did like 50 and these are the ones i wasnt sure about

i just want to know which ones i need to practice more

how are 13 and 14 last two?

im sure about the rest just not these 4

my work is on paper its going to take me a while to type but i think 13 is okay

Yes, #13 is definitely 88.

for 14 i think its wrong

thats what im trying to figure out

i think n is number of cells and an is days or vise versa thats what im trying to figure out

i'll just go with A

Hold, on I figured it out algebraically.

I'm just trying to relate my answer back to the crazy notation in the problem.

yeah

I checked this answer out up to 88, which is day 7. Can you get this back into that crazy notation?

not really other than -1

While you're answering that, I'm working on that notation.

its A for sure thanks for your help

Yes, I just confirmed A. I figured out the notation, but you might want a bit of explanation on it.

I don't know where that post of yours went, I don't see it anymore, but A was correct, for sure.

Well! It looks like we're done! Nice working with you and good luck in everything!

Your so nice thank you so much please keep in touch please

And you're nice, too! You made my day! :-)

btw, "an - 1" is the # of cells in the previous day, but I think you know that by now.

And this was exhausting!