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Mathematics 15 Online
OpenStudy (tifferslovesyaoi):

I really need help with these questions. I do not understand anything.

OpenStudy (tifferslovesyaoi):

OpenStudy (tifferslovesyaoi):

@love10129151 I got the questions here if you still want to help me

OpenStudy (love10129151):

yes ill help

OpenStudy (tkhunny):

So, you have to add up this? PV = 3000 + 3000v + 3000v^2 + 3000v^3 + 3000v^4 + 3000v^5 Where \(v = \dfrac{1}{1+\dfrac{0.12}{2}}\) That's six semi-annual payments, each for $3,000.00 That's semi-annual compounding of 12% APR Add them up using your best Geometric Series techniques. Without the interest, that's 6*3000 = 18000, so it had better be less than that with the interest discounting. Or do we need an accumulated value? AV = 3000r + 3000r^2 + 3000r^3 + 3000r^4 + 3000r^5 + 3000r^6 As before, except \(r = 1 + \dfrac{.12}{2}\) This, of course, must be greater than $18,000, or something went wrong.

OpenStudy (tifferslovesyaoi):

I don't understand any of that,

OpenStudy (tkhunny):

It's a geometric series. That is all that is required. Have you ever seen one?

OpenStudy (tifferslovesyaoi):

no

OpenStudy (tkhunny):

Have you had algebra? You'll need that. Well, then you MUST have a collection of formulas or we can walk through it 6 months at a time. What about those formulas?

OpenStudy (tifferslovesyaoi):

I don't really remember much of Alegbra

OpenStudy (tkhunny):

It's time to review. Please pursue it. No page full of formulas?

OpenStudy (tifferslovesyaoi):

there are no pages.

OpenStudy (tkhunny):

Your ONLY remaining alternative it to wade through it one period at at time. i = 0.12 i/2 = 0.06 <== Adjusting for semi-annual. Deposit #1: 3,000 Interest to next deposit: 3,000 * 0.06 = 180 Total before 2nd deposit: 3000 + 180 = 3180 Deposit #2: 3,000 Plus what we already had: 3000 + 3180 = 6180 Interest to next deposit: 6180 * 0.06 = 370.80 Total before 2nd deposit: 6180 + 370.80 = 6550.80 And so on, up to one period AFTER the sixth deposit. Sorry, I'm not seeing any options. Why are you in this course? Was there a placement exam? Is it your last math requirement before you take classes you want to take? Sometimes, the rules put you in a tough spot.

OpenStudy (tifferslovesyaoi):

i'm in my senior year and this is my last class.

OpenStudy (tkhunny):

Well, you'll have to wade through that arithmetic. How about a spreadsheet? Any experience with those?

OpenStudy (tifferslovesyaoi):

i'm just going to ask my teacher what to do. i'm not understanding anything,

OpenStudy (tkhunny):

Yes, please do. Have a very good chat with your academic advisor. This class is going to be a VERY ROUGH go with no algebra. I do wish you the best. Hang in there!

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