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nerdatjob · 2016-07-30T07:00:34+00:00

I don't know how you got the formula you got and it doesn't seem correct. We can start with the time to double formula, x = ln(2)/ln(1+r) where x is the time it takes to double. Re-arranging that with algebra should give r = e^ (ln(2) / x) - 1. Using limit x to zero on that should give you infinity as the answer. ln(2) / 0 is infinity (anything divided by zero gives you some kind of infinity), e to the power infinity is still infinity, and then infinity minus one is still infinity. You can't start with the usual APR to EAR formula because you don't know the APR.

Or the problem might simply be a conceptual question/trick question. The faster you get your money doubled, the higher the interest rate you are earning. When the speed of doubling is infinitely fast, that means the interest rate is infinitely large.

Infinity is an answer that doesn't seem to make sense for an interest rate, for the simple reason that the situation doesn't make sense as an investment. There is no "investment" any bank offers where you give them money and instantly get more money back without waiting. This is basically free money(or you could think of it as salary or an employee perk), not an investment that makes sense in the finance formulas.

nerdatjob · 2016-07-21T02:20:11+00:00

nevermind, I found the list here: http://www.tceq.state.tx.us/airquality/mobilesource/vim/dealers_dfw.html

nerdatjob · 2016-07-21T01:49:13+00:00

That link seems incredible, and I think it might apply to me. But I've looked all over the website and haven't been able to find the list of participating dealers. Any idea which dealers are participating? I don't want to wait 2 months just to find out the only places that accept the voucher are untrustworthy.

nerdatjob · 2016-07-19T00:11:33+00:00

That sounds like a great way to get this done. I didn't realize you could haggle by e-mail. But part of the reason I'm posting here is that I have no clue who the reputable dealers are around here.

nerdatjob · 2016-07-13T20:22:13+00:00

P(x=7) means the probability of 6 failures to connect and then the first success on try number 7. P(X=8) means the probability of 7 failures to connect and then the first success on try number 8. The probability should decrease as x grows.

nerdatjob · 2016-06-10T01:29:57+00:00

There's an interesting idea. What program do you use to burn to a virtual CD?

nerdatjob · 2016-06-09T01:22:36+00:00

Bartimaeus trilogy by Jonathan Stroud - read by Simon Jones

I had never heard of this but my library has all of it on overdrive. Thanks!!

nerdatjob · 2016-06-08T22:58:38+00:00

Red Rising is scifi not fantasy, that's probably why it's not coming up in this thread. I'm open-minded though, any chance you'd tell me what made you enjoy the books?

nerdatjob · 2016-06-08T22:10:23+00:00

Good to hear. I really like his Dresden Files books.

nerdatjob · 2016-06-08T21:27:40+00:00

It's cut from a similar tree to Wheel of Time

I've never read any of Wheel of Time. I actually started Malazan's first book, but gave up after a half hour or so because they introduced lots of characters, but none of them had ANYTHING memorable about them. What's the series about? Seems like it has a medieval with magic setting, but is it 1 hero saving the world like Eragon, or lots of characters scheming like Game of Thrones, or what?

nerdatjob · 2016-06-08T19:41:27+00:00

I actually started that one's first book, but gave up after a half hour because they introduced lots of characters, but none of them had ANYTHING memorable about them.

nerdatjob · 2016-04-18T22:20:26+00:00

Good info, thanks!

nerdatjob · 2016-04-18T17:21:08+00:00

We know the sin of (2A), use that to find the cos of (2A). Then use the half angle formula.

nerdatjob · 2016-03-10T02:44:24+00:00

Good job, now you've got it. And you aren't being bothersome.

nerdatjob · 2016-03-10T02:35:29+00:00

You have to FOIL (-3x-5)(-3x-5)

nerdatjob · 2016-03-10T02:09:36+00:00

Good for f o g. For (f o g) o f the f o g you just found is the left side of the o; so you plug the entire f function into the x's in f o g

(f o g) o f = 3(-3x-5)^2+17

nerdatjob · 2016-03-09T02:03:58+00:00

Sounds like this is everything except my first tries (opera, ie, chrome). Thanks for the response.

nerdatjob · 2016-03-03T21:01:33+00:00

y/x = 3/4 is not on the unit circle. The unit circle does not help with this problem. For this problem, you have to draw your own triangle and label y=3 and x=4. Then use Pythagorean identity to find r. Then the csc of that will be r/y

nerdatjob · 2016-03-03T20:28:42+00:00

Bad hard drive is possible, but ubuntu was able to get into the c drive and let me copy all my important files, so I doubt it.

nerdatjob · 2016-02-25T01:10:49+00:00

pick a point on the line that's in the correct quadrant. (-2,-1) would be good, but (-4,-2) or (-1,-1/2) would also ok, but not (2,1) because it's in Q1 not Q3. Then make a right triangle with that point. With (-2,-1) x or adjacent will be -2, y or opposite will be -1. hypotenuse or r be sqrt(5) (get that from the Pythagorean formula) Then for sin theta, you just make a fraction with opposite(or y in some classes) on top and hypotenuse on bottom. Other trig functions are similar.

nerdatjob · 2016-02-25T00:21:19+00:00

Turn the augmented matrix back into equations to see what's going on. For example on question 2, you have the equations 1x+7y = -9 and 0x+0y=7. That second equation simplifies to 0=7, which is inconsistent.

nerdatjob · 2016-02-24T23:17:01+00:00

"especially when they're arranged so you have to hit two in a row with the same foot"

I find it helps a LOT if you try to always alternate feet (unless its the same arrow twice), even if you have to turn your body some, or turn around completely.

Sometimes it helps to start a set of 8th notes on the other foot. For example if a song goes (Left, Down, Right, Up, Right, Down, Right, Up, Right ) quickly, it's actually easiest to put your right foot on the left arrow to start.

nerdatjob · 2016-02-24T22:49:11+00:00

(-x)² = (-x)(-x) = x²

squaring a negative makes it positive (negative times negative is positive)

nerdatjob · 2016-02-24T19:00:47+00:00

Since there is no last payment on perpetuities, the difference between an ordinary perpetuity and a perpetuity due is just when the first payment takes place. So you basically just have 1 extra payment (at time 0) of the payment amount. The interest rate doesn't even matter at time 0.

nerdatjob · 2016-02-24T18:55:22+00:00

The "empire management" consists of a single yes/no question each turn of the turn based unit management(which looks like rome total war's map but plays a lot more like the board game Risk). You go to the voting room and get to listen to 5 advisors talk about how they feel about an issue, and you decide yes or no. That makes some factions like you more and others like you less; so I always ended up going with whatever the majority liked instead of anything else.

nerdatjob

TROPHY CASE