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tkhunny
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tkhunny
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04-12-2005
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12:15 PM
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Today,
12:13 PM
tkhunny
replied to a thread
Electricity bill maths problem
in
Finance/Business Math
Bill + Tariff = Total_Bill Tariff = Bill * 11.6% Bill + (Bill * 11.6%) = Total_Bill Where are you confused?
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1 replies | 21 view(s)
Today,
12:22 AM
tkhunny
replied to a thread
Credit Card Interest Calculation: loan w/ 0% interest, but handling fee
in
Finance/Business Math
The EXACT methodology. Your disclosures do not contain it all. It is unlikely that you can confirm or deny ANY of the examples that have been...
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25 replies | 916 view(s)
Yesterday,
08:38 PM
tkhunny
replied to a thread
Can someone help me understand this please
in
Intermediate/Advanced Algebra
3) is good 4) L*x + x = x * (L + 1), not 2*L*x -- You missed your second chance at the distributive property.
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6 replies | 91 view(s)
Yesterday,
07:56 PM
tkhunny
replied to a thread
Please someone help me figure this out ive been stuck at it forever
in
Intermediate/Advanced Algebra
Well, that explains why you are struggling. If you don't know how to do something, LEARN, don't just say you can't do it. While we're at it, get...
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5 replies | 63 view(s)
Yesterday,
06:44 PM
tkhunny
replied to a thread
Please someone help me figure this out ive been stuck at it forever
in
Intermediate/Advanced Algebra
What steps did you already use? Completing the Square might be useful. Demonstrate. What do you mean by "inverse"? There might be more then one,...
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5 replies | 63 view(s)
Yesterday,
05:27 PM
tkhunny
replied to a thread
Can someone help me understand this please
in
Intermediate/Advanced Algebra
First, it isn't. You've a notation problem. Perhaps you mean "(1 + L)" on the far right, rather than just "1 + L". Grouping matters. Second, to...
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6 replies | 91 view(s)
Yesterday,
05:17 PM
tkhunny
replied to a thread
Simplifying this expression has me stumped
in
Intermediate/Advanced Algebra
If it is a limit problem, why are you substituting? Don't do that. Consider the limit, the approach. Sneak up on it. Personally, I would almost...
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3 replies | 57 view(s)
Yesterday,
05:06 PM
tkhunny
replied to a thread
Simplifying this expression has me stumped
in
Intermediate/Advanced Algebra
"...cancelling out (x - 3)" You have just tripped over the reason why this language is inadequate, confusing, and, in my opinion, forgettable. ...
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3 replies | 57 view(s)
Yesterday,
08:18 AM
tkhunny
replied to a thread
Advanced Integration Substituion Application Question
in
Intermediate/Advanced Algebra
1) You probably never should use the word "advanced". Mostly, this just makes you think it is somehow more difficult. 2) "Parent Function" Well,...
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7 replies | 144 view(s)
06-20-2018,
10:20 PM
tkhunny
replied to a thread
sine,sos, tan
in
Geometry and Trig
This is a difficult question to answers - mostly because it has no direction. What do you mean by "divide many of these function"? Is there a...
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1 replies | 74 view(s)
06-20-2018,
06:28 PM
tkhunny
replied to a thread
Geometry: What is the value of x?
in
Geometry and Trig
There are THREE proportional Right Triangles. Utilize this fact and show your best work.
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1 replies | 54 view(s)
06-20-2018,
06:25 PM
tkhunny
replied to a thread
Credit Card Interest Calculation: loan w/ 0% interest, but handling fee
in
Finance/Business Math
1) This all is insufficiently defined. You need MUCH better information. 2) There are infinitely many ways to proceed. Maybe only a couple...
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25 replies | 916 view(s)
06-20-2018,
06:20 PM
tkhunny
replied to a thread
Monte Carlo
in
Probability / Statistics
This is not well-defined. Can you provide three things, please... 1) The ENTIRE problem statement. 2) A Better translation. 3) Your best work...
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1 replies | 35 view(s)
06-20-2018,
06:09 PM
tkhunny
replied to a thread
Solving exponential problems without calculator
in
Intermediate/Advanced Algebra
Consider \left(2^{x}\right)^{3}. After that, worry about the sign of the exponent.
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2 replies | 48 view(s)
06-15-2018,
03:04 PM
tkhunny
replied to a thread
Logarithmic Equation Error
in
Calculus
It's not really clear what exactly is wanted... There are no restrictions on PV. The "restriction" is in the combination of parameters. For...
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1 replies | 79 view(s)
06-15-2018,
12:07 PM
tkhunny
replied to a thread
Quadratic equation
in
Beginning Algebra
Better yet, why don't you show us what you get when you substitute? We'll be happy to help you on your way.
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4 replies | 132 view(s)
06-15-2018,
12:05 PM
tkhunny
replied to a thread
Restrictions in Radical Equations
in
Intermediate/Advanced Algebra
Notice the idea of "look for". You may miss things. Some are more subtle than others. You may forget to divide by 2, somewhere. Always check you...
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7 replies | 277 view(s)
06-14-2018,
10:16 PM
tkhunny
replied to a thread
Credit Card Interest Calculation: loan w/ 0% interest, but handling fee
in
Finance/Business Math
Well, Dennis #1 $2,216.05 Dennis #2 $2,331.50 NLH $2,209.67 So, no. Different base for calculation of monthly interest.
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25 replies | 916 view(s)
06-14-2018,
07:03 PM
tkhunny
replied to a thread
Credit Card Interest Calculation: loan w/ 0% interest, but handling fee
in
Finance/Business Math
Here's a fun variation. Balance
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25 replies | 916 view(s)
06-14-2018,
05:26 PM
tkhunny
replied to a thread
Restrictions in Radical Equations
in
Intermediate/Advanced Algebra
Simple. That's called forgetting the "/2". My bad. Thanks for pointing that out. OP: Whoops, make that x = 1/2 as a possibly misleading result....
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7 replies | 277 view(s)
06-14-2018,
05:00 PM
tkhunny
replied to a thread
Credit Card Interest Calculation: loan w/ 0% interest, but handling fee
in
Finance/Business Math
Therein lies the problem. The "actual interest rate" is whatever is in the plan documents and disclosed by the lender. If you mean, the equivalent...
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25 replies | 916 view(s)
06-14-2018,
09:42 AM
tkhunny
replied to a thread
trigonometric identities
in
Geometry and Trig
?? It's an identity. Use it when necessary. There are three versions of \cos(2x). Learn to use all three. You can derive this one by yourself...
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2 replies | 74 view(s)
06-14-2018,
09:35 AM
tkhunny
replied to a thread
Restrictions in Radical Equations
in
Intermediate/Advanced Algebra
That's very good. I'm glad you are concerned about this issue. You should say what it is. There are multiple types of restrictions. Consider them...
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7 replies | 277 view(s)
06-12-2018,
04:05 PM
tkhunny
replied to a thread
Credit Card Interest Calculation: loan w/ 0% interest, but handling fee
in
Finance/Business Math
Not enough information. 1) 8/100 = 0.080 Effective in Arrears 2) 8/(100-8) = 0.087 Effective in Advance "handling fee and no interest" is...
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25 replies | 916 view(s)
06-11-2018,
05:41 PM
tkhunny
replied to a thread
Is 4a^3+5a always a multiple of 3 for positive integers?
in
Intermediate/Advanced Algebra
As for your "I am thinking" part, you'll need to prove it with just one example. Go!
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11 replies | 379 view(s)
06-11-2018,
05:39 PM
tkhunny
replied to a thread
Bond price calculation: coupon rate 10%, face value HK$20,000, div's paid annually
in
Finance/Business Math
I can't help you with the calculator. Never used one for this sort of thing. Cash Flow at time 1: 2000 -- You got that. Cash Flow at time 2:...
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1 replies | 102 view(s)
06-11-2018,
05:31 PM
tkhunny
replied to a thread
I just posted a question
in
Website Feedback
This is a moderated forum. Your first three posts won't appear until a moderator has approved them. After that, you can be a full citizen. ...
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2 replies | 132 view(s)
06-11-2018,
05:28 PM
tkhunny
replied to a thread
using infinity to use L'Hôpitals rule: lim[x->infty](3x^5-2x^3+4)/(3+x-4x^5)
in
Calculus
There is a reason why it does not make sense to you. Don't do that! It doesn't make sense to anyone when you do that. If x = 0, what is it all...
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1 replies | 219 view(s)
06-11-2018,
05:14 PM
tkhunny
replied to a thread
Continuity: Let W be the total oil reserves in year t... What are the units on dW/dt?
in
Calculus
Could you possibly give us a hint were you are with this? a, b, and c are lovely thought questions. What say you?
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1 replies | 95 view(s)
06-11-2018,
05:12 PM
tkhunny
replied to a thread
Unit 4 Derivatives of Exponential and Sinusoidal Functions Task
in
Calculus
Did you plot the points? What sort of equation did the plot suggest?
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2 replies | 152 view(s)
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About tkhunny
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About tkhunny
Location:
USA
Occupation:
Actuary
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"Unique Answers Don't Care How You Find Them." - Many may have said it, but I hear it most from me.
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