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tkhunny
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tkhunny
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Join Date
04-12-2005
Last Activity
Today
12:42 PM
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Today,
12:32 PM
tkhunny
replied to a thread
Probability problem
in
Probability / Statistics
Also an excellent lesson in paying attention. It only looked like 2/5 because someone tapped me on the shoulder and told me I was late for a...
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5 replies | 81 view(s)
Today,
10:57 AM
tkhunny
replied to a thread
Probability problem
in
Probability / Statistics
One must also get to the match. First, the Probability that there is a winner. Round 1 0 Round 2 1/2 Round 3 1/4 Round 4 1/8 ... Round n...
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5 replies | 81 view(s)
Yesterday,
08:46 PM
tkhunny
replied to a thread
Geometric sequence
in
Intermediate/Advanced Algebra
Please state, for us, the DEFINITION of a Geometric Sequence.
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2 replies | 65 view(s)
Yesterday,
08:44 PM
tkhunny
replied to a thread
Can anyone help?
in
Geometry and Trig
1) This is a moderated forum. Your first few posts won't appear until they have been approved by a moderator. 2) You should have learned ...
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2 replies | 53 view(s)
Yesterday,
03:23 PM
tkhunny
replied to a thread
Equation of a tangent line
in
Calculus
...except that "(6-2x)^1/2" doesn't mean anything. Is that supposed to be a function definition or just an expression floating in space?
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5 replies | 81 view(s)
Yesterday,
07:34 AM
tkhunny
replied to a thread
confusion over how √2√3 / 4 - √2 / 4 simplifies to √2(√3 - 1) / 4 (1st post here!)
in
Intermediate/Advanced Algebra
This principle is used twice: ab + ac = a(b+c) or this bd + cd = (b+c)d In each case, it is the Distributive Property of Multiplication over...
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3 replies | 82 view(s)
Yesterday,
07:32 AM
tkhunny
replied to a thread
Please help me solve this integral
in
Calculus
Of course it did. WHAT other integral?
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6 replies | 133 view(s)
Yesterday,
07:30 AM
tkhunny
replied to a thread
Installment loan APR: $260.00 loan w/ $100.00 finance charge; $60/mo paid for 6 mo's
in
Finance/Business Math
This is not a great question. We are not told if it is a Simple Interest loan, or otherwise. Monthly Compounding gives 219.80%. For Simple...
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2 replies | 66 view(s)
05-20-2018,
05:41 PM
tkhunny
replied to a thread
solve eqn w/ variable in exponent using logarithms: 10*2^x - 8*5^(x-2) = 0
in
Intermediate/Advanced Algebra
None taken. :-)
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11 replies | 308 view(s)
05-19-2018,
05:55 PM
tkhunny
replied to a thread
solve eqn w/ variable in exponent using logarithms: 10*2^x - 8*5^(x-2) = 0
in
Intermediate/Advanced Algebra
Kind of an offensive question. Yes, there is. Factor everything. Prime factorization. 10 = 2*5 Collect all the like factors and look at it...
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11 replies | 308 view(s)
05-18-2018,
03:21 PM
tkhunny
replied to a thread
Payout Annuity Problem: Jim won jackpot of $15 million
in
Finance/Business Math
This my or may not be an appropriate determination. Without quite a bit of classroom discussion, that you didn't share with us, "Guessed Right" might...
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11 replies | 408 view(s)
05-18-2018,
10:47 AM
tkhunny
replied to a thread
help with complex numbers: Solve z^3 + 3i z-bar = 0
in
Intermediate/Advanced Algebra
What have you tried? If nothing else pops out, at least recall that z = a+bi.
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6 replies | 163 view(s)
05-18-2018,
10:10 AM
tkhunny
replied to a thread
Exponential equation: Solve 5^(1/x) < 1/25
in
Intermediate/Advanced Algebra
Think about BASES. \dfrac{1}{25} = 5^{What}
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1 replies | 71 view(s)
05-17-2018,
02:32 PM
tkhunny
replied to a thread
Please help me solve this integral
in
Calculus
What were the results of your Integration by Parts?
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6 replies | 133 view(s)
05-15-2018,
08:27 PM
tkhunny
replied to a thread
Converting XYZ Coordinates to LRA (Length Rotation Angle) Values
in
Geometry and Trig
Turtle Graphics!!! Seriously, you are a turtle. You are walking along the pipe. Your eyes look only straight forward. Extend the line of vision...
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3 replies | 147 view(s)
05-15-2018,
08:18 PM
tkhunny
replied to a thread
Payout Annuity Problem: Jim won jackpot of $15 million
in
Finance/Business Math
You have not adequately defined the problem. 1) What are "take-home winnings"? Isn't it just $11¼ million? 2) How do you define "total worth"?...
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11 replies | 408 view(s)
05-15-2018,
06:18 AM
tkhunny
replied to a thread
how to set this up? 3mph walking away; 6mph running back; 30 min total time; find d
in
Intermediate/Advanced Algebra
Right. Logic and Algebra. Where is the "without" part?
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30 replies | 1163 view(s)
05-14-2018,
09:00 PM
tkhunny
replied to a thread
Need urgent help w/ "If x = t/1-t and y = t2/1-t, find dy/dx in terms of t..."
in
Calculus
Are you sitting for the exam right now?! You must start with knowing that t/1-t is NOT the same as t/(1-t). Likewise, t2/1-t is NOT the same as...
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5 replies | 168 view(s)
05-14-2018,
08:58 PM
tkhunny
replied to a thread
I cant figure out how to solve: If you earn $200 every 2.5 minutes, how long...?
in
Arithmetic
What sort of help would you like. You must start somewhere. Proportion Dimensional Analysis
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3 replies | 152 view(s)
05-14-2018,
09:45 AM
tkhunny
replied to a thread
how to set this up? 3mph walking away; 6mph running back; 30 min total time; find d
in
Intermediate/Advanced Algebra
What do you mean by "understand"? Algebra is intended to make abstract concepts more manageable. The fact that the concept remains abstract is...
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30 replies | 1163 view(s)
05-14-2018,
05:59 AM
tkhunny
replied to a thread
how to set this up? 3mph walking away; 6mph running back; 30 min total time; find d
in
Intermediate/Advanced Algebra
Yes and yes.
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30 replies | 1163 view(s)
05-13-2018,
09:48 PM
tkhunny
replied to a thread
Probability- Aeroplane seats: know that Boeing 737-700 has 102 seats in economy class
in
Probability / Statistics
1) Do you observe that the first and last are EXACTLY the same problem? 1 - p(all separated) = p(someone sits with a friend) 2) This is a lot like...
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6 replies | 193 view(s)
05-13-2018,
09:44 PM
tkhunny
replied to a thread
I need help making a math puzzle to win contest for 3D printer
in
Math Odds & Ends
2) Surely I was joking. 1) At first glance, it looks too easy. a) Don't you just have to use addition until you can use subtraction? b) Can't...
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6 replies | 315 view(s)
05-13-2018,
07:50 PM
tkhunny
replied to a thread
I need help making a math puzzle to win contest for 3D printer
in
Math Odds & Ends
1) I'm thinking you haven't defined the purpose or goal of the additions or subtractions. 2) Will you share the winnings if you get enough help?
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6 replies | 315 view(s)
05-13-2018,
07:47 PM
tkhunny
replied to a thread
Probability- Aeroplane seats: know that Boeing 737-700 has 102 seats in economy class
in
Probability / Statistics
Yup. That's a good problem. What are your thoughts?
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6 replies | 193 view(s)
05-13-2018,
09:58 AM
tkhunny
replied to a thread
Choosing pivot column on simplex method when there are same values
in
Probability / Statistics
Personally, if there were two identical pivot possibilities, I would do it both ways and see if it makes a difference in this case. Then, you can...
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1 replies | 102 view(s)
05-12-2018,
09:21 PM
tkhunny
replied to a thread
how to set this up? 3mph walking away; 6mph running back; 30 min total time; find d
in
Intermediate/Advanced Algebra
My additional point, though unspoken, is to be able to be so thorough and so complete and so organized that you NEVER have to say, "I have no idea...
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30 replies | 1163 view(s)
05-11-2018,
06:14 AM
tkhunny
replied to a thread
how to set this up? 3mph walking away; 6mph running back; 30 min total time; find d
in
Intermediate/Advanced Algebra
It is repaired. No more e-accent. Minutes, hours? It makes no difference. Just be consistent. Get the units right and a lot of things just...
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30 replies | 1163 view(s)
05-11-2018,
06:10 AM
tkhunny
replied to a thread
Complete the Table of Values using Differntial Equation: find dy/dx = xy/3, given x,y
in
Calculus
Have you considered calculating xy/3 for each combination of x and y?
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2 replies | 121 view(s)
05-10-2018,
08:03 PM
tkhunny
replied to a thread
how to set this up? 3mph walking away; 6mph running back; 30 min total time; find d
in
Intermediate/Advanced Algebra
More useful answer: 1) What are the units on 'x'? 2) What are the units on '30'?
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30 replies | 1163 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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Last Activity
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12:42 PM
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