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tkhunny
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tkhunny
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04-12-2005
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09:02 AM
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07-26-2017,
05:00 PM
tkhunny
replied to a thread
Geometry Problem
in
Geometry and Trig
First, convert every measurement to feet. Second, show your best efforts, please. Third, Are you sure we have all the necessary information?
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8 replies | 145 view(s)
07-26-2017,
04:58 PM
tkhunny
replied to a thread
Strange math problem?
in
Advanced Math
Yes. But this isn't a consulting service. You'll have to show us your best efforts, first.
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5 replies | 113 view(s)
07-26-2017,
04:57 PM
tkhunny
replied to a thread
From ASTM Standard Materials Testing Methods
in
Intermediate/Advanced Algebra
That's a good observation. It depends on what you want and how it will be used. This is a ratio, \dfrac{Moisture}{Dry Substrate}.
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2 replies | 93 view(s)
07-26-2017,
12:25 PM
tkhunny
replied to a thread
Graph sketch problem.
in
Calculus
Awesome. Let's see what you managed and we can suggest how to take you to the next step.
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5 replies | 99 view(s)
07-26-2017,
12:23 PM
tkhunny
replied to a thread
finding domain and range?
in
Beginning Algebra
Nice. Now, decide which of your items of interest is associated with the x-axis and which with the y-axis. Hint: Does any valueless than zero (0)...
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3 replies | 117 view(s)
07-25-2017,
11:31 PM
tkhunny
replied to a thread
Can simple interest be calculated semi annually
in
Finance/Business Math
Or is it a loan and you must pay the 7.5% semi-annually so the balance remains unchanged?
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3 replies | 91 view(s)
07-25-2017,
11:29 PM
tkhunny
replied to a thread
Graph sketch problem.
in
Calculus
Have you considered the first two derivatives?
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5 replies | 99 view(s)
07-25-2017,
12:46 PM
tkhunny
replied to a thread
Getting Started with the Remainder Theorem
in
Intermediate/Advanced Algebra
How do you determine the Remainder if you do NOT know that it has anything to do with P(r)?
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4 replies | 78 view(s)
07-25-2017,
12:44 PM
tkhunny
replied to a thread
Checking the expected value of normal distribution
in
Probability / Statistics
Well, 1 - F(0) is okay, but it's a little silly. If it's from a Normal Distribution, F(0) = 1/2.
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1 replies | 83 view(s)
07-25-2017,
12:42 PM
tkhunny
replied to a thread
Finding zeros(dimensions) of a box using the rational zero theorem
in
Intermediate/Advanced Algebra
That's where you are wrong. The Width is "w". You just said so.
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10 replies | 241 view(s)
07-25-2017,
12:40 PM
tkhunny
replied to a thread
Waterslide Ramp Angle
in
Calculus
You'll have to show a picture of your design. You CAN'T ignore ramp resistance without wheels or ice. We're not a consulting service. Please...
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1 replies | 59 view(s)
07-25-2017,
09:02 AM
tkhunny
replied to a thread
Finding zeros(dimensions) of a box using the rational zero theorem
in
Intermediate/Advanced Algebra
What is the width? If you don't know, just call it something so you can talk about it. "w" is pretty popular. Okay, that's about half the work...
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10 replies | 241 view(s)
07-25-2017,
08:57 AM
tkhunny
replied to a thread
Modifying the curve of Exp. Growth
in
Calculus
It was just a question. No pardon required.
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4 replies | 84 view(s)
07-24-2017,
10:42 PM
tkhunny
replied to a thread
I need help helping me understanding something.
in
Beginning Algebra
Please read my signature. This answers your question. Just don't make any mistakes, however you choose to proceed.
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2 replies | 86 view(s)
07-24-2017,
10:40 PM
tkhunny
replied to a thread
Optimization Problem: fuel tank for fighter jet that will hold 300 liters of jet fuel
in
Calculus
Whoa!! How did we get back down to 300? We need cc, not l. Your costs are in cm^2.
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13 replies | 231 view(s)
07-24-2017,
10:36 PM
tkhunny
replied to a thread
Modifying the curve of Exp. Growth
in
Calculus
Is this part of your business plan? Looks a lot like cheating. Why not try an Exponential, rather than the Power function you have defined?
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4 replies | 84 view(s)
07-24-2017,
10:34 PM
tkhunny
replied to a thread
How do I solve this problem
in
Intermediate/Advanced Algebra
You need to show us YOUR work. Try something. You can't break it. Some folks hate fractions. Such should first multiply by 3 or 9. There are...
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8 replies | 167 view(s)
07-24-2017,
10:24 PM
tkhunny
replied to a thread
What is 8/2(2+2)? I believe it's 16 but my friends say it's 1.
in
Pre-Algebra
"unambiguous" requires sound understanding. I recall a class of 30 college juniors of mathematics. TWO very long problems with ONLY simple...
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10 replies | 2484 view(s)
07-24-2017,
04:47 PM
tkhunny
replied to a thread
Optimization Problem: fuel tank for fighter jet that will hold 300 liters of jet fuel
in
Calculus
Looks to me like arithmetic and organization will help the most. I'm quite curious why you chose to report the expression for h BEFORE your formula...
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13 replies | 231 view(s)
07-24-2017,
10:52 AM
tkhunny
replied to a thread
What is 270% of 250.
in
Pre-Algebra
You'll have to provide and example of a diagram for this purpose. 100% of 250 is 250 = 250 * 100% = 250 * 1 200% of 250 is 500 = 250 * 200% = 250...
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5 replies | 214 view(s)
07-24-2017,
09:19 AM
tkhunny
replied to a thread
Calculating Volume of large parcel.
in
Arithmetic
12" is NOT 3.048m - Check that value. 10 * 1.2192 * 0.3048 * 0.3048 = 1.1326 -- Round to 1.13 If you fail to retain intermediate values to...
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3 replies | 196 view(s)
07-24-2017,
09:09 AM
tkhunny
replied to a thread
Chinese Postman problem, with all odd nodes
in
Advanced Math
Okay, let's see your results. We'll be delighted to comment.
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3 replies | 240 view(s)
07-23-2017,
02:24 PM
tkhunny
replied to a thread
How is my inheritance divided properly
in
Arithmetic
Try repaying the loan, first. This increases the value of the estate and the 5-way division is obvious. Start Dad $10,000 Debtor: 1000 K2: 0...
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5 replies | 231 view(s)
07-23-2017,
02:19 PM
tkhunny
replied to a thread
y = 1 + a1/(x-a1) + a2/((x-a1)(x-a2)) + a3/((x-a1)(x-a2)(x-a3)) then dy/dx ...
in
Calculus
You'll have to show us how you got there. Where did a3 go?
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2 replies | 72 view(s)
07-23-2017,
02:16 PM
tkhunny
replied to a thread
Mean Value Theorem: Verify that f(x)=sin(x) on [0,π/2) satisfies the hypothesis
in
Calculus
...and please work on your notation. I doubt you mean f(b) - f(a) / b-a. I'm guessing you mean /. Inline typing is NOT the same as textbook...
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5 replies | 259 view(s)
07-23-2017,
02:14 PM
tkhunny
replied to a thread
coordinate geometry: help finding square vertices
in
Geometry and Trig
You must now decide the relationship between your two points. Are they points that define a single side or are they opposite points? Either way,...
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13 replies | 491 view(s)
07-22-2017,
07:34 PM
tkhunny
replied to a thread
nth term formula for pattern
in
Beginning Algebra
Why not make another row: Number of Distinct Points on the Circle.
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3 replies | 160 view(s)
07-22-2017,
07:31 PM
tkhunny
replied to a thread
Inscribed Circle and Area of Square
in
Geometry and Trig
Draw a radius from the center of the Circle, to the right. Ponder the Pythagorean Theorem.
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1 replies | 65 view(s)
07-21-2017,
02:20 PM
tkhunny
replied to a thread
Integration by u substitution doubts: ∫ 1 / (2x2 + 1) dx
in
Calculus
For starters, you should realize that 1 / x^2 + 1 = \dfrac{1}{x^{2}}+1, and is likely not what you had in mind. Second, use your actual definition...
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1 replies | 125 view(s)
07-21-2017,
02:19 PM
tkhunny
replied to a thread
Odds in 53x2 game
in
Probability / Statistics
1) Why do you believe it to be 6% 2) Parts per 100? Let's see what you get.
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2 replies | 175 view(s)
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About tkhunny
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About tkhunny
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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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