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• Today, 01:54 PM
tkhunny replied to a thread Calculating Averages in Arithmetic
Word of warning. An average of averages is unlikely to be what you want.
4 replies | 54 view(s)
• Today, 01:52 PM
Please plot this point on a set of coordinate axes. Which direction must you face in order to walk directly to the given point? Normally, an...
1 replies | 12 view(s)
• Yesterday, 11:30 PM
tkhunny replied to a thread newbie DE question in Calculus
Well, the differential equation itself tells you something about the nature of the function. Simply stating the equation, y" + y = 0 might mean...
6 replies | 115 view(s)
• Yesterday, 07:58 PM
tkhunny replied to a thread newbie DE question in Calculus
1) "plug in" doesn't mean anything. 2) This is the beauty of Differential Equations. You do not need to know the nature of the function to have a...
6 replies | 115 view(s)
• Yesterday, 07:55 PM
Perhaps just draw a box / grid. 1) Label the columns Concession / Other / Total 2) Label the rows Name Tags / Other / Total 3) Supply all the...
2 replies | 41 view(s)
• 05-22-2018, 08:57 PM
No, no. I didn't switch to the right problem. :-)
6 replies | 170 view(s)
• 05-22-2018, 12:32 PM
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...
6 replies | 170 view(s)
• 05-22-2018, 10:57 AM
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...
6 replies | 170 view(s)
• 05-21-2018, 08:46 PM
Please state, for us, the DEFINITION of a Geometric Sequence.
2 replies | 116 view(s)
• 05-21-2018, 08:44 PM
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 ...
3 replies | 71 view(s)
• 05-21-2018, 03:23 PM
...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?
5 replies | 129 view(s)
• 05-21-2018, 07:34 AM
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...
3 replies | 90 view(s)
• 05-21-2018, 07:32 AM
Of course it did. WHAT other integral?
8 replies | 153 view(s)
• 05-21-2018, 07:30 AM
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...
2 replies | 101 view(s)
• 05-20-2018, 05:41 PM
None taken. :-)
11 replies | 315 view(s)
• 05-19-2018, 05:55 PM
Kind of an offensive question. Yes, there is. Factor everything. Prime factorization. 10 = 2*5 Collect all the like factors and look at it...
11 replies | 315 view(s)
• 05-18-2018, 03:21 PM
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...
11 replies | 423 view(s)
• 05-18-2018, 10:47 AM
What have you tried? If nothing else pops out, at least recall that z = a+bi.
6 replies | 195 view(s)
• 05-18-2018, 10:10 AM
Think about BASES. \dfrac{1}{25} = 5^{What}
1 replies | 80 view(s)
• 05-17-2018, 02:32 PM
What were the results of your Integration by Parts?
8 replies | 153 view(s)
• 05-15-2018, 08:27 PM
Turtle Graphics!!! Seriously, you are a turtle. You are walking along the pipe. Your eyes look only straight forward. Extend the line of vision...
3 replies | 150 view(s)
• 05-15-2018, 08:18 PM
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"?...
11 replies | 423 view(s)
• 05-15-2018, 06:18 AM
Right. Logic and Algebra. Where is the "without" part?
30 replies | 1175 view(s)
• 05-14-2018, 09:00 PM
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...
5 replies | 168 view(s)
• 05-14-2018, 08:58 PM
What sort of help would you like. You must start somewhere. Proportion Dimensional Analysis
3 replies | 153 view(s)
• 05-14-2018, 09:45 AM
What do you mean by "understand"? Algebra is intended to make abstract concepts more manageable. The fact that the concept remains abstract is...
30 replies | 1175 view(s)
• 05-14-2018, 05:59 AM
Yes and yes.
30 replies | 1175 view(s)
• 05-13-2018, 09:48 PM
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...
6 replies | 195 view(s)
• 05-13-2018, 09:44 PM
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...
6 replies | 327 view(s)
• 05-13-2018, 07:50 PM
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?
6 replies | 327 view(s)
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