# Activity Stream

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• Today, 04:02 AM
mmm4444bot replied to a thread Ancient Crypt? in Math Odds & Ends
You got it. :cool:
5 replies | 212 view(s)
• Today, 01:03 AM
You're right. MathPapa led me to believe--erroneously--it wasn't.
2 replies | 42 view(s)
• Today, 12:19 AM
The range of a data set is the difference between the lowest and highest values (that is, how far it spreads). The stem-and-leaf plot was created...
1 replies | 20 view(s)
• Today, 12:09 AM
On google attachment, Gary has 58 of the total 312 months. 58/312 * 5 = .929487...or .93 rounded (as shown). It's that easy...unless I missed...
3 replies | 51 view(s)
• Yesterday, 11:51 PM
What's the range?
1 replies | 20 view(s)
• Yesterday, 10:36 PM
I have 3 equations: k1ek20 +k1 = 0 k1ek20.1 +k1 = 1 k1ek21 +k1 = 100 I have simplified the first equation to: k1 = -k3 and the second to:...
0 replies | 3 view(s)
• Yesterday, 09:45 PM
So, you've got the spreadsheet formula worked out, and you've expressed it in words; are you saying that for some reason you need it expressed so...
3 replies | 51 view(s)
• Yesterday, 09:27 PM
Actually it is factorable. What convinced you that it is not? But why does it have to be factorable? You can always solve the equation by the...
2 replies | 42 view(s)
• Yesterday, 09:21 PM
I made a little correction here so that we can see that your work isn't wrong. Of course, you have to finish and check: S+65=90 S = 25 ...
2 replies | 58 view(s)
• Yesterday, 08:46 PM
I assume you are using "**" to mean an exponent, so the problem is this: The maximum gas velocity V (in m/s) in a pipe is given by V =175 ...
5 replies | 87 view(s)
• Yesterday, 08:18 PM
This is the best way to see it, I think (though I'm not sure what you mean by "meet"); the fact that a solution is a family of functions, not just...
4 replies | 90 view(s)
• Yesterday, 08:11 PM
It is not just the options that are incorrect -- the figure itself is wrong! If CD = 15, then BD = 7.5 by the same sort of reasoning you...
1 replies | 42 view(s)
• Yesterday, 07:33 PM
A rectangular piece of copper is 6 inches longer than it is wide. To make a tray, a one-inch square is cut out of each corner and then the sides are...
2 replies | 42 view(s)
• Yesterday, 07:10 PM
Take two numbers, say 10 and 2. Is the distance between them 10+2 = 12 or 10-2 = 8?
2 replies | 64 view(s)
• Yesterday, 07:08 PM
Doe it ALWAYS produce 5%?
3 replies | 51 view(s)
• Yesterday, 06:12 PM
Hi all, I hope this is the right board to post this question! I have a spreadsheet that was forwarded to me, it has a couple of formulas for a...
3 replies | 51 view(s)
• Yesterday, 05:14 PM
**** see the error? Kick yourself :rolleyes:
2 replies | 58 view(s)
• Yesterday, 05:11 PM
Sorry, I don't understand what you're saying. Hope someone else will...
3 replies | 54 view(s)
• Yesterday, 03:22 PM
My question is about basic algebra. I am thinking about the "why" here and I'm looking for an intuitive answer. If you have the following...
2 replies | 58 view(s)
• Yesterday, 02:40 PM
See this question- I tried solving this question and I was able to find out the value of BF.I found it this way, First of all, construct EG...
1 replies | 42 view(s)
• Yesterday, 02:39 PM
Bro, I know it, This equation has the answer, and it is 6. I want to know how to solve it, not just estimating.
3 replies | 54 view(s)
• Yesterday, 02:27 PM
Geeshhh Ishuda....you've been missing for some 6 weeks... Btw, nobody missed you :rolleyes:
5 replies | 87 view(s)
• Yesterday, 02:23 PM
Geesshhhh...did you know that 9 mod 23 = 9? 11^a = 9 a = LOG(9) / LOG(11) Take over, Rover :cool: What is 30 mod 23?
3 replies | 54 view(s)
• Yesterday, 02:03 PM
WHOA!! Can you solve this system for a and b: 2a + 3b = 27 5a - b = 8
7 replies | 190 view(s)
• Yesterday, 01:48 PM
Only way to solve that is by brute strength, which means a looper program... Assuming that ST and WX are 2 digit numbers, and changing your...
1 replies | 68 view(s)
• Yesterday, 01:42 PM
Hi everyone. I am struggling with solving the following equation. 11^a=9 (mod 23) I know that we have to use logarithms here, but do not know...
3 replies | 54 view(s)
• Yesterday, 12:56 PM
As Dr.Peterson indicated, using units can sometimes make life easier when transforming from one system of units to another. For example, to convert ...
5 replies | 87 view(s)
• Yesterday, 12:34 PM
You are correct. I actually made a typo when I created this post. I was concentrating so hard on this LaTex stuff that I didn't double check my...
4 replies | 90 view(s)
• Yesterday, 12:30 PM
Thank you; your statements make complete sense. Here is an example equation: The maximum gas velocity V (in m/s) in a pipe is given by V =175...
5 replies | 87 view(s)
• Yesterday, 11:47 AM
Try u = e^{x} + 1. Please read and heed my signature. This has other implications, such as, if you get two different answers, one of them most...
4 replies | 90 view(s)
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