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• Today, 21:33
The region $R$ is a rectangle having the vertices: (0,1),\,(1,1),\,(1,-1),\,(0,-1) One way we can compute the volume is: ...
4 replies | 53 view(s)
• Today, 19:41
MarkFL replied to a thread logs in Pre-Algebra and Algebra
Okay, we are given: \ln\left(x-\frac{1}{x}-3\right)=2 Converting from logarithmic to exponential form, we have: x-\frac{1}{x}-3=e^2 ...
1 replies | 15 view(s)
• Today, 15:26
As for the $\LaTeX$, look under the "Calculus/Analysis" section of our Quick $\LaTeX$ tool. You will find it, which gives the code: ...
4 replies | 53 view(s)
• Today, 15:07
I would certainly agree that this is a problem. Standardized tests are only so valuable. Some of them are worth keeping, but it's never worth the...
9 replies | 94 view(s)
• Today, 15:00
My attempt: I use Alberts hint. Please cf. the attached diagram. The conditions given are: $(1).$ Each of the 9 scholars speaks at...
2 replies | 144 view(s)
• Today, 10:48
MarkFL replied to a thread The Fonz and Geometry in Chat Room
Yes, and I was just pointing out that there can be other reasons a student fails besides lack of innate ability to understand the material, or an...
5 replies | 63 view(s)
• Today, 10:18
MarkFL replied to a thread The Fonz and Geometry in Chat Room
If a child's parents consistently put a child down, then I think this can have negative consequences on the child. I think there are a great many...
5 replies | 63 view(s)
• Today, 09:20
I think everyone is capable of some capacity with numbers, and should attain what they can. (The same goes for words, of course.) I think some of the...
9 replies | 94 view(s)
• Today, 09:14
Ackbach replied to a thread Solar Eclipse 2017 in Chat Room
It was a very fun event to witness. I took the afternoon off from work. While we did get, as Mark mentioned, about 92% coverage, it was quite enough...
8 replies | 233 view(s)
• Yesterday, 23:16
I disagree. I believe what I wrote is one valid scenario where a student may be "afraid" of word problems, together with one valid remedy. You cannot...
9 replies | 94 view(s)
• Yesterday, 23:08
I disagree with this...I think it is the societal attitude that it's okay to fail at math that is part of the problem. Someone says to their friends,...
9 replies | 94 view(s)
• Yesterday, 22:29
I concur. $$P(A)=2\cdot\frac{10\choose3}{20\choose3}=\frac{4}{19}$$ This method also gives the same result for your second example.
5 replies | 51 view(s)
• Yesterday, 22:23
If we have 2000 people, 300 of which are women, then the probability that all 300 women will be on the same team is given by: P(A)=\frac{{1700...
5 replies | 51 view(s)
• Yesterday, 22:01
I think your second method is correct. Suppose we call the teams $X$ and $Y$...and now we need only look at one team, so let's look at team $X$. If...
5 replies | 51 view(s)
• Yesterday, 21:24
Hello and welcome! Some of the threads in this forum - ones that are formula (MathJax) specific - have been moved to the Math Formulas (MathJax)...
0 replies | 21 view(s)
• Yesterday, 21:09
That's a broad statement - it's just not true. Some students struggle with word problems. Why? Lack of confidence is one reason. More practice is one...
9 replies | 94 view(s)
• Yesterday, 19:04
MarkFL replied to a thread Solar Eclipse 2017 in Chat Room
Yesterday during the big event, we had pervasive heavy cloud cover and intermittent rain. Today, sunny and clear all day. Story of my life...(Giggle)
8 replies | 233 view(s)
• Yesterday, 10:17
7. To find the area of a triangle, you can use two sides and the angle between them. As the three angles in a triangle add to $\displaystyle... 2 replies | 43 view(s) More Activity 21 Visitor Messages 1. Have a wonderful, happy, healthy birthday now and forever! 2. Happy Birthday, topsquark!!! 3. Hey Topsquark! Think you could check my quantum physics question? Thanks! 4. so he just kept posting the same thing over and over??? dam. ban him and say it was a mistake. like you did with nycmath. that one was sooo funny lol because i always thought he was annoying 5. i was reading the thread by alexchan on mhf "I'm sorry for before action. Hopefully, we can continue to discuss." did u delete the original thread? because now I HAVE TO know what he got in trouble for. tell meeeee dan pleeeeaaase. 6. hiiiiiiiiiii a few of us have been talking about it since yesterday. come to mathhelpboards.com/chat/ that place needs ur funnyness!!!! 7. The last ten digit is 8000000018 but not 6795421006 because$44!+9= 2658271574788448768043625811014615890319638528000000018 \ne 2658271574788448768043625811014615890319638526795421006\$.
8. Hey Dan, so, you are now 44! (44 factorial + 9 days) old? Hehehe...
9. Happy Birthday Dan!!
10. Hey Dan...Happy Birthday, you crusty old curmudgeon!
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