# Activity Stream

• Today, 01:34 AM
I am so sorry but that even made it complicated for me. sorry but I don't get it. I feel kinda dumb right now. haha. I just answered it the way I see...
12 replies | 104 view(s)
• Today, 01:29 AM
I did a very quick calculation on excel (I attached it in jpg format and sorry if you need if you can't really see it or just try.). the first column...
12 replies | 104 view(s)
• Today, 01:12 AM
I got help to get into Purdue University because whites are one of the minorities in the Quantum program. Asians were the majority. And boy oh boy...
15 replies | 239 view(s)
• Today, 12:59 AM
You do need 60/96. If you take a test and get 60 points out of 96, then what would you exact to get if the test was out of a 100 points. The answer...
12 replies | 104 view(s)
• Today, 12:56 AM
That's what I thought.
12 replies | 104 view(s)
• Today, 12:53 AM
I suspect that pka simply forgot that "none of the above" was an option. All the other numeric options were obviously wrong once you are looking at...
12 replies | 104 view(s)
• Today, 12:45 AM
This is at least true for some kids. Back in the early sixties, when I was a senior in high school taking an AP calculus course, the strongest boy in...
15 replies | 239 view(s)
• Today, 12:40 AM
oh yes sorry. sure. but I don't get why not bother saying 5/8 or 60/96. Can you explain it a bit more? thank you.
12 replies | 104 view(s)
• Today, 12:32 AM
nice one pka!
15 replies | 239 view(s)
• Today, 12:22 AM
Please don't give full solutions so quickly. It is better to let the OP try to figure it out themselves with hints. Thanks!
12 replies | 104 view(s)
• Today, 12:19 AM
I wouldn't bother saying 5/8 = 62.5%. We have 60/96, ie 60 out of 94 which is a bit more than half, so you expect to get a bit more than half of the...
12 replies | 104 view(s)
• Today, 12:05 AM
In Japan by grade six, students have a strong base in simple algebra.
15 replies | 239 view(s)
• Yesterday, 11:59 PM
As an old testing guy this question really puzzles me. Even having worked with the GRE this just does not seem usual unless it was a time waster. Oh...
12 replies | 104 view(s)
• Yesterday, 11:49 PM
A couple of subjects are e years, one pi years and the others are all irrational ages over 18.
14 replies | 126 view(s)
• Yesterday, 11:43 PM
I avoided this method, as it seems likely to be more algebra than the students taking the test would know; but the visual part of it is very nice....
15 replies | 239 view(s)
• Yesterday, 11:17 PM
@Vancouverron, I wish you had posted your result. I think the the solution is really simple. Suppose that \bf{\mathcal{s}} is the length of the...
15 replies | 239 view(s)
• Yesterday, 10:54 PM
excellent!
14 replies | 126 view(s)
• Yesterday, 10:42 PM
There are 96/2 = 48 evens and 48 odds in the interval. every even no. works (try) Among the odds, only those that make n + 1 divisible by 8...
12 replies | 104 view(s)
• Yesterday, 10:21 PM
Jomo replied to a thread Trapezoid Problem in Geometry and Trig
Whatever equation you have, simply divide by 5. This is a technique I use all the time to get something to look closer to what I want.
6 replies | 61 view(s)
• Yesterday, 10:18 PM
Jomo replied to a thread Trapezoid Problem in Geometry and Trig
Hmm, maybe use your teacher's hint?
6 replies | 61 view(s)
• Yesterday, 10:18 PM
Please at least state the problem clearly. Can you confirm that the problem is to prove a vector equation, not just a statement about lengths as you...
6 replies | 61 view(s)
• Yesterday, 10:15 PM
Okay. I've played with this and can't find a solution either. (Neither does my version of Mathematica.) However, I've a tiny suspicion there...
14 replies | 126 view(s)
• Yesterday, 10:12 PM
Are all of your subjects over 18? :roll: -Dan
14 replies | 126 view(s)
• Yesterday, 09:40 PM
Alright I'm starting with the AB = 2/3 DC and working from there but no matter what I seem to do I can never get a denominator of 5 and I seem to be...
6 replies | 61 view(s)
• Yesterday, 09:34 PM
How can we help you if you haven't told us what you need help with? I'll start you off. Copy the V-D that Dr P was nice enough to supply you with....
5 replies | 246 view(s)
• Yesterday, 09:18 PM
The bell-shaped curve has to be a histogram. You just plotted the individual values as a bar graph in increasing order, which is not the same.
2 replies | 24 view(s)
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