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• 02-20-2018, 10:47 PM
Thank you so much for spending lots of time trying to work out this hard question for me. But now I see how to work it out with the help of yma16. ...
15 replies | 392 view(s)
• 02-20-2018, 10:43 PM
Thank you very much for your help. Initially, I found your explanation on your notes hard to understand, but eventually I was able to follow...
15 replies | 392 view(s)
• 02-20-2018, 10:39 PM
Thank you for your help. I did not know that this has come from a website. With the help of yma16, I was able to figure out how to work it out, but...
15 replies | 392 view(s)
• 02-20-2018, 01:16 AM
Please find the attached file and look at the diagram of a triangle. As you can see, we need to find the size of the angle marked "x" (i.e. angle...
15 replies | 392 view(s)
• 02-17-2018, 04:12 AM
No, I did not look at the wrong answer. I double and triple checked it and the text says clearly that the answer is 9/30. It is written in...
2 replies | 165 view(s)
• 02-15-2018, 08:18 PM
The questions are as follows: On a shelf there are 4 different mathematics books and 8 different English books. i) The books are to be arranged...
2 replies | 165 view(s)
• 02-15-2018, 07:41 PM
Thank you very much for your help. Now I see how to work it out properly. As you say, the probability of success is not constant, so we need to...
2 replies | 144 view(s)
• 02-15-2018, 01:25 AM
The question that I have problem is: Peta deals with a hand of 10 cards from a well-shuffled pack of ordinary playing cards. Show that the...
2 replies | 144 view(s)
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