a certain number n has facters of 15 and 10. what is the fewest total number of positive factors that n cna have??
the odds of an event happening successfully are expressed as a:b, where a:b is the ratio of the probability of a succesfullly event to the probability of an unsuccesful event. The odds of roling a 5 on an unfair die are 1:3. What is the probability of rolling a 5 with this die? express you answer as a percent
2007-10-18 08:37:40 · 1 answers · asked by John the beast 2 in Science & Mathematics ➔ Mathematics
If you want help, please be polite enough to at least type your homework questions more or less correctly.
That said, n has to be a multiple of least common multiple of 15 and 10, namely 30. So the lowest value arises when n is exactly equal to 30. So count up its factors. It may help to note that they come in pairs -- 1 and 30, 2 and 15, and so on.
The answer to the second one is 1(1+3). Surely you can express that as a percentage.
2007-10-18 11:53:47 · answer #1 · answered by Curt Monash 7 · 0⤊ 0⤋