Mathematics - 22 August 2006

The "letter level" of a number denotes how many letters it contains when written out. Hyphens and spaces do not count. What is the only number between 1 and 5,000 such that it is the only member of its letter level. (Also, you say one hundred, not a hundred)

2006-08-22 03:32:11 · 7 answers · asked by Anonymous

2006-08-22 02:59:55 · 6 answers · asked by sanu 2

2006-08-22 02:27:41 · 8 answers · asked by Anonymous

Compare your result with the prediction by displacement equation.

2006-08-22 02:10:16 · 4 answers · asked by Matthew B 2

10% of the goats in a farm died in a flood.40% of the remaining died due to disease.If 594 goats were alive,find the original number of goats in the farm.

2006-08-22 01:53:26 · 12 answers · asked by Anonymous

The tow events A and B have probabilities .3 and .7.
i. If A and B are independent, find P(A U B).
ii. If A and B are mutually exclusice, find the prob that neither A nor B occurs

I totally dont understand part ii. How can neither occur! one of thm has to occur dsnt it?

2006-08-22 00:09:58 · 5 answers · asked by de5tiny06 2