Thursday

January 19, 2017
Total # Posts: 6

**History**

I have written a paper on John D. Rockefeller and now I am stuck could someone please help me? What were the pros and cons of big business in the 19th Century? Do these pros and cons still exist today? Thanks so much for the help.

*December 20, 2009*

**Geology**

Hi, I looked over the information that you sent and here is what I came up with: For GOIL:The P arrival time was 3:47:14.6, the difference between P&S was 2.6 seconds and the distance was 37.3km. For POW: The P arrival time was 3:47:3.0, the S arrival time was 3:47:20.0, the ...

*August 17, 2009*

**Geology**

Can someone please help with this problem? I am a little confused. Where is the location of that June 19 quake (to the nearest tenth of a degree in latitude and longitude)? P arrival time S arrival time hours:minutes:seconds tenths of seconds LTN 3:46:45.7 3:46:50.0 ...

*August 17, 2009*

**Math**

How many 4-character license plates are possible with 2 letters from the alphabet followed by 2 digits, if repetitions are allowed? And no repetitions are allowed? Answer: If repetitions are allowed: 26*26*10*10=67,600 No repetitions are allowed: 26*25*10*9=58,500 Is this ...

*August 14, 2009*

**Math**

The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.m and 6p.m on Friday afternoons is 0,1,2,or 3 with probabilities of 0.84, 0.13, 0.02 and 0.01, respectively. What is the expected value for the random variable given the number of ...

*August 14, 2009*

**Math**

Did I do the problem right? Was the answer 676/2652? Thanks.

*August 13, 2009*

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