# Posts by gerard

Total # Posts: 11

**Physics**

In mud buggy driving, people attempt to drive an off road vehicle over a deep mud puddle. If the buggy stops before the end, it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line . when he hits the edge of the ...

*September 18, 2016*

**Physics**

mass pf proton is 1.67x10^-27 kg

*February 26, 2016*

**math**

2.25%

*July 5, 2012*

**math**

1050

*July 5, 2012*

**Stats and Data**

It is a simple problem, but if you are not at ease with conditional density functions one soon gets confused. The first thing you need to do is to introduce a second (discrete) random variable, Y, that represents the choice of the machine. So Y can take on values 1 and 2 and ...

*December 2, 2010*

**Physics**

A spherical mooring buoy 36cm in diameter with a mass of 43 kg is fastened to a cleat on the top ofthe sea wall by a 50 cm long line, as shown. The force against the sea wall is a. 73N b.87N c. 104N d.116N e. None of these

*November 18, 2010*

**statistics**

Thanks

*July 20, 2010*

**statistics**

1.On a test the mean is 75 and the standard deviation is 5. A. What is the probability that a randomly selected score is higher than 80? B. What percentage of the students scored higher than 80? C. What percentage of the scores were less than 68? D. What score separates the ...

*July 20, 2010*

**pre algebra**

my name is gerard

*June 20, 2010*

**science**

the types of plants and animals that live in a particular what depends on the water, soil and amount of sunlight the area receives.

*April 25, 2010*

**science**

what differences produce a variety of ecosystems?

*April 25, 2010*

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