Posts by gerard

Total # Posts: 13

Maths
Hi I am new my friend told me to get help here.please can you help me by telling me an easy method to solve this. 9y+2x=

Chemistry
What is the molarity of a solution made by dissolving 2.00g of potassium chloride (KCl) in enough water to make 150 ml of solution?

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 ...

Physics
mass pf proton is 1.67x10^-27 kg

math
2.25%

math
1050

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 ...

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

statistics
Thanks

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 ...

pre algebra
my name is gerard

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.

science
what differences produce a variety of ecosystems?