Tuesday
June 18, 2013

Posts by christina


Total # Posts: 794

Stats.
The average age of a vehicle registered in the United States is 8 years, or 96 months. Assume the standard deviation is 16 months. If a random sample of a group of 48 vehicles is selected find the probability that the mean of the group’s age is between 90 and 100 months. ...

Physics....PLEASE HELP
A motorcycle has a constant acceleration of 2.13 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its speed from (a) 24.0 to 34.0 m/s, and (b) 54.0 to 64.0 m/s

physics
A model rocket blasts off from the ground, rising straight upward with a constant acceleration that has a magnitude of 91.9 m/s2 for 1.53 seconds, at which point its fuel abruptly runs out. Air resistance has no effect on its flight. What maximum altitude (above the ground) wi...

Math
If there are 51 students on a bus and 2/3 got off how many students got off the bus

Math
If there are 51 students on a bus and 2/3 got off how many students got off the bus

math
What weighs less 4.09 kilogram or 4.196 kilogram.

Pre-AP Science
an atom consists of 10 neutrons ,10 electrons,and 9 protons. The atom has gained an electron resulting in a charge of -1. What is its mass number?

math
hi i dont know the answer please help me

math
hi i dont know the answer please help me

julius caesar
The Roman crown will appear several times in the play. What is your impression of them in this scene? Cant figure this one help!!!!!!!

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