Posted by **ashley** on Wednesday, February 10, 2010 at 9:09pm.

The average number of radioactive particles passing through a counter during 1 millisecond in a lab experiment is 4. What is the probability that more than 2 milliseconds pass between particles?

- college -
**D**, Wednesday, February 10, 2010 at 9:28pm
One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.

- algebra -
**ashley**, Wednesday, February 10, 2010 at 9:45pm
x= shortest side

3x= side one

x+7 = third side

then you add all these together and set them equal to 62 and solve for x.

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