Answer:
Step-by-step explanation:
Work out the Mean,
Then for every number, subtract the Mean and square the result.
Then work out the mean of those squared differences
and then take the square root of that.
This is the 2nd time I've posted this answer... not sure why it didn't go through the first time. Let me know if you have questions. :)
X=40 degree is the correct answer
Answer:
Divide the distance by the time and get average velocity in units of m/s. The direction is to the left.
Answer:
Sasha can look at the graph and check to see that when she plots the points on the graph, they end up as a straight line. She can also draw a table to test the values and see if when you divide y/x you get the same answer for all of them.
Step-by-step explanation:
