For a short time after a wave is created by wind, the height of the wave can be modeled using y = a sin 2pi t/ t , where a is the amplitude and t is the period of the wave in seconds.
how many times over the first 5 seconds does the graph predict the wave to be 2 feet high? show your work
someone

Solve 30% of what = 60 step by step

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

The formula to determine energy is e=1/2mv2? what is the formula solved for v?