Aperson has 100 light bulbs whose lifetimes are independent exponential with mean 10 hours. if the bulbs are used one at a time, with a failed bulb being replaced immediately by a new one, approximate the probability that there is still a working bulb after 1050 hours.

Find the value of the cosine for angle a

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

What value of x is in the solution set of 4x – 12 s 16 + 8x?