The average speed of a train, r, is found by dividing its distance traveled, d, by its time spent traveling, t. write a formula for the average speed of a train. then solve the formula for d.

Will give brainliest what is the value of x? enter your answer in the box.

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

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.