Mr. and Mrs. Rivers left their house at 10:00 a. m. driving in opposite directions. Mr. Rivers drove at an average speed of 48 mph and Mrs. Rivers drove at an average speed of 36 mph. At what time will Mr. Rivers be 24 miles farther from home than Mrs. Rivers?
please answer

12 p.m.

Step-by-step explanation:

First we use the given data and we find that Mr. Rivers is 12 mph faster that Mrs. Rivers. We then find that we have to get a total of 24 miles, so we find that it has to be 2 hours. After 2 hours it will 12 p.m.

I hope this helped you!

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0