Sam starts from point A at 8:00am and hikes up a mountain path. He arrives at the top, (point B) at 4:00pm. He camps there for the night and the following morning he starts his descent at 9:00am. He travels faster since he goes downhill and arrives at the bottom (point A) at 3...
If the measurement from the outer edge of the first board to the outer edge of the last board is 144 inches, then there would be 14 spaces between the boards, each measuring 3/8 inch. (14x3/8)+(15x9 1/4)= 144. Now if this section is in the middle of the boardwalk, there would ...
For BOD5 test 1) Why water samples needed dilution? 2)How to check the test accuracy? 3)Under what conditions, the water sample needs "seed"? anyone can help?please.
How to eliminate chloride interference up to the COD test?
I have two coins: a quarter and a nickel. The quarter has a bias of 1/4 for heads, and the nickel has a bias of 2/3 for heads. I flip each coin 10 times. What is the probability that I observe exactly five heads total? Some explanation of the solution would be appreciated.
i caught you
High School Geometry
I am have a hard time understanding how A and B can be No, but C can be Yes on this problem i.imgur (dot)com/rpJQDf3.png I thought that since AD is not perpendicular to the plane m then no lines shooting off of D onto the plane could be perpendicular.
Oh thanks Ms.Sue! :)
If a car traveled 168 miles in 3.5 hours, what was the average rate of speed?