Mathematics, 19.09.2021 07:30 jayme2407
13. Battery life Does reducing screen brightness increase
battery life in laptop computers? To find out, research
ers obtained 30 new laptops of the same brand. They
chose 15 of the computers at random and adjusted
their screens to the brightest setting. The other 15 lap.
top screens were left at the default setting--moder
ate brightness. Researchers then measured how long
each machine's battery lasted. Is this an observational
study or an experiment? Explain your reasoning.
Answers: 1
Mathematics, 21.06.2019 15:30, izquierdohannah
David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.
Answers: 2
Mathematics, 21.06.2019 19:00, rodriguezzamyy
There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e
Answers: 1
13. Battery life Does reducing screen brightness increase
battery life in laptop computers? To fin...