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A biologist is researching a newly-discovered species of bacteria. He puts 1,000 bacteria into what he has determined to be a favorable growth medium. 12 hours later, he measures 12,500 bacteria. Assuming
answered
Feb 1, 2018
Mathematics
high-school
3
votes
66.8k
views
A speedboat travels from the dock to the first buoy, a distance of 20 meters, in 18 seconds. It began the trip at a speed of o m/s. By the time it reached the buoy, it was going 10 m/s. What was the average
answered
Jan 18, 2018
Physics
middle-school
5
votes
21.7k
views
You can represent the measures of an angle and its complement as x° and (90 − x)°. similarly, you can represent the measures of an angle and its supplement as x° and (180 − x)°. use these expressions to
answered
Oct 19, 2017
Mathematics
high-school
6
votes
109k
views
Hitting your head at 15 mph __________ a. has the same force of impact as being hit with a sledgehammer. b. will rarely cause injuries. c. has the same force of impact as being hit with a softball.
answered
Sep 15, 2017
Health
high-school
3
votes
141k
views
Jill’s front door is 42” wide and 84” tall. She purchased a circular table that is 96 inches in diameter. Will the table fit through the front door? Explain using approximations.
answered
May 21, 2017
Mathematics
middle-school
2
votes
222k
views
80% of what number is 94
answered
Apr 12, 2016
Mathematics
middle-school
5
votes
176k
views
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