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Penicillin (an antibiotic that kills some bacteria) came into widespread use in the 1940s. by the 1990s, several different species of bacteria were already resistant to the effects of penicillin, and it
answered
Jun 15, 2019
Biology
high-school
5
votes
6.9k
views
A primary source of hydrocarbons is: petroleum natural gas coal rain forest materials
answered
Apr 15, 2019
Chemistry
high-school
3
votes
26.5k
views
Line r is parallel to line t. Find m angle 5 45 35 135 145
answered
Apr 8, 2019
Mathematics
college
2
votes
171k
views
Larry is a member of a law enforcement agency. His primary duties include investigating accidents that take place on the state’s roads and highways. Which type of law enforcement agency does Larry work
answered
Dec 22, 2018
Social Studies
high-school
3
votes
120k
views
The length of Segment CD is 11 inches and the length of Segment CF is 11 multiplied by the square root of 3 inches. What is the length of Segment DF? Round to the nearest tenth.
answered
Oct 21, 2018
Mathematics
high-school
5
votes
92.6k
views
Your local bakery charges $6.00 for one dozen of doughnuts. (One dozen is 12 doughnuts). If you purchase any number of doughnuts over one dozen, you will only have to pay $0.40 per doughnut. The total
answered
Aug 7, 2018
Mathematics
middle-school
6
votes
90.6k
views
While working out, a man performed 375 J of work in 11 seconds. What was his power?
answered
Mar 31, 2018
Physics
high-school
3
votes
227k
views
Dana bikes 10 mi in 50 min. At this rate, how far can she bike in 90 min?
answered
Mar 19, 2018
Mathematics
middle-school
5
votes
185k
views
Identify the domain of the exponential function shown in the following graph: A curve runs just above the x axis through the second quadrant, passes through point 0 comma 1 and continues off screen near
answered
Mar 7, 2018
Mathematics
middle-school
7
votes
139k
views
Vitamins are _____________, meaning that we must eat them daily.
answered
Nov 28, 2017
Health
high-school
3
votes
135k
views
The largest formal unit of geologic time is ______. a period an era an eon a century
answered
Mar 29, 2016
History
high-school
4
votes
106k
views
Pontius Pilate was the Roman governor of Judea during the time Jesus lived. According to Christian scriptures, what role did Pilate have in Jesus' life? Pilate allowed Jesus to be executed by Roman soldiers.
answered
Mar 2, 2016
History
high-school
4
votes
177k
views
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