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A scientist counts 25 bacteria present in a culture and finds that the number of bacteria triples each hour. The function y = 25 ∙ 3x models the number of bacteria after x hours. Estimate when there will
answered
Apr 26, 2018
Mathematics
high-school
0
votes
226k
views
Brianna practices the piano 30 minutes each day what is the expression for the number of hours she practices in d days
answered
Jan 25, 2018
Mathematics
college
3
votes
200k
views
Solving for #15, I'm not sure how to complete it
answered
Jan 15, 2018
Mathematics
high-school
4
votes
179k
views
Factor this trinomial completely. 2x2 + 6x + 4 A. 2(x - 2)(x + 1) B. 2(x + 2)(x - 1) C. 2(x + 2)(x + 1) D. 2(x - 2)(x - 1)
answered
Dec 19, 2017
Mathematics
high-school
3
votes
189k
views
Which of the following people lives a lifestyle most similar to the Mongols' lifestyle before the rise of Genghis Khan? A. A doctor who splits his time between a local hospital and a remote office B. A
answered
Jun 21, 2017
History
high-school
3
votes
18.1k
views
What is the primary role of the respiratory system in living organisms? A.to make carbon dioxide B.to obtain oxygen C.to use up nitrogen D.to find hydrogen
answered
May 22, 2017
Physics
middle-school
1
vote
232k
views
Having trouble with how to solve questions like this: In a recent student government election, the ratio of students who voted for the winner to all the students who voted was 0.95 . The number of students
answered
Mar 6, 2017
Mathematics
middle-school
5
votes
70.0k
views
"TO the doctor who treated the raped baby and who felt such despair" explain the ways in which the title of this poem is unusual
answered
Jan 11, 2017
English
middle-school
7
votes
47.2k
views
The Anti-Federalists believed in a ____ interpretation of the Constitution. . ?
answered
Aug 21, 2016
History
high-school
4
votes
216k
views
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