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The number of hours, t, that bacteria spread 10-fold can be modeled by the equation B(t) = B0(10)2t. There are 25 bacteria present initially and a biologist wishes to find out how many hours will elapse
answered
Oct 27, 2019
Mathematics
middle-school
5
votes
171k
views
What advance has occurred in liquid phase hybridization?
answered
Oct 15, 2019
Biology
high-school
5
votes
117k
views
New york was origanally part of witch colony?
answered
Sep 15, 2019
History
middle-school
4
votes
104k
views
Someone help me please! Thanks:)
answered
Aug 20, 2019
Advanced Placement (AP)
middle-school
3
votes
192k
views
Can I get an answer please
answered
May 10, 2019
Mathematics
middle-school
5
votes
134k
views
Use ΔDEF, shown below, to answer the question that follows What is the value of x rounded to the nearest hundredth? Type the numeric answer only in the box below
answered
Dec 20, 2018
Mathematics
high-school
4
votes
91.7k
views
Conner has 35 coins in his pocket, all of which are dimes and quarters. If the total value of his change is 575 cents, how many dimes and how many quarters does he have?
answered
Aug 7, 2018
Mathematics
high-school
4
votes
9.6k
views
Little Mrs. Sommers one day found herself the unexpected possessor of fifteen dollars. It seemed to her a very large amount of money, and the way in which it stuffed and bulged her worn old [pocketbook]
answered
Jul 8, 2018
English
high-school
5
votes
129k
views
_____ are cell parts where proteins are made. a. Mitochondria b. Ribosomes c. Nuclei d. Chromosomes
answered
Jun 20, 2018
Biology
high-school
5
votes
90.8k
views
A tree has 99,400 leaves before autumn. Once autumn begins, the number of leaves on a tree decreases at a rate of 13% per day. After t days of autumn, there are fewer than 12,000 leaves on the tree. Which
answered
May 16, 2018
Mathematics
high-school
5
votes
155k
views
Which of these does any well-written expository essay require? A. sensory details B. referenced source material C. persuasion D. personal information
answered
Apr 17, 2018
English
middle-school
4
votes
152k
views
A segment has endpoints with coordinates - 3 and 4. What is the coordinate of the segment's midpoint?
answered
Mar 16, 2018
Mathematics
high-school
7
votes
2.7k
views
What was found at Igbo ukwu?
answered
Mar 18, 2017
Arts
middle-school
2
votes
125k
views
All large modern economies have become mostly market economies because market economies provide ?
answered
Feb 19, 2016
History
high-school
6
votes
227k
views
1. Match them together. Deforestation, combustion, circulation, weathering, calcium carbonate A.the burning of fossil fuels to make energy B.the primary component of mollusk shells and coral skeletons
answered
Dec 24, 2015
Biology
middle-school
3
votes
212k
views
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