Friday

April 18, 2014

April 18, 2014

Number of results: 1,288

**Pre Cal**

A certain strain of bacteria divides every four hours. If a colony is started with 10 bacteria, then the time t (in hours) required for the colony to grow to N bacteria is given by t = 4(log(N/10)/log2 Find the time required for the colony to grow to one million bacteria. (...
*Monday, February 13, 2012 at 11:06pm by Melek*

**Calculus**

Two bacteria colonies are cultivated. The first colony has a doubling time of 2 hours and the second a doubling time of 3 hours. initially, the first colony contains 1,000 bacteria and the second colony 3,000 bacteria. At what time t will sizes of the colonies be equal? Is ...
*Sunday, December 6, 2009 at 3:29am by Mark*

**Calculus**

A colony of bacteria is grown under ideal conditions in a laboratory so that the population increases exponentially with time. At the end of 2 hours, there are 4,800 bacteria. At the end of 4 hours, there are 19,00 bacteria. How many bacteria were present initially?
*Thursday, January 3, 2013 at 3:24pm by Oj*

**math**

Bacteria are growing in a circular colony one bacterium thick. the bacteria are growing at a constant rate, making the area of the colony increase at a rate of 12mm^2 per hour. How fast is the radius changing when the radius is 3mm?
*Saturday, January 1, 2011 at 6:20pm by stephen*

**math modeling**

At 3a.m., there is a colony of 736 bacteria, and it is growing at a continuous hourly rate of 10.77%. How many bacteria are there at 7p.m.? Round your answer to the nearest whole number of bacteria.
*Tuesday, October 25, 2011 at 4:08pm by math *

**math**

A colony of bacteria is growing in a petri dish which has a maximum capacity of 100mg. The mass of bacteria is increasing at a rate given by the logistic equation. Initially there is 2mg of bacteria and the rate of increase is 1mg per day.
*Friday, February 21, 2014 at 3:56am by Sam*

**Pre-Calc (exponential growth)**

A COLONY OF BACTERIA IS GROWN UNDER IDEAL CONDITIONS IN A LAB SO THAT THE POPULATION INCREASES EXPONENTIALLY WITH TIME. At the end of the three hours, there are 10,000 bacteria. At the end of the 5 hours, there are 40,000 bacteria. How many bacteria were present initially? I ...
*Sunday, March 28, 2010 at 6:55pm by Phillip*

**calculus**

A colony of bacteria is growing exponentially, increasing in size from 200 to 500 cells in 100 minutes will it take the colony to double in size?
*Monday, April 9, 2012 at 2:53pm by patty*

**math**

A colony of bacteria is growing exponentially, increasing in size from 200 to 500 cells in 100 minutes will it take the colony to double in size?
*Monday, April 9, 2012 at 6:55pm by Patty*

**Math- Alg 2**

A colony of bacteria is growing exponentially according to the function below, where T is in hours. How many bacteria are there after 7 hours? B(T)= 4*e^(0.8)T
*Thursday, January 26, 2012 at 10:52pm by Karen*

**SCIENCE**

A colony of bacteria is made up of (5) cells. Asuuming that no cells die and that every cell divides, how many cells will there be in the colony after four divisions? a 20 b 80 c 160 d 625 I'm thinking its b.
*Wednesday, June 2, 2010 at 7:27pm by Anonymous*

**Calculus - Related Rates**

Bacteria are growing in a circular colony one bacterium thick. The bacteria are growing at a constant rate, thus making the area of the colony increase at a constant rate of 12 mm sq. per hour. Find an equation expressing the rate of change of the radius as a function of the ...
*Sunday, November 29, 2009 at 5:42pm by Joel*

**biology**

Would you expect the fraction of bacteria that are spontaneous rifampin resistant mutants to be higher or lower in a culture that: you had propagated many times or one you had just started from a single colony of sensitive bacteria? Why?
*Sunday, October 23, 2011 at 4:45pm by AKASHA*

**alg2\trig**

a colony of 300 bacteria doubles each day. write an explicit formula to determine how many bacteria there would be on the nth day. how would you do this?
*Tuesday, January 31, 2012 at 8:09pm by jessica*

**7th grade math**

bacteria live in groups called colonies, colonies are usally cricler. yhe diameter of a particular bacteria colony is 20mm. the circumference of a circle is equal to 3.14 times its diameter c=(3.14)d.
*Monday, March 5, 2012 at 3:45pm by latiya*

**Math**

I'm not sure how to do this question 7. The growth of bacteria in culture can be described by the equation N1 = N0e' where N is the number of bactena at any time t, No is the initial number of bacteria, and k is a constant. The time taken for growth to double the number of ...
*Tuesday, December 15, 2009 at 7:55am by amelia*

**genetics/biology**

Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to neomycin, however, when Bacteria Y is placed in a mixture with Bacteria Z, Bacteria Z also gains neomycin resistance. One cell of Bacterium Y undergoes ...
*Friday, November 7, 2008 at 1:20am by bebe*

**genetics/biology**

Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to neomycin, however, when Bacteria Y is placed in a mixture with Bacteria Z, Bacteria Z also gains neomycin resistance. One cell of Bacterium Y undergoes ...
*Friday, November 7, 2008 at 11:00am by bebe*

**tofu**

does tofu have any naturally occuring bacteria in it? When I incubated the tofu juice, a white bacteria grew, but I can't find any information stating what it might be. It should not have an "natural" bacteria in it. Bacteria are not used in the production process. Tofu is an ...
*Friday, December 1, 2006 at 6:05pm by Christine*

**AP US History**

I am doing a report on the Connecticut River Valley colony for history. I am supposed to be a surveyor in the first half of the 18th century and i am supposed to tell the advantages and disadvantages the the colony would be. I am supposed to include things like the habitat of ...
*Saturday, September 26, 2009 at 9:43am by anonymous*

**Microbiology**

Four questions ... 1) How can you account for the observation that a mass or colony of bacteria shows pigmentation while the individual cells have transparent cytoplasm? 2) What factors may alter the expression of the cultural characteristics of bacteria? 3) Before doing a ...
*Tuesday, March 25, 2008 at 10:50pm by Cherie*

**Microbiology**

Four questions ... 1) How can you account for the observation that a mass or colony of bacteria shows pigmentation while the individual cells have transparent cytoplasm? 2) What factors may alter the expression of the cultural characteristics of bacteria? 3) Before doing a ...
*Thursday, March 27, 2008 at 9:14am by Cherie*

**Algebra**

In a lab experiement, there is a culture that contains 25 bacteria at 2:00. At 2:15 there are 50 bacteria, At 3:15 there are 800 bacteria. What is the conjecture about the rate at which the bacteria increase?
*Wednesday, October 3, 2012 at 10:13pm by Carol*

**Math**

In a lab experiment, the count of a bacteria doubles every hour. a)at 1pm, there was 23000 bacteria. How many bacteria will be present at midnight? I can't seem to get the correct answer. The answer is 47 104 000 bacteria. Thanks very much in advance!
*Wednesday, January 23, 2013 at 7:25pm by A Canadian*

**precalculus**

A bacteria culture initially contains 1500 bacteria and doubles every half hour. a) Find an expression for the number of bacteria after t hours. Q(t)= b) The number of bacteria after 20 minutes is (the answer must be an integer) c) The number of bacteria after 9 hours is
*Wednesday, March 2, 2011 at 1:18pm by josh*

**Math - Derivative of a polynomial function**

The population, p in thousands of bacteria colony can be modelled by the function p(t)=200+20t-t^2, where t is the time, in hours, t is greater than or equal to zero. a) Determine the growth rate of the bacteria population at each of the following times. i>3h ii>8h Ans: ...
*Saturday, October 16, 2010 at 6:35am by Anonymous*

**algebra 2**

PLEASE HELP wiTH ALL OF THEse. I DONT KNOW WHERE TO START---THANKS! 1. At 2pm the number of bacteria in a colony was 100, by 4pm it was 4000. Write an exponential function to model the population y of bacteria x hours after 2pm. 2.Using the information in problem 1, how many ...
*Sunday, February 24, 2008 at 11:07am by cal*

**math**

Bladder infections are often caused when the bacteria E. coli reach the human bladder. Suppose that 3000 of the bacteria are present at time t = 0. Then t minutes later, the number of bacteria present will be a) How many bacteria will be present after 10 minutes? 30 minutes? ...
*Monday, March 24, 2014 at 3:18pm by Emmanuel*

**Math**

A colony of bacteria increases according to the law of unihabited growth. a) If the number of bacteria doubles in 5 hours, find the function that gives the number of cells in the culture. I have the answer to this one. It is N=No e ln2/5 (t) b) If there are 10,000 cells ...
*Saturday, November 20, 2010 at 4:52pm by Hannah*

**Science**

Which of the following is NOT true of bacteria? a. Bacteria change the sugar in milk to lactic acid. b. Bacteria change nitrogen into a form plants can use. c. Bacteria change harmful chemicals into harmless ones. d. Bacteria change oxygen into nitrogen.
*Friday, February 1, 2013 at 7:20pm by T.J And the Vibe*

**MATH :)**

3. In Biology, it is found that the bacteria in a certain culture double every half-hour. If the initial number of bacteria in culture is 1000, A. Find the defining equation for the number N of bacteria in culture after T hours, assuming that no bacteria die. B. How many ...
*Wednesday, May 4, 2011 at 1:34pm by NEED ANSWER URGENT. ANON.*

**social studies**

what is a reason of both France and Spain for not wanting to keep the Louisiana colony ? a) the colonists refused to respect the flag b) the colony never became prosperous c) the colony was expensive to run d the colonists were to rebellious
*Tuesday, December 10, 2013 at 7:11pm by victoria*

**math**

A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?
*Wednesday, November 3, 2010 at 6:15pm by Kam*

**Math**

A culture of bacteria in a petri dish is doubling every hour. If there are 100 bacteria at time t=0, how many bacteria will there be in 12 hours?
*Sunday, November 7, 2010 at 1:37am by Anonymous*

**math**

A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?
*Thursday, January 10, 2013 at 6:36pm by Nicholas*

**Science**

A vaccine can protect you against a disease because it (1)destroys toxic substances from bacteria before they can make you sick\ (2) stimulates your immune system against the pathogens (3) kills any pathogenic bacteria in your body (4) changes pathogenic bacteria into harmless...
*Wednesday, May 2, 2012 at 5:37pm by George wang*

** math**

A type of bacteria doubles in number every 12 hours. After 2 days, there are 48 bacteria. How many bacteria were there at the beginning of the first day.
*Wednesday, November 13, 2013 at 4:38pm by Taylor*

**Math**

1. A colony of bacteria grows exponentially according to the function where N is measured in grams and t is measured in days. N(t)=100e^0.045t You may use graphical method or algebraic method. Please show work if algebraic or show the graph if graphical method - round to 2 ...
*Thursday, April 26, 2012 at 6:53pm by Star*

**Chem**

suppose that you place exactly 100 bacteria into a flask containing nutrients for the bacteria and that you find the following data at 37 °C: t (min):0 15.0 30.0 45.0 60.0 Number of bacteria: 100 200 400 800 1600 What is the order of the rate of production of the bacteria? How...
*Wednesday, March 12, 2014 at 10:57pm by Bri*

**Math**

A certain bacterium divides into 2 bacteria every 20 minutes. If there are four bacteria in the culture now, how many will there be in 4 hours, assuming that no bacteria die?
*Monday, March 26, 2012 at 7:27pm by Garz*

**Health (Ms. Sue)**

Describe how bacteria develop antibiotic diseases. A: Bacteria develop antibiotic resistance when a person stops taking antibiotics before the prescription is finished. By doing this, most of the bacteria die, but some more resistant bacteria survive and multiplies, which can ...
*Wednesday, November 20, 2013 at 3:07pm by Anonymous*

**pre calculus**

if there are initial 2500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t hours cab n be found using the formula=N=2500(2^t).how long will it take the culture to grow to 75,000 bacteria.
*Friday, December 17, 2010 at 7:58am by john*

**Calculus**

Suppose that a population of bacteria triples every hour and starts with 700 bacteria. (a) Find an expression for the number n of bacteria after t hours. n(t) = ? (b) Estimate the rate of growth of the bacteria population after 1.5 hours. (Round your answer to the nearest ...
*Tuesday, November 3, 2009 at 5:21pm by Alex*

**social studies**

From Wikipedia: "The New England Colonies of British America included colonies of Massachusetts Bay Colony, Connecticut Colony, Colony of Rhode Island and Providence Plantations Province of New Hampshire.
*Wednesday, September 30, 2009 at 8:46pm by Ms. Sue*

**precal**

A petri dish contains only two bacteria. The bacteria divide every half hour. How many bacteria will exist after 3 hours? I thought it'd be 12, but apparently not.
*Thursday, September 2, 2010 at 10:41pm by Anonymous*

**American History**

A royal colony is owned by the King/Queen, while a proprietary colony is owned by ________________. A. A totalitarian leader B. Wealthy investors and businessmen C. The original founders D. All individuals living in the colony It is not C ! Is it A >>
*Monday, April 7, 2014 at 9:20pm by mix_lks*

**biology**

There is a bacteria called botulism which will grow in anaerobic conditions. This bacteria can be found in improperly canned food, as a result a toxin is produced which can be deadly to humans. What does this bacteria have to do with BOTOX?
*Wednesday, August 11, 2010 at 5:16am by peter*

**Physics**

On earth, a certain type of bacteria doubles in number every 24 hours. Two cultures of these bacteria are prepared, each consisting initially of one bacterium. One culture is left on earth and the other is put on a rocket travelling at .866c relative to the earth. By the time ...
*Wednesday, May 25, 2011 at 11:10pm by Joe Schmo*

**Algebra 2**

If there are initially 1500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t hours can be found using the formula N=1500(2^t). How many bacteria will present after 7 hours? I think the answer is N=192,000. Is this correct?
*Thursday, March 1, 2012 at 3:51am by Emily*

**math**

The number of bacteria in a culture is modeled by: n(t) = 1330e^(0.42t) (a) The initial number of bacteria is: (b) The relative rate of growth of this bacterium population is: (c) The number of bacteria after 3 hours is: (d) After how many hours will the number of bacteria ...
*Monday, November 19, 2012 at 6:40pm by NotGonnaSay*

**chemistry**

Suppose that you place exactly 100 bacteria into a flask containing nutrients for the bacteria and that you find the following data at 37 °C: TIme (s) number of bacteria 0 100 19 200 38 400 57 800 76 1600 what is the rate order? What is rate constant? how many bacteria will be...
*Sunday, March 25, 2012 at 8:43pm by HELP PLEASE*

**calculus**

A bacteria culture starts with 900 bacteria and the population doubles every 4 hours. Find an expression for the number of bacteria after t hours.
*Friday, November 5, 2010 at 3:07pm by Anonymous*

**Calc**

The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours. a) Find the initial population. b) Write an exponential growth model for the bacteria population. ...
*Thursday, January 6, 2011 at 9:58pm by Erica*

**Algebra**

The number of bacteria in a stagment pond doubles every hour. A farmer sprays it every two hours and kils 3/4 of bacteria immediately. If there are 10,000 live bacteria left after the farmer sprays at noon, how many live bacteria are there at 11 p.m. that night?
*Wednesday, December 12, 2012 at 7:44pm by Jenny*

**math**

A type of bacteria doubles in number every 12 hours. After 2 days, there are 48 bacteria. How many bacteria were there at the beginning of the first day. I know the answer is 3, but want to know how it arrived at the number "3"
*Wednesday, November 13, 2013 at 7:42pm by Taylor*

**math**

The number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of bacteria reach 10,000...
*Saturday, May 12, 2012 at 5:20pm by someone*

**Math**

he number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of bacteria reach 10,000? ...
*Saturday, May 12, 2012 at 10:04pm by someone*

**american history (colonies) **

I have to write an essay about colonial times, where i pick a colony in English North America and write a report for the board of directors of the stock company about the advantages and disadvantages of the colony. I can't decide on a colony though. I was thinking Connecticut ...
*Sunday, September 20, 2009 at 12:42pm by anonymous*

**Geometry**

Suppose you are studying bacteria in biology class the table shows the number of bacteria after n doubling periods n(periods)[0 1 2 3 4 5] billions of bacteria [3 6 12 24 48 96] your teacher asks you to predict the number of bacteria after 8 doubling periods. what would your ...
*Monday, March 8, 2010 at 12:04am by Anonymous*

**Math**

a culture started with 2000 bacteria. after 2 hour , it grew to 2,400 bacteria. predict how many bacteria will be present after 10 hours. round your answer to the nearest whole number.
*Sunday, November 7, 2010 at 1:37am by linh*

**Math**

Bacteria A has an initial population of 500 and doubles everyday. Bacteria B has an initial population of 50 and triples everyday. How long will it take the population of bacteria B to overtake the population of bacteria A
*Sunday, October 27, 2013 at 9:06pm by Paul*

**math**

I am submitting agian, I am not sure the answer someone gave sounds correct. We are learning about exponents. A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?
*Wednesday, November 3, 2010 at 7:07pm by Kam*

**math**

It takes 28 minutes for a certain bacteria population to double. If there are 4,241,763 bacteria in this population at 1:00 p.m., which of the following is closest to the number of bacteria in millions at 4:30 pm on the same day?
*Thursday, September 9, 2010 at 4:33pm by Ross*

**English**

3) Who was Vietnam a colony of? Or Which country was ..? Vietnam was a French colony. Of what country was Vietnam a colony? 5. When did the Vietnamese War end?
*Monday, March 22, 2010 at 8:20am by GuruBlue*

**Math**

The amount of bacteria after n min if the initial amount of bacteria is q and the amount of bacteria doubles every minute. (Hint: The answer should contain q as well as n.)
*Wednesday, June 9, 2010 at 11:03pm by Mike*

**math**

The amount of bacteria after n min if the initial amount of bacteria is q and the amount of bacteria triples every 30 sec. (Hint: The answer should contain q as well as n.)
*Saturday, August 18, 2012 at 11:43am by mary*

**calculus**

2. The rate of change in the number of bacteria in a culture is proportional to the number present. In a certain laboratory experiment, a culture has 10,000 bacterial initially, 20,000 bacteria at time t1 minutes, and 100,000 bacteria at (t1 + 10) minutes. a. In terms of t ...
*Friday, March 30, 2012 at 8:35am by naseba*

**Biology**

What is the difference between a simple colony and a complex colony?
*Tuesday, September 4, 2007 at 1:42pm by Kelly*

** Social Study**

How was the Virgina Colony different from the Plymouth Colony?
*Wednesday, September 28, 2011 at 8:19pm by Lidia*

**Science**

Milk sours quickly because it is almost a perfect medium to grow bacteria. If it is pasteurized, nearly all the bacteria were killed in that process, but some remain, and more likely, the milk can become contaminated with bacteria from the air. Being a near perfect medium to ...
*Friday, December 12, 2008 at 8:55pm by bobpursley*

**AP US HIstory**

How were the Plymouth colony and the Massachusetts Bay colony alike? And how did they differ?
*Sunday, November 18, 2007 at 3:03pm by Jennifer*

**History**

The colony agreed on a treaty with Chief Massasoit which helped to ensure the colony's success
*Tuesday, September 18, 2012 at 7:30pm by Gracie*

**colonial america**

Plymouth colony and Jamestown colony
*Wednesday, January 31, 2007 at 1:12am by Lance*

**Algebra**

It takes 30 days to fill a laboratory dish with bacteria. If the size of the bacteria doubles each day. How long did it take for the bacteria to fill one half of dish?
*Sunday, January 1, 2012 at 2:45pm by Anonymous*

**Algebra**

It takes 30 days to fill a laboratory dish with bacteria. If the size of the bacteria doubles each day, how long did it take for the bacteria to fill one half of dish?
*Sunday, January 1, 2012 at 2:45pm by Anonymous*

**algebra**

It takes 30 days to fill a laboratory dish with bacteria. If the size of the bacteria doubles each day. How long did it take for the bacteria to fill one half of dish?
*Monday, January 2, 2012 at 4:34pm by Anonymous*

**Bacteria**

What structural features of bacteria do you think help them to survive? Name four characteristics of bacteria that aid them in producting disease. http://en.wikipedia.org/wiki/Bacteria please read the link and then think about these statements: fast reproductive rate tough ...
*Friday, February 23, 2007 at 8:18pm by Sabrina*

**Algebra 2**

A culture started with 2,000 bacteria. After 6 hours, it grew to 2,200 bacteria. Predict how many bacteria will be present after 12 hours. Round to the nearest whole number.
*Tuesday, May 7, 2013 at 1:18pm by Kevin*

**Precalculus **

NEED HELP ASAP PLEASE!! A bacteria culture starts with 2000 bacteria and the population doubles every 3 hours. a) A function that models the number of bacteria after t hours is p(t)=____________? b) The number of bacteria present after 5 hours will be about _____ ? c) The ...
*Thursday, March 4, 2010 at 6:07pm by jh*

**Math**

I need some help. A biologist finds that the population of a certian type of bacteria double seach half-hour. An initial culture has 60 bacteria. 1. What is the population after 3 hours? 2. How long will it take for the number of bacteria to reach 983,040?
*Tuesday, April 9, 2013 at 6:11pm by Kris*

**Calculus :)**

The number of bacteria in a culture is modeled by n(t)=1550e^(0.24t) (a) The initial number of bacteria is _____ (b) The relative rate of growth of this bacterium population is _____ (c) The number of bacteria after 3 hours is _____ (d) After how many hours will the number of ...
*Monday, August 22, 2011 at 11:35pm by Brit*

**Living Environment(please check answers)**

1-true 2-false 3-not enough info Transplanting genetic material into bacteria is a simple task- 2 Under certain conditions, bacteria reproduce at a rapid rate-3 The continued use of insulin from animals many cause harmful side effects in some people- 1 The bacteria used in ...
*Monday, March 12, 2012 at 6:50pm by Anna*

**Bacteria**

I was growing some bacteria in Petri dishes that I got from wiping my hand with a q-tip. Condensation appeared directly above the bacteria when they got somewhat large. Was this H20 or something else? And why did it form? Humm The products of ellular respiration are water and ...
*Sunday, January 14, 2007 at 10:48pm by Sara*

**math**

The bacteria in a certain culture double every 7.5 hours. The culture has 6,500 bacteria at the start. How many bacteria will the culture contain after 3 hours? Select one:
*Friday, October 25, 2013 at 8:20pm by Anonymous*

**math**

A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040 bacteria. (a) Express the population after t hours as a function of t. this is what i put as my answer but i guess its not right do i replace the four ...
*Sunday, November 8, 2009 at 7:59pm by aman*

**Health (Ms. Sue)**

Describe how bacteria develop antibiotic resistance. A: Bacteria develop antibiotic resistance when it changes in a manner in which reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. Also, if a person stops ...
*Wednesday, November 20, 2013 at 7:42pm by Anonymous*

**History**

What kind of colony was Delaware, first??? I got a link to a page that really helped, but i accidentaly exited out of it!! thank you for any help!!! EX. Proprietary, Royal, or Charter Colony.
*Tuesday, September 9, 2008 at 9:15pm by Nicole*

**Math**

. A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 4 hours. Initially, there are 900 bacteria in the dish. How many are in the dish after 12 hours?
*Sunday, November 7, 2010 at 1:37am by Anonymous*

**math 12**

The bacterium Escherichia coli, or E-coli, has a doubling period of 0.32 h. If a culture starts with 100 bacteria: (a) Determine the equation for the number of bacteria, y, in x hours. b) How many hours will pass before there are 450 bacteria in the culture?
*Sunday, May 6, 2012 at 1:18am by saya*

**8th grade Social Studies**

if you mean the one to attack the spanish then the colony would have been the same because this really didn't affect the colony but it affected oglethorpe
*Saturday, September 20, 2008 at 7:53pm by Su(i'm a guy)*

**stats**

Microbes in a certain colony exposed to radiation have a 1/6 chance of being mutated. a. If ten microbes from the colony are sampled, what is the probability that exactly 4 will be mutated? b. If ten microbes from the colony are sampled, what is the probability that at most 4 ...
*Saturday, October 16, 2010 at 5:22pm by jimmy*

**stat**

Microbes in a certain colony exposed to radiation have a 1=6 chance of being mutated. a. If ten microbes from the colony are sampled, what is the probability that exactly 4 will be mutated? b. If ten microbes from the colony are sampled, what is the probability that at most 4 ...
*Wednesday, October 20, 2010 at 12:30am by jack*

**Social Studies**

Think of the two colonies (New York & New Jersey colony and Penn's colony).How are they similar?How are they different?
*Thursday, October 16, 2008 at 6:14pm by N'aicha*

**Problem Solving math**

The amount of bacteria after n min if the initial amount of bacteria is q and the amount of bacteria doubles every minute. I suggest you make a table.Start with 0 time and 1 bug. time #bugs 0 &sbsp 1 1 &sbsp 2 2...
*Sunday, September 3, 2006 at 10:09pm by Krisy*

**History**

What was the name of the original colony established in Virginia in 1607? Colony of Virginia?
*Saturday, April 28, 2012 at 10:27am by Rezu*

**math problem-**

Bacteria grow in a nutrient solution at a rate proportional to the amount present. Initially, there are 250 strands of the bacteria in the solution which grows to 800 strands after seven hours. Find the time needed for the bacteria to grow to 1600 strands.
*Saturday, May 12, 2012 at 5:15am by gwapa*

**government**

Each British colony was governed according to a _____, a written agreement between the settlers and the Crown laying down the colony's basic rules of government.
*Thursday, June 16, 2011 at 1:05pm by jess*

**Science**

a. Bacteria change the sugar in milk to lactic acid. Is true Fermentation. b. Bacteria change nitrogen into a form plants can use. True nitrogen fixation c. Bacteria change harmful chemicals into harmless ones. True Bioremediation d. Bacteria change oxygen into nitrogen. True ...
*Friday, February 1, 2013 at 7:20pm by Devron*

**Algebra**

A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in the dish. How many are in the dish after 9 hours? My answer: 4000 -(5)^-1 My answer: -1/5
*Thursday, February 6, 2014 at 12:22pm by Anonymous*

**math**

A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in the dish. How many are in the dish after 9 hours? My answer: 4000 -(5)^-1 My answer: -1/5
*Thursday, February 6, 2014 at 2:24pm by Anonymous*

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