Sunday

April 20, 2014

April 20, 2014

Number of results: 10,223

**Check my answers please**

I posted this yesterday and someone said i did not haveoriginal data but it is in the link. Please take out spaces h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its ...
*Monday, August 31, 2009 at 6:41pm by maggie*

**Physics for life scince**

The population of Singapore is 4987600 people. The territory of Singapore is 710.2 km^2. the population of South Africa is 2171000people, while its territtory is 824292. Estimate the population densities of Singapore and South Africa.
*Tuesday, March 23, 2010 at 7:32am by Simeon*

**trig**

A population of wolves in a country is represented by the equation p(t)=80(0.98)^t, where t is the number of years since 1998. Predict the number of wolves in the population in the year 2008. how many years will it take for the population of wolves to reach 500?
*Sunday, January 31, 2010 at 8:38pm by Anonymous*

**trig**

A population of wolves in a country is represented by the equation p(t)=80(0.98)^t, where t is the number of years since 1998. Predict the number of wolves in the population in the year 2008. how many years will it take for the population of wolves to reach 500?
*Tuesday, February 26, 2013 at 8:15pm by Anonymous*

**algebra, math133**

Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that growth rate to ...
*Saturday, May 22, 2010 at 7:28pm by michelle*

**Math**

he world population at the beginning of 1990 was 5.3 billion. Assume that the population continues to grow at the rate of approximately 2%/year and find the function Q(t) that expresses the world population (in billions) as a function of time t (in years), with t = 0 ...
*Wednesday, April 13, 2011 at 9:47am by Anonymous*

**Math PLEASE HELP ASAP**

I really don't know how to do this, need as soon as possible. Please help! A rabbit population satis es the logistic equation dy dt = 2x10^-7y(10^6- y); where t is the time measured in months. The population is suddenly reduced to 40% of its steady state size by myxamatosis. ...
*Saturday, May 26, 2012 at 6:57am by Lilly*

**10th grade English**

#5: involving in the population-based = being involved in... ¡®Given the rarity = get rid of strange marks may be offered = may be offered, onsidered¡ = ! get by involving in the study,= nvolving themselves... #6: Population based = Population-based Sra
*Thursday, July 16, 2009 at 5:51am by SraJMcGi n*

**statistics**

A statistics practitioner formulated the following hypothesis: Ho: population mean=200 H1: population mean<200 sample mean=190 n=9 population standard deviation=50 Calculate the p-value of the test
*Friday, March 19, 2010 at 7:15am by Adam*

**Science**

Overpopulating rabbits in Australia were finally controlled by a disease spread trough the population. A higher death rate was recorded in regions with large population than small population. The disease can be considered.... A. A density-dependent factor. B. A density-...
*Saturday, December 5, 2009 at 12:56pm by Kaled*

**physical Edu**

Identify the effects of MDMA: a. can result in a heat stroke b. can cause dehydration c. increases heart rate and blood pressure d. increases feelings of closeness e. all of the above can be effects of MDMA use. is it C
*Sunday, June 17, 2012 at 2:29pm by Andy*

**Applied Calculus**

The world population at the beginning of 1990 was 5.3 billion. Assume that the population continues to grow at the rate of approximately 2%/year and find the function Q(t) that expresses the world population (in billions) as a function of time t (in years), with t = 0 ...
*Sunday, April 14, 2013 at 5:36pm by Jacob*

**Geometry**

What does this have to do with geometry? A) If you mean the mean population per continent, divide the world population by 6. Total world population was 6.081 billion midyear B) The midyear world population in 1950 was 2.556 billion C) [(6.082-2.556)/2.556] x 100 is the percent...
*Monday, January 21, 2008 at 8:14pm by drwls*

**Algebra 2**

According to the US Census Bureau, the population of the United States has been growing at an average rate of approximately 2% per year. The census is taken every 10 years, and the population in 1980 was estimated at 226 million people. *If the rate of population growth in the...
*Monday, November 12, 2012 at 8:11pm by Anonymous*

**stats**

A sample of 12 observations is selected from a normal population for which the population standard deviation is known to be 4. The sample mean is 19. (Round your answers to 3 decimal places.) (a) The standard error of the mean is The 90 percent confidence interval for the ...
*Monday, March 28, 2011 at 2:09pm by liam*

**Calculus**

Suppose that you follow the size of a population over time. When you plot the size of the population versus time on a semilog plot (i.e., the horizontal axis, representing time, is on a linear scale, whereas the vertical axis, representing the size of the population, is on a ...
*Sunday, October 30, 2011 at 10:03pm by Erica*

**bio**

how does the survival of males after production of young affect the optimal sex ratio? what are the assumptions of this theory? Are there any examples of how by changing the assumptions of this model the predictions will change? Why according to the basic sex ratio theory are ...
*Thursday, November 11, 2010 at 3:37pm by Anonymous*

**math**

r(t)=2t e^-t^2 r'=0=2e^-t^2 +2te^-t^2 * 2t*-1 0=2-4t t=1/2 month check my calculus. ii) population=INTEGRAL r(t) dt = INT 2te^-t^2 dt let u= t^2 du= 2t dt population= int e^-u du=-e^-u but u=t^2= 1/4 population= -e^-u from 0 to 1/4 population=- e^-1/4 +1= 22percent check my work.
*Tuesday, May 25, 2010 at 7:51pm by bobpursley*

**maths**

The variation in size from year to year of a particular population can be modelled by an exponential model with annual proportionate growth rate 0.1246. The size of the population at the start of the initial year is 360. Choose the TWO options that give, as predicted by the ...
*Wednesday, May 11, 2011 at 7:00pm by albert*

**maths**

The variation in size from year to year of a particular population can be modelled by an exponential model with annual proportionate growth rate 0.1246. The size of the population at the start of the initial year is 360. Choose the TWO options that give, as predicted by the ...
*Thursday, May 12, 2011 at 6:29pm by albert*

**maths**

The variation in size from year to year of a particular population can be modelled by an exponential model with annual proportionate growth rate 0.1246. The size of the population at the start of the initial year is 360. Choose the TWO options that give, as predicted by the ...
*Thursday, May 12, 2011 at 6:41pm by albert*

**PreCalc**

[b]1. The problem statement, all variables and given/known data[/b] The average growth rate of the population of a certain city is 7.5% per year. The city's population is now 22,750 people. What is the expected population in 10 years? [b]2. Relevant equations[/b] I was always ...
*Sunday, March 28, 2010 at 10:19pm by Kate*

**religion**

1) Write complete sentences (treat this as a mini-essay (250-300 words) and that will work to your advantage). 2) Provide specific examples (events, dates, whatever is necessary to support your claim). 3) Offer a clear connection between effect and examples. 4) Offer two ...
*Thursday, May 27, 2010 at 5:21pm by Anonymous*

**calculus**

A particle is moving along the graph of x^-(1/3). When x=8, the component of its position is increasing at the rate of 1 cm/sec. How fast is the distance from the origin changing at this moment? How fast is the angle of inclination changing at this moment?
*Friday, December 10, 2010 at 10:28am by Anonymous*

**ap world**

I need to write an essay on this....For the period 1500 to 1830, compare North American racial ideologies and their effects on society with Latin American/Caribbean racil ideologies and their effects on socitey
*Wednesday, March 3, 2010 at 5:12pm by Lisette*

**MATH**

If a population consists of ten thousand individuals at time t=0 (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15, and a 100 years (n)? Calculate the "doubling time" for this growth rate. Given this growth rate...
*Friday, October 9, 2009 at 11:16am by HEENA*

**Statistics**

I think the answer to this question is False but I would like to confirm. Thank you for your help. True or False: Suppose the population mean is 50 and the population variance is 100 for a population. In a sample where n = 100 is randomly taken, 90% of all possible sample ...
*Monday, March 22, 2010 at 4:18pm by Billy*

**AP World History**

I need to write an essay comparing how North American racial ideologies and their effects on society with Latin American/Caribbean racial ideologies and their effects on society. Can't find annnyyythinggg on Latin American/ Caribbean racial ideologies and their effects on ...
*Monday, February 15, 2010 at 8:15pm by Rose*

**Math**

A population is a collection of data, and a sample is a subset (i.e. a smaller number of the data, obtained randomly) of the population. The population mean, μ, is the arithmetic average of ALL the data present in the population. The sample mean is the arithmetic mean of ...
*Sunday, November 21, 2010 at 12:04am by MathMate*

**History**

My question is this: What were some positive and negative effects that John D. Rockefeller had on big business in the late 19th century? My answer for positive effects is: He made prices cheaper for the people. Because of Rockefeller and other big businesses at this time ...
*Sunday, December 20, 2009 at 9:48am by B.B.*

**HIS 204**

During a remarkable period of change from roughly 1865 to the early 20th century, the great cities that we know and love today expanded at an incredibly rapid pace and went through a fundamental transformation in composition and construction. Select one of the ways that the ...
*Tuesday, November 8, 2011 at 11:21am by Bethe*

**Statistics**

Can someone help me do this problem? A group of environmentalist are trying to estimate the population of the state rid in clear view park. They capture a sample of 500 birds in early spring and tag them. in august they capture 215 birds, of which 20 are tagged. a) use the ...
*Thursday, December 12, 2013 at 12:12am by Tina*

**SCI207 Depencdence of Man **

George Bush had stated in 2007 that this particular task would cost the government too much money! The only answer is, human population; only people can control this hazard event and the best way to do so, would be by cutting population in half; instead of tripling population...
*Tuesday, June 14, 2011 at 11:39pm by KWIKSTROM*

**Math**

In 1983, the population of Functionville was 2560, and it tripled in 6 years. a. Write an exponential model for the population of Functionville t years after 1983. b. According to your model, it what year had the population grown to 7 times its size?
*Sunday, July 15, 2012 at 10:51am by Tony*

**stats**

Consider an infinite population with 25% of the elements having the value 1, 25% the value 2, 25% the value 3, and 25% the value 4. If X is the value of a randomly selected item, then X is a discrete random variable whose possible values are 1, 2, 3, and 4. (a) Find the ...
*Wednesday, November 5, 2008 at 8:40pm by Mischa*

**chemistry**

I don't get the question. Concns determine Kc and changing concns shifts the equilibrium (without changing Kc).
*Friday, April 23, 2010 at 2:26am by DrBob222*

**US History**

Why did the urban population exceed the rural population in 1920? -MC
*Wednesday, October 13, 2010 at 3:18pm by mysterychicken*

**statistics**

is 30 years the average age of a population? describe its population and distribution
*Monday, December 20, 2010 at 10:27am by tasha*

**Advanced Functions**

If a bacteria population doubles in 7 days, when was it half of its present population?
*Wednesday, January 12, 2011 at 4:02pm by Nik*

**Statistics for social sciences**

A population with a mean of u=10 has EX=250. How many score are in the population?
*Monday, January 24, 2011 at 4:12pm by Dana*

**statistic**

a population of n = 100 score has u = 30 and standard deviation =4 what is the population variance
*Monday, September 26, 2011 at 9:15pm by mary*

**Biology**

A population of hawks increases in size by 5.5% each year. In how many years will this population quadruple?
*Monday, May 14, 2012 at 5:56pm by Anonymous*

**math**

if 175,104,000 is 7/10 of the population - what would 100% of the population be?
*Tuesday, November 20, 2012 at 7:01pm by richie*

**Earth Science**

Try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=effects+radiation+has+on+heating+of+land++w...
*Thursday, November 4, 2010 at 8:05pm by SraJMcGin*

**5th grade math**

How do I find out what 100% of a population is when I only know what 70% of population is?
*Monday, September 22, 2008 at 6:51pm by Emmy*

**math 5th grade**

how can I find out what 100% of population is when I only know what 70% of population is?
*Wednesday, October 1, 2008 at 1:51pm by Emmy*

**matth**

You gave the population in 1805. But the problem wants you to compare the 1905 population with the 1895 figure.
*Saturday, November 1, 2008 at 8:01pm by Ms. Sue*

**algebra**

Suppose the growth of a population in millions is modeled by 3.2 * (4.72^t. What is the size of the population initially?
*Thursday, February 5, 2009 at 7:55pm by Hannah*

**social studies**

were the southern states counted in the population during the 3/5 compromise because of the population count?
*Thursday, October 15, 2009 at 10:10pm by Hema*

**US History**

the orlando population is 2,082,628 it is the 5th largest city by population.
*Thursday, September 30, 2010 at 4:35pm by rosa*

**math**

suppose the growth of a population in millions is modeled by 3.2*(1.72)^t. what is the size of the population initially?
*Wednesday, January 19, 2011 at 4:04pm by mee*

**to ms .sue **

i see that nebraka's population for 1900 is smaller than nebraksa's population for 2000
*Wednesday, March 28, 2012 at 7:52pm by Celest*

**geography (population)**

Hello...uh yeah I have this one question i'm not really understanding....this is the question List the 5 largest immigrant populations in Canada and their population. yeah...I don't actually even understand the quesiton!.....like...Immigrant population? uh?! help me please!! ...
*Monday, January 5, 2009 at 7:39pm by Dawn*

**Math**

We know that there are 40 turtles tagged. In 2009, 16/50 = 32% of the population was tagged, making the population 40/.32 = 125 (P/40 = 50/16) In 2010, 8/30 = 26.7% of the population was tagged. So, the population is about 150 (P/40 = 30/8)
*Monday, May 6, 2013 at 6:27am by Steve*

**Calculus**

The population of a county increases at a rate proportional to the existing population. If the population doubles in 20 years, then the factor of probability is a) 2e^(-30) b)1/2(ln 20) c)ln 2 d)1/20(ln 2) e)ln 20
*Saturday, January 7, 2012 at 5:13pm by Lee*

**techonology**

Is technology changing the way humans correspond or behave with one another? What do you think? And in what ways? Of course it is changing the way we correspond with each other. Would we have been getting answers like this on a computer 50 years ago?
*Sunday, September 24, 2006 at 4:49pm by jessica*

**history**

During a remarkable period of change from roughly 1865 to the early 20th century, the great cities that we know and love today expanded at an incredibly rapid pace and went through a fundamental transformation in composition and construction. Select one of the ways that the ...
*Saturday, March 24, 2012 at 9:12pm by mary*

**Drug Abuse (URGENT)**

What are some non physical effects of marijuana use? I've found lots of physical but I can't seem to find any non physical effects. Can someone help me please. Thanks very much.
*Monday, October 12, 2009 at 7:19pm by John*

**MATH**

Please someone get back to me! I really don't know how to do this, need as soon as possible. Please help! A rabbit population satisfies the logistic equation dy dt = 2x(10to the exponent 6)y(10to the exponent6)- y; where t is the time measured in months. The population is ...
*Sunday, May 27, 2012 at 3:10am by Lilly*

**algebra**

the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3). What is the population for 2015?
*Sunday, December 5, 2010 at 5:51pm by math help*

**statistics**

For a population with a standard deviation of ƒã = 8, a score of X = 44 corresponds to z = -0.50. What is the population mean?
*Monday, October 5, 2009 at 2:56pm by jean*

**math**

what is the population density if your goldfish population was found in 20x30 sq inch rectangular aquarium?
*Wednesday, November 16, 2011 at 4:37pm by dani*

**7th grade social studies**

Just a say what was the population in 1650 and compare it to the population in 1700
*Tuesday, January 10, 2012 at 11:06pm by Alicia*

**to ms.sue**

? do i put down ; the population of nebraska in 1900 compares to its population in 2000 by ___________________________________
*Wednesday, March 28, 2012 at 7:03pm by Celest*

**Math**

The doubling time of a city's population is 17 years. How long does it take for the population to quadruple?
*Sunday, October 14, 2012 at 3:57pm by Sam*

**5th grade math**

what percent of the total population believed if the population was 136,800,000
*Tuesday, October 16, 2012 at 9:31pm by Anonymous*

**Geometry**

A)What was the mean population of the six continents or land masses that were habitable in 2000? B) What was the mean population in 1950? C) What was the percent incease in the mean population from 1950 to 2000?
*Monday, January 21, 2008 at 8:14pm by greatdanelola*

**statistics**

A population with a mean of u =10 has EX= 250. How many scores are in the population?
*Sunday, May 9, 2010 at 2:49pm by Lisa*

**science**

If a population is not in genetic equilibrium, what must be occurring in the population
*Wednesday, April 10, 2013 at 11:06pm by Lisa*

**statistics**

A population of N = 10 scores has m = 50 and s = 5. What is the population variance?
*Thursday, December 6, 2012 at 4:55pm by Anonymous*

**statistics**

A population of N = 10 scores has m = 50 and s = 5. What is the population variance?
*Thursday, December 6, 2012 at 4:55pm by Anonymous*

**Science**

How can human population growth affect ecosystems like rain forests? A. Human population growth cause a decrease in the use of resources from rain forests. B. Human population growth cause an increase in the biodiversity of a rain forests. C. Human population growth cause an ...
*Friday, January 17, 2014 at 9:09pm by SandpitTurtle*

**statistics**

School 1 Statistics: Average truancy per student is 8 days per semester with a standard deviation 2.2 and a population of 250 students. a. What percent of the population is truant more than 9 days? b. What percent of the population is truant less than 3 days? c. What percent ...
*Sunday, September 26, 2010 at 7:57pm by lashara *

**Physics**

Yes to both questions. A dropped object accelerates in a straight line. An object following a circular path can have constant acceleration magnitude while changing directions. (The acceleration vector will be changing however, in the latter case.)
*Tuesday, March 13, 2012 at 10:42pm by drwls*

**math**

draw a diagram. using similar triangles, if the length of the shadow is x, and the distance to the lamp is y, x/6 = (x+y)/16 16x = 6x + 6y 10x = 6y x = 3/5 y since y is changing at -5ft/sec x is changing at -3ft/sec no matter where the man is.
*Monday, October 8, 2012 at 3:30pm by Steve*

**Vision/Help me**

The way I understand it is that ALGRBRA wants to have the steps above labeled 1) 2) and 3) in mathematical statements. So.... 1): Population growth = (20743300 - 20605500)/20605500 = .0066875 = .67% 2): amount of growth of the population in 2007 = 20743300(.67%) = 20743300(....
*Thursday, November 1, 2007 at 1:06am by Reiny*

**algebra**

A certain population of bacteria doubles every 3 weeks. How long will it take for a population of 3,500 to triple?
*Sunday, April 27, 2008 at 2:31am by Alice*

**American History**

In 1700, which of the following colonies had the largest slave population relative to its overall population?
*Wednesday, July 13, 2011 at 3:40pm by T*

**math**

The of population Oak Forest is increasing at a rate of 2% a year. If the population is 64,242 today, what will it be in 3 years?
*Monday, November 28, 2011 at 11:05pm by issa*

**American History**

In 1700, which of the following colonies had the largest slave population relative to its overall population
*Friday, January 27, 2012 at 7:01pm by Anonymous*

**american history**

in 1700 which of the following colonies had the largest slave population relative to its overall population
*Sunday, December 16, 2012 at 12:03am by kim*

**Social Studies**

Japan population: 127,817,277 California population: 37,691,912
*Thursday, January 10, 2013 at 2:49pm by Ms. Sue*

**statistics**

If your sample is less than 5% of the population, then the population correction factor would not be required. I'll let you determine which one fits.
*Tuesday, June 18, 2013 at 5:12pm by MathGuru*

**math**

4. Compare the population per square mile in Asia to the population per square mile in North America for the year 2000. Asia Land Area (1,000 mi2) -17,400 Percent of Earth 30.1% Population in 1900 - 932,000,000 Population in 1950 - 1,591,000,000 Population in 2000 - 4,028,000,...
*Sunday, June 3, 2007 at 12:39am by Stacy*

**Effects of Religion**

• Religion can affect people in many different ways. List at least two effects that organized religion has had on society and give examples from past and/or present world events that illustrate your examples.
*Friday, August 31, 2007 at 8:44am by R. MADERA*

**algebra**

I have no clue where to begin on this problem. Can some one help me please. One demographer believes that the population growth of a certain country is best modeled by the function P (t) =15 e^.08t, while a second demographer believes that the population growth of that same ...
*Tuesday, November 8, 2011 at 11:45am by Jessica*

**Pre-Calcs**

Amount after time t A (t) = yobt Where: yo = starting amount b = growth constant (percent remaining) t = number of time units In the 1978 the population of blue whale in the southern hemisphere was thought to number 5000. Since whaling has been outlawed, and an abundant food ...
*Wednesday, December 1, 2010 at 9:47pm by Kate*

**Science**

A newspaper story on AIDS reports that an allele (R) confers complete resistance to HIV when homozygous and that 1% of the human population is resistant (RR). The story also states that 20% of the population carries one copy of the resistance allele (i.e., is heterozygous). Is...
*Sunday, April 7, 2013 at 9:39pm by MT*

**Social Studies**

How big is japan compared to California? A. Half as large with twice the population B.Twice as large, with half the population C.About the same size with four times the population D. four times as large, with about the same population
*Thursday, January 10, 2013 at 2:49pm by T.J And the Vibe*

**physics**

Velocity is a vector quantity, meaning it has both magnitude and direction. Acceleration is the rate of the change of velocity. Therefore, if the speed changes, the object is accelerating (whether it speeds up or slows down). ALSO- if the object is changing direction, the ...
*Tuesday, October 19, 2010 at 2:21am by Steven*

**math**

Hi, I had a question about exponential growth. The problem says: The population in Woonsocket is 43,500. Every year the population increases by 2%. Write the exponential equation that represents this situation. I put that the equation was 43,500 (1+.2)^y (y standing for how ...
*Tuesday, March 4, 2008 at 4:48pm by Juliana*

**Chemistry**

During activation energy... A. A catalyst lowers the activation energy by changing the reaction mechanism. B. A catalyst does not change the activation energy. C. A catalyst lowers the activation energy by changing the rate. D. A catalyst raises the activation energy by ...
*Sunday, January 28, 2007 at 6:20pm by Question*

**Algebra 1B Chapter 10 **

I'm reclassified but I'm still a 10th grader and the only class I need to take is Algebra1B So here's the problem. I'm 1990, the town of Belgrade, Montana, had a popuof of 3422. For each of the next 8 years, the population increased by 4.9% per year. a. Write an equation for ...
*Monday, November 26, 2012 at 10:38pm by Asheir*

**Algebra 1B Chapter 10 **

I'm reclassified but I'm still a 10th grader and the only class I need to take is Algebra1B So here's the problem. I'm 1990, the town of Belgrade, Montana, had a popuof of 3422. For each of the next 8 years, the population increased by 4.9% per year. a. Write an equation for ...
*Tuesday, November 27, 2012 at 4:59am by Asheir*

**Math (Statistic)**

Considered the sampling distribution of a sample mean obtained by random sampling from an infinite population. This population has a distribution that is highly skewed toward the larger values. a) How is the mean of the sampling distribution related to the mean of the ...
*Monday, February 19, 2007 at 3:26am by Jennifer*

**math**

If the population is bell-shaped, then the interval that is 3 standard deviation away from the center contains what percent of data in the population?
*Saturday, February 7, 2009 at 7:55pm by Sally*

**mat115**

Use the world population and land area table. What was the population per square mile of Oceana in 2000?
*Sunday, March 22, 2009 at 11:01am by John*

**Math **

If the doubling time of a state's population is 42 years, how long does it take for the population to increase by a factor of 16?
*Friday, December 4, 2009 at 3:50pm by Randi*

**Math**

The population of New Hampshire was 1 million in 1990. It doubles every 25 years. Estimate the population in 1996.
*Sunday, August 29, 2010 at 5:39pm by Anonymous*

**Math**

The population of a town increased from 55,370 to 162,240 in one decade. What was the percent change of the population?
*Monday, February 13, 2012 at 11:00pm by Marche*

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