If the world population keeps growing at its current rate, how many people might be alive in 10 years? A 14 trillion B 22 billion C Between 7 and 8 billion D 1.5 trillion I think it is C. :)

51,740 questions
1. Population growth

If the world population keeps growing at its current rate, how many people might be alive in 10 years? A 14 trillion B 22 billion C Between 7 and 8 billion D 1.5 trillion I think it is C. :)

asked by Sliverstream on March 25, 2019
2. Math

The current global human population is about 7.5 billion and is growing at an annual rate of 1.11 percent If world population were to grow at this rate for the next year approximately how many people would be added? 8x10 to the what

asked by Anonymous on April 10, 2018
3. ~~~~~College Algebra

Question: Various models have been used to make projections of growing populations. Thomas Malthus made one of the most famous conjectures of such a model in the early 19th century. Within Malthus’ claim was that the population of Earth would inevitably

asked by Brianna on December 10, 2011
4. Math

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 42 years

asked by Lataivia on April 10, 2014
5. College Algebra

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 44 years.

asked by Brittney on November 17, 2010
6. College Algebra

The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth model, find the world population in 45 years. (Round your answer to one decimal place.)

asked by Lexi on November 10, 2010
7. Trig

Cicero has a population of 6200 people and is growing at a rate of 8% per year . Mattydale has a population of 8750 and is growing at a rate of 6% per year create and equation solve the problem and in how many years to the nearest year will Cicero have a

asked by Christian on December 6, 2016
8. POPULATION

If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate.

asked by Anonymous on October 6, 2009
9. 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.

asked by HEENA on October 9, 2009
10. TRIG

the population of a certain city is 1.3 million people. if the population is growing at the rate of 4% per year what will the population be in 8 years

asked by Alex on May 11, 2013
11. Social Studies

Which statement is false regarding the world's population? a. The world's population is increasing. b. The world's population is decreasing.*** c. The increase in the world's population is causing overcrowded conditions in parts of Asia and Europe. d. The

asked by Kaai97 on January 11, 2016
12. Human Geography-Help!

Where is the largest concentration of people? East Asia If the physiological density is higher than the arithmetic density what can you infer? There's too many people for resources. What stage of the demographic transition has a rapidly delcining crude

asked by Kylie on September 30, 2010
13. 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),

asked by Anonymous on April 13, 2011
14. 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

asked by Jacob on April 14, 2013

Which sentence best shows a point of view about population growth? A. His new book, TOo many?, is about our planet's growing population B.And the population just keeps growing C.With all those people out there, humans have the ability to do more than ever

asked by Dally on March 19, 2012

the population of a town is decreasing at a rate of 1.8% per year. The current population of the own in 12000. a)write and equation that models the population of the town b)how long will it take for the population to decline to one quarter of its current

asked by james on December 10, 2008
17. Maths

The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P=Ae^kt where A and k are constants. With the aid of appropriate examples, explain how

asked by Nina on July 30, 2012
18. Maths B - Population Growth

The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P=¡¼Ae¡½^kt where A and k are constants. With the aid of appropriate examples,

asked by Nina on July 30, 2012
19. Maths B question - population

The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P = Aekt where A and k are constants. (a) With the aid of appropriate examples, explain

asked by Nina on July 28, 2012
20. 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

asked by Anonymous on November 12, 2012
21. science

Linear growth a. is characterized by a rapidly growing population. b. is demonstrated by the sequence 12, 13, 14, 15, 16. c. is illustrated by the numbers 2, 4, 8, 16, 32. d. is characterized by resource use and consumption. e. is characterized by a slowly

22. Math

23. Suppose the number of expert gamers in California is 52,400 and is growing 20% each year. Predict the number of experts after 5 years. 24. The population of bacteria in your messy room is 36,725 and is growing at a rate of 11% each month. What would

asked by HelperNoodles on May 10, 2018
23. calculus

The population of a culture of bacteria, P(t), where t is time in days, is growing at a rate that is proportional to the population itself and the growth rate is 0.3. The initial population is 40. (1) What is the population after 30 days? (2) How long does

asked by E on December 4, 2015
24. AP Human Geography

For an assignment, I have to use this data sheet to do a few things with the data it gives me. To get to it, go to PRB. org, click on 2008 World Population Data Sheet, and then click on 2008 World Population Data Sheet again I'm stuck in this: Construct a

25. CACULUS- EXPONENTIAL GROWTH

A population of animals in an ecological niche is growing in time so that it's rate of growth dp/dt is related to its current size by the differential equation dp/dt = 900/p^2. If time is measured in years and initially there are P(0) = 10 animals present,

asked by JIM on February 9, 2009
26. Math

The population of Circletown has been growing at an annual rate of 5% for the last 5 years. The population is now 3104 people. What was the population of Circletown 5 years ago?

asked by Samay on December 4, 2017
27. math

The population of Circletown has been growing at an annual rate of 5% for the last 5 years. The population is now 3104 people. What was the population of Circletown 5 years ago?

asked by Joe on December 4, 2017
28. maths

The population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent per year. Assuming that the world population follows an exponential growth model, find the projected world population in 1991.

asked by shipra on May 17, 2016
29. maths

The population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent per year. Assuming that the world population follows an exponential growth model, find the projected world population in 2015.

asked by Anonymous on July 18, 2012
30. Population growth

The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P = Aekt where A and k are constants. (a) With the aid of appropriate examples, explain

asked by Sinha on June 22, 2012
31. Social Studies

What is the main cause of growing population levels in China? A. China has the largest population in the world. B. The government is moving villages to make more park land. C. New factories and ways of life are producing more waste.** D. More and more

asked by CanYouHelpMe on March 14, 2017
32. college algebre

There are approximately 314 million people in the U.S. If the world population is 7.1 billion people, what percent of the world population is in the U.S.? (round to one decimal place)

asked by tim on September 15, 2015
33. Math AP Calc

In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing exponentially, when (in what month of what year) will the population reach 1 billion people?

asked by Leanna on August 29, 2010
34. Geography

Which of the following statements does NOT correctly describe current population trends? A. Over the past 100 years, population growth has been rapid. ******** B. Population growth rates are slowing in most places. C. Some countries face challenges

asked by Anonymous on September 15, 2017
35. Math

I have no idea how to even start this problem. In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing exponentially, when (in what month of what year) will the population reach 1 billion

asked by Anonymous on August 29, 2010
36. math

Suppose there are approximately 314 million people in the U.S. If the world population is 6.8 billion people, what percent of the world population is in the U.S.?

asked by santana on February 7, 2017
37. math

Seven people rowed 12 miles downstream with the current in 1.5hrs. Coming back upstream against the current covered the same distance but took 4 hours. Find the people rowing rate in the still water and the rate of the current

asked by Sue on March 20, 2015
38. Calculus

The population in certain country is growing at the rate of 7 % a year . If the population in the year 1995 was 190 million, (a)determine an exponential expression representing the population as a function of the year. (b) What will the population be in

asked by Migena on October 23, 2013
39. calculus

The population of a country was 8.4 million people in 2000. Three years later, the population of the same nation was 9.3 million people. Assuming that population is growing exponentially, what is the projected population (rounded to one-tenth of a million)

asked by Dave on November 10, 2011
40. Algebra

Wk 6 Sec 12.7 #24 World population growth In 2008 the world population was 6.7 billion and the exponential growth rate was 1.14% per year. A.Find the exponential growth function B.Predict the world’s population in 2014 C.When will the world’s

asked by mema on June 8, 2011
41. Math

In 1987, the population of Mexico was estimated at 82 million people, with an annual growth rate of 2.5%. The 1987 population of the United States was estimated at 244 million with an annual growth rate of 0.7%. Assume that both populations are growing

asked by SC on November 5, 2009
42. Math

The population of Andhra Pradesh was 5.4 * 10^7 in 1988. If the population was growing at a constant rate of 2.4% per annum, what was the population in 2008 A.D ( Given that (1.024)^20 = 1.60694)

asked by Suraj on November 20, 2017
43. math

The growth rate of a population of rabbits in a forest preserve is modeled by the logistic equation dp/dt =0.005p(300-0) . What is the rate of change in the rabbit population when it is growing the fastest?

asked by shanna on February 25, 2018
44. Math-Reiny Help! Previous Problem

In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing exponentially, when (in what month of what year) will the population reach 1 billion people? How do you know it's the 6th month?

asked by Leanna on August 29, 2010
45. Math

In 1951, the population of India was 357 million people. By 1981 it had grown to 984 million. If the population is growing exponentially, when (in what month of what year) will the population reach 1 billion people? How do you know what month? -Reiny

asked by Leanna on August 29, 2010
46. math

the population of a town is declining at a rate of 4.1% per year. the current population is 25000. 1)what will the population be in 7 years. 2) how long will it take the population to reach 15000?

asked by Riana on December 12, 2013
47. Calculus

The population of a region is growing exponentially. There were 40 million people in 1980 (when t=0) and 50 million people in 1990. Find an exponential model for the population (in millions of people) at any time t, in years after 1980. P(t)= Predicted

asked by Z32 on October 6, 2009
48. Math

Assume the carrying capacity of the earth is 9 billion. Use the 1960s peak annual growth rate of 2.1​% and population of 3 billion to predict the base growth rate and current growth rate with a logistic model. Assume a current population of 6.8 billion.

asked by Sarah on March 26, 2017
49. Calculus

Year 1960 1970 1980 1990 2000 Rate 39 59 64 89 106 of change (million people per year) Use this data to sketch a graph like that in Figure 5.2 on page 238. Draw rectangles on this graph (as in Figure 5.2) to help you underestimate the total change in the

asked by Erika on November 7, 2010
50. Trigonometry

In 2010, the population of a country was 70 million and growing at a rate of 1.9% per year. assuming the percentage growth rate remains constant express the population P, as a function of t, the number of years after 2010.

asked by Jamie on January 15, 2013
51. Algebra

townsville had a population of 90000 in 1998. the population is growing at an annuall rate of 1.5%. Predict to the nearest whole number the population of Townsville by the year 2010.

asked by Sam on June 6, 2011
52. science

Which of the following is an example of population density? a) Asia has the highest birth rate b) the city of Philadelphia has over 200 people per square mile c) Brazil has the largest annual growth rate d) the population of south america is about 200

asked by pam on September 9, 2010
53. Algebra II

A population growing at a rate of 1.6% per year from an initial population of 11000 will grow in t years to an amount How many years will it take the population to triple?

asked by Arielle on November 8, 2011
54. calculus

A population is currently 400 and growing at a rate of 6% per year. If the population continues this trend, how many full years does it take to at least double?

asked by Anonymous on January 28, 2018
55. math 117/algebra

The US population 1990 was approximately 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The above formula for the US then becomes P(in millions) = 250 x 1(y - 1990)/66 (1) What will the population of the

asked by Diana on June 22, 2007
56. calculus

Suppose you know that a population,P, of termites is growing continuously in an exponential manner. (Use the formant P=P0e^kt) If the pest control service estimates that the number of termites will double in 6 months... A) Determine the monthly continuous

asked by Vic on September 25, 2013
57. math

In 2000 the population of a state was 5 million and growing continuously at a rate of 3.4% per year. a) Write a function that models the state’s population in millions x years after 200. b) Graph f in 0,10,1 by 4,7,1 c) Estimate the state’s population

asked by angel on April 19, 2012
58. 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

asked by michelle on May 22, 2010
59. Precalc

A colony of 1000 weevils grows exponentially to 1750 in one week. a) At what continuous rate is the population growing? b) How many weeks does it take for the weevil population to reach 3000?

asked by Waleed on May 3, 2018

How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place. My essay: Today's world population growth compared to the population growth 100 years ago is a big, big difference. The

asked by andrew on November 14, 2014

The population of a small town is decreasing at a rate of 6% per year. If the town's population is 12,500 in 2017, what will the population be in 6 years? 8,623 people 8,000 people

asked by Jass on June 6, 2017
62. Social Studies

What is the main cause of growing pollution levels in China? A. China has the largest population in the world B. The government is moving villages to make more park land C. New factories and ways of life are producing more waste** D. More and more young

asked by Asia on March 9, 2016
63. math

A town now has a population of 300,000 people and an annual growth rate of 4.5%. If this rate continues, in how many years will the population be more than 500,000 people?

asked by Gio on May 2, 2010
64. calculus

The number of U.S. citizens 65 and older from 1990 through 2050 is estimated to be growing at the rate of, R(t)=0.063t^2 -0.48t+3.87, (0 less than or = t less than or = 15) million people/decade, where t is measured in decades and t = 0 corresponds to

asked by mar on November 30, 2014
65. Science

Discuss the importance ofeach step in the scientific method: why do you think scienctists utilize this type of experimentation? the only thing I could come up with was finding ways to keeps us alive, how fast the human population is growing and the

asked by tracey on September 3, 2007
66. Creative Writing

What are some plus and minuses of growing up males, and what are some plus and minuses of growng up females? the topic is: who has an easier time growing up; males or females My opinion: I don't think the difference is tremendous, but in most ways boys

asked by y912f on December 8, 2009
67. Calculus

Assuming the population of the earth changes at a rate proportional to the current population further, it is estimated that at time t=0, the earth's population was 600 million, at t=300, it's population was 2.8 billion. find an expression giving the

asked by Brian J on December 1, 2017
68. Calculus

assuming the population of the earth changes at a rate proportional to the current population further, it is estimated that at time t=0, the earth's population was 600 million, at t=300, it's population was 2.8 billion. find an expression giving the

asked by Brian on December 1, 2017
69. math

the population of a southern city follows the exponential law. If the population doubled in size over an 18 month period and the current population in 10000, what will be the population 2 years from now? the equation for the exponential equation is: A=ao e

asked by kayla on November 21, 2008
70. english

Please make a question 1. In 1982 it was a fishing village with two main roads, fields, and a population of 3 million. It is growing at an incredible speed (make a question with sentence "it is growing at an incredible speed ") 2. China is changing. It is

asked by ina on April 6, 2016
71. College Mathematics

Guys, could you please help me with this problem? I'm a bit lost. Consider a population that begins growing exponentially at a rate of 5% per year and then follows a logistic growth pattern. If the carrying capacity is 100 million, find the actual growth

asked by Miguel on August 8, 2008
72. Calculus

Assuming that Switzerland's population is growing exponentially at a continuous rate of 0.21 percent a year and that the 1988 population was 6.8 million, write an expression for the population as a function of time in years. (Let t=0t=0 in 1988.) I got 6.8

asked by Regina on April 19, 2017
73. Math

A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

asked by Wynter on February 21, 2013
74. Calculus

A population is currently 400 and growing at a rate of 6% per year. (a) Write a formula for the population P as a function of time t in years: P(t)= 400(1+.06)^t (b) If the population continues this trend, what will it be in ten years? (Round off to the

asked by Anonymous on January 28, 2018
75. Maths

Can you help me with this? I don't know how to figure it out. the population growing at an annual rate r will triple in a time t given by the formula t = ln 3/r If the growth rate remains constant and equals 9% per year, how long will it take the

asked by Issie on July 7, 2016
76. science

Exercise 2. Starting with a hypothetical population of 14,000 people and an even age distribution (1,000 in each age group from 1-5 to 66-70 years), assume that the population initially has a total fertility rate of 2.0 and an average life span of 70

asked by sarah on March 27, 2010
77. Math

The population of Las Vegas, Nevada in 2000 was 478,000 and is increasing at the rate of 6.28% per year. At this rate, when will the population reach 1 million people?

asked by Maisy on June 12, 2011
78. ENVIRONMENTAL SCIENCE

1.4. The population of endangered Partula snails on a small island is currently 325. Conservation measures have been implemented and the population is growing exponentially at a rate of 0.83%. In what year is the snail population expected to reach the

asked by Anonymous on October 22, 2015
79. Calculus

A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

asked by Shan on June 7, 2013
80. Pre Calculus

17. population growing at an annual rate r will triple in a time t given by the formula t = ln 3/r If the growth rate remains constant and equals 9% per year, how long will it take the population of the town to triple? a. 6 . 6 years b. 1 years c. 5 . 3

asked by Jessica Maths on July 6, 2016
81. Calculus

The population of a colony of bacteria is modeled by the function p(x)=50(e^-x - e^-x^2)+10 ,for 0 ≤ x, where population P is in thousands, x is in hours, and x = 0 corresponds to the moment of introduction of a certain chemical into the colony's

asked by Mary on October 16, 2014
82. Math

A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

asked by Beauty on September 27, 2012
83. math

A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

asked by TEETEE on September 27, 2012
84. math

The population of a slow growing bacterial culture can be represented by the function P(t)=t^2-0.7t+10, where t is measured in seconds. a) Determine the populations of bacteria at 2.5 seconds. b) Determine the average rate of change in the bacteria

asked by Anonymous on February 2, 2013
85. math

A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

86. Algebra

Solve. The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke^0.12t where k is a constant and t is the time in years. If the current population is 15,000, in how many years is the

asked by Sam-bo. on June 12, 2010
87. Math

7) A population of ants is growing at a rate of 8% a year. If there are 160 ants in the initial population, find the number of ants after 6 years.

asked by Sherhaida malali on July 13, 2017
88. Math

The population of New York doubles during the workday. At the end of the workday, the population decreases by half. If the population in New York City is roughly 4,000,000 people before rush hour, and the morning rush hour lasts 3 hours, what would be the

asked by Jessica on September 21, 2013
89. Algebra

A population of ants is growing at a rate of 10% per month. What is the growth factor?

asked by Emma on June 28, 2014

What is the current world population of clownfish?

asked by Chloe on February 14, 2009
91. Demography

What is the current total world population??

asked by Winniefred on March 20, 2016
92. socials

definitions developed country: Country with a highly developed economy, with a strong service sector and often an industria base. Citizens have the highest standards of living in the world, with high levels of literacy, health services, and food supplies.

93. math

In 2000,the population of Arizona was 5 million and growing continuously at a rate of 3.1% per year. Write a function f that models Arizona's population in millions x years after 2000.

asked by Amanda on June 16, 2011
94. calculus

India's population has been catching up with China, with 1132 million in mid-2007 and growing at 1.6% per year, versus China then with 1318 million and growing at only 06%. If these rates continue, when will India have more people than China?

asked by Anonymous on October 21, 2010
95. calculus

India's population has been catching up with China, with 1132 million in mid-2007 and growing at 1.6% per year, versus China then with 1318 million and growing at only 0.6%. If these rates continue, when will India have more people than China?

asked by Anonymous on October 21, 2010
96. science

Population distribution describes the ________.? a) immigration of people from one nation to another b) wanderers who move from place to place c) relation of people to the physical features and to each other d) migration of people from one geographical

asked by pam on September 8, 2010
97. 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

asked by Kate on March 28, 2010
98. History

. Which statement best summarizes New Mexico's population changes after World War II? A)The population of the state almost doubled between 1940 and 1960. B)New Mexico's population grew quickly before the war but slowed afterwards. C)Most people who moved

asked by Appreciated Help on September 28, 2015
99. pre-calc

The city planners of bakersfield, CA are studying the current and future needs of the city. The sewage system they have in place now can support 300,000 residents. The current population of the city is 180,000, up from 122,000 eight years ago. Assuming