Homework Answers
Add Answer to:
If t is in years since 1990, one model for the population of the world, P,...
World Population The total world population is forecast to be P(t) = 0.00065+3 – 0.0717+2 +0.961...
World Population The total world population is forecast to be P(t) = 0.00065+3 – 0.0717+2 +0.961 + 6.04 (Osts 10) in year t, where t is measured in decades, with t = 0 corresponding to 2000 and P(t) is measured in billions. (a) World population is forecast to peak in what year? Hint: Use the quadratic formula. (Remember that t is in decades and not in years. Round your answer down to the nearest year.) (b) At what number will...
The table below gives the estimated world population (in billions) for various years. Year 1980 1990...
The table below gives the estimated world population (in billions) for various years. Year 1980 1990 1997 2000 2005 2011 Population 4400 5100 5852 6080 6450 7000 Linear Regression Equation: ____________________ Correlation Coefficient (r): _________ Type of Correlation: ______________________ Is the correlation strong? Explain Using the linear regression equation predict the world population in the year 2015.
12.57 A logistic growth model for world population, f(x), in bilions, x years after 1968 is...
12.57 A logistic growth model for world population, f(x), in bilions, x years after 1968 is f(x) 1+4.11e-0026x According to this model when will the world population be billion According to this model, the world population will be 7 bilion in I (Round to the nearest whole number as needed)
6. 0.2/1 points | Previous Answers SCalcET8 9.4.009 My Notes Ask Your Suppose the population of the world was about 6.4 billion in 2000. Birth rates around that time ranged from 35 to 40 million per...
6. 0.2/1 points | Previous Answers SCalcET8 9.4.009 My Notes Ask Your Suppose the population of the world was about 6.4 billion in 2000. Birth rates around that time ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's assume that the carrying capacity for world population is 20 billion (a) Write the logistic differential equation for these data. (Because the initial population is small compared to the carrying capacity,...
2. [-75 Points] DETAILS SCALCCC4 7.5.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The population of...
2. [-75 Points] DETAILS SCALCCC4 7.5.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The population of the world was about 5.3 billion in 1990. Birth rates in the 1990s ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's assume that the carrying capacity for world population is 100 billion. (Assume that the difference in birth and death rates is 20 million/year 0.02 billion/year.) (a) Write the logistic differential equation...
Hi, I'm stuck. HELP!!!!! 0/2.2 points 21. Previous Answers SCalcET8 9.4.501.XPM My Notes Ask Your Teacher...
Hi, I'm stuck. HELP!!!!!
0/2.2 points 21. Previous Answers SCalcET8 9.4.501.XPM My Notes Ask Your Teacher The population assume that the carrying capacity for world population is 140 billion. (Assume that the difference in birth and death rates is 20 million/year f the world was about 5.3 billion in 1990. Birth rates in the 1990s ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's 0.02 billion/year.) the initial (a)...
28. In 1980 the world population was approximately 4.5 billion and in the year 2000 it...
28. In 1980 the world population was approximately 4.5 billion and in the year 2000 it was approximately 6 billion. Assume that the world population at each time t increases at a rate proportional to the population at time t. Measure t in years after 1980. a) Find the growth constant and give the world population at any time t. b) How long will it take for the world population to reach 9 billion (double the 1980 population)? c) The...
The population of a certain state (in thousands) from 1990 (t = 0) to 2000 (t=...
The population of a certain state (in thousands) from 1990 (t = 0) to 2000 (t= 10) is modeled by the polynomial p(t) = -0.376+ 108t + 7066. a. Determine the average growth rate from 1990 to 2000. b. What was the growth rate for this state in 1994 (t = 4) and 2000 (t = 10)? c. Use a graphing utility to graph p' for Osts 10. What does this graph tell you about population growth in this state...
In 2,006, the population of Hungary was approximated by the function P(t) = 9.906(0.997) where Pis...
In 2,006, the population of Hungary was approximated by the function P(t) = 9.906(0.997) where Pis in millions and t is in years since 2,006. What does this model predict for the population of Hungary in the year 2,025? NOTE: Convert your answer to millions of people and round correct (e.g. 3,257,456.85 would round to 3,257,456) 9,356,357 QUESTION 2 How fast does the model predict Hungary's population will be changing from 2,008 to 2,0227 NOTE: Multiply your answer by 1,000,000...
1.A company's annual net sales(in billions of dollars) is given by the model S(t)= 5.6e0.06twhere t...
1.A company's annual net sales(in billions of dollars) is given by the model S(t)= 5.6e0.06twhere t is years since 1990. In what year are the annual net sales expected to reach 54.32 billion dollars? Show organized and detailed work. 2. The amount of an autooimmune drug decays exponentially. A dose of 50mg is administered at the beginning of the month, then 4 days later there is 44mg of the drug in the body. which is an exponential decay model for...
World Population The total world population is forecast to be P(t) = 0.00065+3 – 0.0717+2 +0.961 + 6.04 (Osts 10) in year t, where t is measured in decades, with t = 0 corresponding to 2000 and P(t) is measured in billions. (a) World population is forecast to peak in what year? Hint: Use the quadratic formula. (Remember that t is in decades and not in years. Round your answer down to the nearest year.) (b) At what number will...
12.57 A logistic growth model for world population, f(x), in bilions, x years after 1968 is f(x) 1+4.11e-0026x According to this model when will the world population be billion According to this model, the world population will be 7 bilion in I (Round to the nearest whole number as needed)
6. 0.2/1 points | Previous Answers SCalcET8 9.4.009 My Notes Ask Your Suppose the population of the world was about 6.4 billion in 2000. Birth rates around that time ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's assume that the carrying capacity for world population is 20 billion (a) Write the logistic differential equation for these data. (Because the initial population is small compared to the carrying capacity,...
2. [-75 Points] DETAILS SCALCCC4 7.5.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The population of the world was about 5.3 billion in 1990. Birth rates in the 1990s ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's assume that the carrying capacity for world population is 100 billion. (Assume that the difference in birth and death rates is 20 million/year 0.02 billion/year.) (a) Write the logistic differential equation...
Hi, I'm stuck. HELP!!!!!
0/2.2 points 21. Previous Answers SCalcET8 9.4.501.XPM My Notes Ask Your Teacher The population assume that the carrying capacity for world population is 140 billion. (Assume that the difference in birth and death rates is 20 million/year f the world was about 5.3 billion in 1990. Birth rates in the 1990s ranged from 35 to 40 million per year and death rates ranged from 15 to 20 million per year. Let's 0.02 billion/year.) the initial (a)...
The population of a certain state (in thousands) from 1990 (t = 0) to 2000 (t= 10) is modeled by the polynomial p(t) = -0.376+ 108t + 7066. a. Determine the average growth rate from 1990 to 2000. b. What was the growth rate for this state in 1994 (t = 4) and 2000 (t = 10)? c. Use a graphing utility to graph p' for Osts 10. What does this graph tell you about population growth in this state...
In 2,006, the population of Hungary was approximated by the function P(t) = 9.906(0.997) where Pis in millions and t is in years since 2,006. What does this model predict for the population of Hungary in the year 2,025? NOTE: Convert your answer to millions of people and round correct (e.g. 3,257,456.85 would round to 3,257,456) 9,356,357 QUESTION 2 How fast does the model predict Hungary's population will be changing from 2,008 to 2,0227 NOTE: Multiply your answer by 1,000,000...
Most questions answered within 3 hours.
-
Kylie is a single mom with two dependent children,
Tanner, age 7 and Olivia, age 11....
asked 8 minutes ago -
Phosphorous + bromine = phosphorous tribromide. If 35.0 g of
bromine are reacted and 27.9 grams...
asked 1 hour ago -
Derive the long wavelength limit of the Planck energy density
distribution
asked 1 hour ago -
Calculate the pH of each of the following solutions.
0.50 M HBr
3.1×10−4 M KOH
4.2×10−5...
asked 5 hours ago -
For the year ended December 31, Depot Max’s cost of merchandise
sold was $85,600. Inventory at the...
asked 5 hours ago -
Week 10 - Professional Memo Assignment
Professional Memo Assignment
Your mission for this week, should you...
asked 5 hours ago -
Write a Python program that stores the data for each
player on the team, and it...
asked 5 hours ago -
In
the last 3 months, mike never knows when he is going to get his
allowance...
asked 5 hours ago -
Is Ca(OH)2 a Bronsted base, Lewis base, or both? Why?
asked 5 hours ago -
1A- Why don’t voters complain about U.S. tariffs on imported
sugar?
Because sugar is only a...
asked 5 hours ago -
Cash Payback Period
Primera Banco is evaluating two capital investment proposals for
a drive-up ATM kiosk,...
asked 5 hours ago -
Create a button in Swift (Xcode) that will create a charge,
create a charge using Stripe's...
asked 5 hours ago