Question

A new McDonalds has an initial population of 99, which doubles in three and a half...

A new McDonalds has an initial population of 99, which doubles in three and a half years.

  1. Find the formula for the population
  2. How long will it take for the population to reach 1,980
  3. What is the average population in the next 50 years

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
If a bacteria population starts with 125 bacteria and doubles in size every half hour, then...
If a bacteria population starts with 125 bacteria and doubles in size every half hour, then the number of bacteria after t hours is n = f(t) = 125 · 4t. (a) Find the inverse of this function. t =  log4​(t125​)    Explain its meaning. a The inverse function gives the population after half an hour has passed. b The inverse function gives the population after 4 hours have passed.      c The inverse function gives the number of hours that have...
A nuclide has a half life of 2.41 x104 years. How long will it take a...
A nuclide has a half life of 2.41 x104 years. How long will it take a sample to reach a level of radioactivity that is 2.5% the level it had when it was first made?
A. (1) What is the future value of an initial $100 after three years if it...
A. (1) What is the future value of an initial $100 after three years if it is invested in an account paying 10%annual interest? (2) What is the present value of $100 to be received in three years if the appropriate interest rate is 10%? B. We sometimes need to find how long it will take a sum of money (or anything else) to grow to some specified amount. For example, if a company’s sales are growing at a rate...
1. A population grows according to an exponential growth model. The initial population is P0=12, and...
1. A population grows according to an exponential growth model. The initial population is P0=12, and the common ratio is r=1.45 Then: P1 = P2 = Find an explicit formula for Pn. Your formula should involve n. Pn =    Use your formula to find P9 P9= Give all answers accurate to at least one decimal place 2. Assume there is a certain population of fish in a pond whose growth is described by the logistic equation. It is estimated that...
Assume a firm is considering a new project that requires an initial investment and has equal...
Assume a firm is considering a new project that requires an initial investment and has equal sales and costs over its life. Will the project reach the accounting, cash, or financial break-even point first? Which will it reach next? Last? Will this ordering always apply? Describe using an example
A decomposition reaction has a rate constant of 0.0037 yr −1. (a) What is the half-life...
A decomposition reaction has a rate constant of 0.0037 yr −1. (a) What is the half-life of the reaction? yr (b) How long does it take for [reactant] to reach 12.5% of its original value? yr
one of the radioactive materials released during the Fukishima disaster was cesium-134, cesium-134 has a half...
one of the radioactive materials released during the Fukishima disaster was cesium-134, cesium-134 has a half life of 2.1 years. How long will it take for this material to lose the following amount of it's radioactivity: A: 90% B: 99% C: 99.9%
A parent isotope has a half-life τ1/2 = 104yr = 3.15 × 1011sec. Among the daughters...
A parent isotope has a half-life τ1/2 = 104yr = 3.15 × 1011sec. Among the daughters the greatest half-life is 20yr. Others are less than a year. At t = 0 one has 1020 parent nuclei but no daughters. (a) At t = 0 what is the activity (decays/sec) of the parent isotope? (b) How long does it take for the population of the 20yr isotope to reach approximately 97% of its equilibrium value? (c) At t = 104yr how...
An analyst wants to save $10,000 for a new car and currently has $8,000. If he...
An analyst wants to save $10,000 for a new car and currently has $8,000. If he invests the $8,000 at a 5.5% annual interest rate, how long will it take for this investment to reach $10,000?   4.9 years 4.6 years 4.2 years 5.0 years 4.5 year
1. Assume the time a half hour soap opera has an average of 10.4 minutes of...
1. Assume the time a half hour soap opera has an average of 10.4 minutes of commercials. Assume the number of minutes of commercials follows a normal distribution with standard deviation of 2.3 minutes. a. Find the probability a half hour soap opera has between 10 and 11 minutes of commercials. [Give three decimal places] b. The lowest 10% of minutes of commercials is at most how long? (In other words: find the maximum minutes for the lowest 10% of...