Mathematics, 04.05.2021 23:20 ethanseiter

4. The population growth rate is 3.0% per day with a current population of 30,000. a. What is the TDouble?
b. What will the populate be in 10 years?

5. The half-life of substance X is 3.5 years. How long will it take for a 96.0 mg sample of substance X to decay and only have 3.0 mg of it remaining?

6. Paul opens a savings account with $900. He deposits $550 per month. Assume that he does not withdraw money or make any additional deposits.
a. How long will it take Paul to save $8,100?
b. How long will it take Paul to save enough money for a $250,000 house?
c. Explain why your answers to 6a and 6b make sense.

7. The doubling time of a population of flies is 20 days. If there are initially 250 flies, how many flies will there be in 46 days?

8. Suppose that a bacteria population doubles every eleven hours. If the initial population is 2,000 individuals, approximately how many hours would it take the population to reach 20,000?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, coolkid20034

Need on this geometry question. explain how you did it.

Answers: 1

continue

Mathematics, 21.06.2019 19:00, vane6176

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Answers: 3

continue

Mathematics, 21.06.2019 20:30, tatipop49

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Answers: 2

continue

Mathematics, 21.06.2019 20:40, mimithurmond03

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.

Answers: 3

continue

You know the right answer?

4. The population growth rate is 3.0% per day with a current population of 30,000. a. What is the...