sao4135 sao4135

24-02-2021
Mathematics

contestada

The number of bacteria in a culture is increasing according to the law of exponential growth. After 3 hours, there are 200 bacteria, and after 5 hours, there are 800 bacteria. How many bacteria will there be after 7 hours?

Relax

Respuesta :

24-02-2021

Answer:

Step-by-step explanation:

200(1+r)⁵⁻³ = 200(1+r)² = 800

(1+r)² = 4

1+r = 2

r = 100%

800(1+r)⁷⁻⁵ = 800·2² = 3200

Answer Link

Otras preguntas

An allogenic skin graft allows a person with a burn to receive skin from a donor. Patients are often given drugs to suppress their immune system. Why would a pa

Write an expression that is equivalent to three over four(5z + 16).

In which of the following ways did Alexander Hamilton die? Select one: a. He died of old age. b. He died in a gun duel. c. He died after being trampled by horse

Which of these areas is known for being the home of some of the world’s earliest civilizations? a. the Rub al Khali b. the Iranian Plateau c. the Hindu Kush d.

Given that 310 = 59 049 , what is 3-10 expressed as an exact value?

Given the equation 5x − 4 = –2(3x + 2), solve for the variable. Explain each step and justify your process. B. Megan solved a similar equation below. Is Megan's

B/Which sentence does not contain any errors? a. Its' like something my mother wore thirty years ago. b. It's like something my mother wore thirty years ago. c.

Which of the following statements best describes food production in the Middle East today? a. Most countries produce more food than they need. b. Most countries

When 12 is added to a number the result is 32 less than 3 times the number. What is the number? plz help

Which of these best illustrates natural selection? A. The largest organisms in a species are most likely to survive and reproduce, passing on their genes to off