jayrahernandez jayrahernandez
  • 25-04-2020
  • Mathematics
contestada

How many hours will it take a culture of bacteria to increase from 20 to 2000 if the growth rate per hour is 85%

Respuesta :

lady6ex1977
lady6ex1977 lady6ex1977
  • 25-04-2020

Answer:

Approximately

7.5

hours

Step-by-step explanation:

Explanation:

We are trying to determine the value of

h

in the compound growth formula

XXX

20

×

(

1

+

0.85

)

h

=

2000

or, simplified:

XXX

1.85

h

=

100

Taking the

log

1.85

of both sides:

XXX

log

1.85

100

With the aid of my trusty spreadsheet:

XXX

h

≈

7.48582192

Answer Link

Otras preguntas

The perimeter of the top of a desk is 54 inches . if the length of the desk is 15 . what is the is the width of the desk
Which plan for Reconstruction was made by Rebuplicans in Congress who did not approve of Lincoln's plan? a. 10 Percent Plan b. Reconstruction Acts c. Wade-Davis
what borders Mexico on all four of its sides?
When citizens have the power to decide how a country should operate it is known as __________.
How do the climate and natural resources of an area affect its economy?
which fraction is bigger 5/8, 9/16, 1/2, 15/32
What is the brain made out of?
In what ways have science and technology changed the lives of people today?
when did the africans come to trinidad
(78 n + 42)^2, when n = 91