mgiannino21 mgiannino21

07-06-2017
Mathematics

contestada

A scientist counts 25 bacteria present in a culture and finds that the number of bacteria triples each hour. The function y = 25 ∙ 3x models the number of bacteria after x hours. Estimate when there will be about 1170 bacteria in the culture.

Respuesta :

budwilkins budwilkins

08-06-2017

1170 = 25•3x
1170 = 75x
x = 1170/75 = 15.6 hours

Answer Link

Otras preguntas

Marilyn ate 320 pounds of vestebles last year. How many ounces did she eat per month? Round to the nearest tenth.

The smallest unit of an element that has all of the properties of the element is a/an

What is 24 - ( -14 ) =

The development of a new experimental method is most likely to change a theory if it makes it possible to

find the surface area of the sphere shown r=2 please show work

Solve the equation. x+7=−8

University libraries are _______ to the public. A. hostile B. closed C. inaccessible D. open

Long descriptions should follow a logical order. a. True b. False

What is an opposite like in negatives and stuff?

Choose the sentence below in which of is used correctly. A. We should of left early. B. The three girls might of broken the records. C. The boys surrendered,