1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
storchak [24]
2 years ago
6

A researcher at the Centers for Disease Control and Prevention is studying the growth of a certain bacteria. He starts his exper

iment with 200 bacteria that grow at a rate of 2% per hour. He will check on the bacteria every 7 hours. How many bacteria will he find in 7 hours? Round your answer to the nearest whole number.
Mathematics
1 answer:
SpyIntel [72]2 years ago
6 0

The population of the bacteria after 7 hours is 230 bacteria.

An exponential function is given by:

y = abˣ

where y, x are variables, a is the initial value of y and b is the multiplier.

Let y represent the population of bacteria after x hours.

Given that he starts his experiment with 200 bacteria, hence

a = 200

The bacteria grow at a rate of 2% per hour, hence:

b = 100% + 2% = 1.02

The exponential equation becomes:

y = 200(1.02)ˣ

After 7 hours:

y = 200(1.02)⁷ = 230

The population of the bacteria after 7 hours is 230 bacteria.

Find out more at: brainly.com/question/12490064

You might be interested in
Imena's math test scores are 83, 93, 78, 89, and 83. She has one more math test this semester. What score most she get on the te
marshall27 [118]
87 is the median because 83 and 87's average is 85.
8 0
3 years ago
Read 2 more answers
Researchers are interested in the effect of a certain nutrient on the growth rate of plant seedlings. Using a hydroponics growth
emmainna [20.7K]

Answer:

\bar{x}=61.98

Step-by-step explanation:

The sample mean \bar{x} is a point estimate of the population mean μ.

Given the heights of the 6 tomato plants sample below:

55.6, 59.4, 59.9, 62.9, 64.9, 69.2

Point Estimate,

\bar{x}=\dfrac{55.6+59.4+59.9+62.9+64.9+69.2}{6} \\=\dfrac{371.9}{6} \\\bar{x}=61.98

4 0
3 years ago
Find the value of (+328.62) – (+98.6). A. 230.02 B. 427.22 C. –427.22 D. –230.02
Jet001 [13]

Answer:

Option A - (+328.62)-(+98.6)=230.02

Step-by-step explanation:

We have given the expression (+328.62)-(+98.6)

We have to find the value of the expression ?

Solution :

Step 1 - Write the expression

=(+328.62)-(+98.6)

Step 2 - Applying symbol rule i.e. multiplication of positive into negative is always negative, (-)(+)=(-)

=328.62-98.6

Step 3 - Solve

=230.02

Therefore, The value of the expression is (+328.62)-(+98.6)=230.02

So, Option A is correct.

7 0
3 years ago
What is the slope of the line that passes through the points(7,-9) and (15,-29)?
Alex Ar [27]
(Y-Y1)/(X-X1)
(-9-(-29))/(7-15)
20/-8
-2 1/2
The slope is -2 1/2
3 0
3 years ago
Y=x^2-6x+7 from algebra nation
alina1380 [7]

Answer:

Step-by-step explanation:

We

8 0
3 years ago
Read 2 more answers
Other questions:
  • 6/7 divided by 1 2/5
    5·1 answer
  • Jimmy is planning his birthday party! He spent $35 on balloons and chocolate cake. He bought balloons that cost $0.25 each and a
    15·1 answer
  • Which of the following is intended primarily to enhance a person's tax advantage and retirement income?
    6·2 answers
  • Absolute value equation|3x] = 9​
    14·1 answer
  • Use the Commutative Property to write an expression equivalent to –5d + 12.
    7·2 answers
  • A step by step solution. each step has clear instructions. Like a recioe
    7·1 answer
  • An oblique prism has a square base and height of 3 centimeters.
    5·2 answers
  • Plss help me with this do not add any links or they will be reported and plss do not answer just for the points thank you!!!!!!
    13·2 answers
  • Twice the difference of 1 and a number.
    10·1 answer
  • Find the Quotient 551.03 / 0.3 <br><br> please help me!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!