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
weeeeeb [17]
3 years ago
12

In a village, the cases of a particular infectious disease have been exponentially decreasing at a rate of 80% per year since th

e people started receiving the vaccine. If there were 200 cases in the village to start with, predict the number of cases after 2 years.
Mathematics
1 answer:
adoni [48]3 years ago
4 0

Answer:

8

Step-by-step explanation:

Exponential decay is expressed by an equation of the form:

A = P(1 - r)^t

where P = initial value, r = annual rate of decay, t = time in years

A = 200(1 - 0.80)^2

A = 8

You might be interested in
Need help with formula. Population of people is 5.3 per square mile and is 39 thousand square mile in size. What is the populati
VladimirAG [237]

Answer:

P = 5.3x = 206,700

Step-by-step explanation:

P = population

P = 5.3x, where x is the square miles

p = 5.3(39000) = 206,700

5 0
3 years ago
If a cylinder has a height of 15cm and 6cm radius.And Jenny has a 15litre bag of compost.How many flowerpots can she fill comple
Veronika [31]
I hope this helps you



volume of cylinder =pi.r^2.h


volume =3,14×6^2×15


volume = 1695,6

1695,6÷15=113,04
3 0
3 years ago
What is the lcd of 1/4 and 2/3
Rudiy27
I hope this will help u <span>It looks like 12 is the smallest number that can be divided by both 3 and 4, so 12 is our LCD. Since 12 is the LCD, it will be the new denominator for our fractions. Now we'll change the </span>numerators<span> of the fractions, just like we changed the denominators. First, let's look at the fraction on the left: 1/4.</span>
6 0
2 years ago
Read 2 more answers
Help please!!!!:::_))
sleet_krkn [62]

Answer with Step-by-step explanation:

Independent:Tickets,Shopping list,weight,Hiking,Mushrooms in the bridge,Number of trophies

Dependent:Money,Shopping bas,price of customer's order,snacks,mushroom tarts, shelves on the case

5 0
2 years ago
What is the area of this face plz help!!!!
Alexxx [7]

Answer:

The image is blurry on my screen

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • If the chair lift is 25 feet above the ground, will Jorge have 0, 1 or 2 chances to catch the camera
    13·1 answer
  • Simplify 7x +42/ x2+13x +42
    5·2 answers
  • A red die, a blue die, and a yellow die (all six sided) are rolled. we are interested in the probability that the number appeari
    9·1 answer
  • Two angles are supplementary. One angle measures 2x, and the other angle measures 3x - 15. Which equation can you use to find th
    5·2 answers
  • Please answer to this question ​
    15·1 answer
  • If 2 inches is about 5.08 centimeters, about how many inches is 32 centimeters? Round your answer to the nearest hundredth if ne
    14·1 answer
  • HELP PLEASE!! ill give brainiest &lt;3
    15·2 answers
  • Please Answer! I have been working on this for an hour and can't get it!
    12·1 answer
  • Helpppppppppppp WILL MARK BRAINLIST
    15·1 answer
  • Does anyone know the answer to this ?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!