menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A certain forest covers an area of 3400 km2. Suppose that each year this area decreases by 7%. What will the area be after 15 years?
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A certain forest covers an area of 3400 km2. Suppose that each year this area decreases by 7%. What will the area be after 15 years?
asked
Mar 24, 2018
66.8k
views
4
votes
A certain forest covers an area of
3400 km2. Suppose that each year this area decreases by 7%. What will the area be after 15 years?
Mathematics
high-school
Manoj Pandey
asked
by
Manoj Pandey
8.1k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
2
votes
The general equation for the area of the forest after t years is
A(t)=4300*(.93)^t
.93 since 7 percent decrease means 93 percent stays behind. Now plug in t=12
A(12)=4300(.93)^12=1799.964
So about 1800Km^2 will be left after 12 years.
Ramzan Zafar
answered
Mar 26, 2018
by
Ramzan Zafar
7.9k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
5
votes
3400(0.93)^t
3400(0.93)^15= 1144.782931 km2
Trisha
answered
Mar 31, 2018
by
Trisha
8.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jul 16, 2018
43.9k
views
A certain forest covers an area of 3400 km2 . suppose that each year this area decreases by 7.75% . what will the area be after 6 years?
Sherwood Callaway
asked
Jul 16, 2018
by
Sherwood Callaway
8.9k
points
Mathematics
high-school
1
answer
5
votes
43.9k
views
asked
Aug 10, 2018
56.6k
views
A certain forest covers an area of 3400 km^2. Suppose that each year this area decreases by 7%. What will the area be after 15 years?
Ryankdwyer
asked
Aug 10, 2018
by
Ryankdwyer
8.0k
points
Mathematics
high-school
2
answers
5
votes
56.6k
views
asked
Jan 27, 2020
7.1k
views
Forest covers an area of 3400 km^2. Each year this area decreases by 7.25%. What will the area be after 13 years
Dowomenfart
asked
Jan 27, 2020
by
Dowomenfart
8.2k
points
Mathematics
high-school
1
answer
5
votes
7.1k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org