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
damaskus [11]
3 years ago
7

The fish population in a local stream is decreasing at a rate of 2.5% per year. The original population was 45,000. Write an exp

onential function to model this situation. Use y and x as your variables.
Mathematics
1 answer:
Julli [10]3 years ago
4 0

Answer:

y=45000(1-0.03)^x

Step-by-step explanation:

1) the exponential decay formula is

y=c(1-r)^x

where c= starting amount

r=rate of change

x=time

so

y=45000(1-0.03)^x

y=45000-1350x

You might be interested in
Cara buys 2.5 yards of fabric for a dress that she is making. If the fabric costs $4.50 per yard, what does she pay?
Rama09 [41]
4.50 × 2 = 9.00

4.50 ÷ 2 = 2.25

9.00 + 2.25 = 11.25

$11.25
7 0
3 years ago
Read 2 more answers
Price-club sells a 12-ounce box of crackers for $2.59 and Shop Mart sells 1-1/2 pound box of crackers for $4.68. What is the uni
katen-ka-za [31]

Unit price would be the price per ounce.

Divide the total cost by the number of ounces:

Price Club : 2.59 / 12 = $0.216 per ounce

Shop Mart: 1-1/2 pounds = 1.5 x 16 = 24 ounces.

4.68 / 24 = $0.195 per ounce.

7 0
3 years ago
Read 2 more answers
2 x [20 + 8 = (6 + 2)] + 10 x 2
Troyanec [42]

Answer: 7.73 x 2 = 15.46

Step-by-step explanation: 7.73x

4 0
2 years ago
The total interest on a 5 year 5.2% loan with a principal of $10,000 is 10,000 × 0.052 × 5 = $2,600.
ruslelena [56]

Answer:

truee

Step-by-step explanation:

i had this answer on my test and if i dont get it right sorry

6 0
2 years ago
Given the triangle below, which of the following equations correctly represents the relationship between a, b, and c?
maxonik [38]

Answer:

C. c^2=a^2+b^2-2abcos(90°)

Step-by-step explanation:

This is the law of cosine.

7 0
3 years ago
Read 2 more answers
Other questions:
  • I need help, please help me
    6·1 answer
  • Please help me with this question.​
    7·1 answer
  • A motorcycle with an initial value of $14,000 is decreasing in value at a rate of 3% each year. At this rate, approximately what
    7·1 answer
  • A strawberry pie was cut into 12 slices . Mark ate 1/4 the pie. How many slices of pie did Mark eat?
    11·1 answer
  • Use the counting principle to determine the number of elements in the sample space. Two digits are selected without replacement
    10·1 answer
  • A massage costs $81.50 per hour. How much will a massage for 2.5 hours cost
    11·2 answers
  • The diagram shows a dilation of segment AB. Which
    10·2 answers
  • PLEASE HELP IM DESPERATE I have no clue about this
    10·2 answers
  • Write and expression to find the perimeter of the rectangle. (5 points)
    8·1 answer
  • Gabriela believes that purchasing the sound system is an essential purchase . Does that mean buying a sound system is an essenti
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!