Q. Three years ago, the population of a certain species of bird was calculated at 20 birds per acre
This year, a biologist recorded a total of 47 birds in an area equal to 3.25 acres. By about what
percentage has the bird population in the biologist's sample decreased over the last 3 years, to
the nearest tenth?
A. 14.7%
B. 27.7%
C. 38.3%
D. 42.6%
E. 72.3%

Answers

Answer 1
14.7 because you need to decide how many the second is per acre acre at first

Related Questions

whats 5x=2x+9 i need this asap​

Answers

Answer:

How to solve your question

Subtract  

2 2x 2x

from both sides of the equation5 = 2 + 95 − 2 = 2 +9 − 2 2

Simplify

Combine like terms

3 = 9 3

Divide both sides of the equation by the same term

3 = 9 3 3= 9 3 4

Simplify

Cancel terms that are in both the numerator and denominator

Divide the numbers

= 3

Solution

= 3

Solve for the indicated side

please help!!
(4 questions)

Answers

Answer:

This isn't my area but I'll try,

1. anywhere from 35-40

2. x=8

3. 40

4. 14

I'm sorry if I'm wrong!

Answer: The answer for #1 is 42.

Step-by-step explanation:

I took the quiz.

A certain forest covers an area of 4800 km^2 . Suppose that each year this area decreases by 5.25% . What will the area be after 6 years? Use the calculator provided and round your answer to the nearest square kilometer.

Answers

Answer:

the area after 6 years is  3,473 km^2

Step-by-step explanation:

The computation of the area after 6 years is as follows:

= Area × (1 - decreased percentage)^number of years

= 4,800 km^2 × (1 - 5.25%)^6

= 4,800 km^2 × 0.9475^6

= 3,473 km^2

Hence, the area after 6 years is  3,473 km^2

if you know about functions pls help

Answers

Answer:

f(x) is exponential g(x) is quadratic

Step-by-step explanation:

c) the values of function g will exceed function f

How does the graph of f(x)=1/3|x+2| compare to the graph of g(x)=|x|

Answers

Answer:

compare to g(x) , f(x) is compressed vertically by a factor of 1/3 and shift horizontally to left for 2 units

Step-by-step explanation:

Explain in answer

The area of a square is 81 m2. What is an exponent to express this area? Please help!

Answers

Answer:

[tex]9^{2}[/tex]

Step-by-step explanation:

Hope that helps!

If an inscribed angle measures 67°, how would you find the intercepted arc?

Multiply the angle measure by two.
Set the angle and arc measures equal.
Divide the angle measure by two.

Answers

Answer:

Multiply the angle measure by two.

Step-by-step explanation:

Answer:

you would multiple the angle and measure by two

A ladder is leaning against the side of a building. The building and the ground form a right angle. How high on the
building will the ladder touch if the ladder is 17 ft long and the base of the ladder is 8 ft from the base of the building?
A. 64 ft
B. 8 ft
OC. 15 ft
O D. 16 ft

Answers

Answer:

15m

Step-by-step explanation:

(see attached)

C. 15 respectfully no other answer

Melissa made $204 for 12 hours of work.
At the same rate, how much would she make for 9 hours of work?

Answers

153 dollars because you divide 204 by 12 to see how much she made in 1 hour, you get $17. Multiple $17 by 9 to see how much she made in 9 hours which is $153

Stefan made a paper cone with a diameter of 6 inches and height of 12 inches which measurement is closest to the volume of the this cone in cubic inches?

Answers

Answer:

Step-by-step explanation:

113 in ^3  

PLEASE HELP ASAP ILL GIVE U A LOT OF POINTS AND BRAINLIEST

Answers

Answer: a=1.5+1

Step-by-step explanation:

b jvgfcd vbkbhyg

Answer:

15x

Step-by-step explanation:

parallelogram
b= 13 ft. 6 in.
h= 10 ft. 3 in.

Answers

Answer:

A=19,926in.

or

A=1660.5ft

Step-by-step explanation:

you convert the feet into inches which gives you a base of 162 inches and a height of 123 inches. Next you multiply your base and height and it gives you an Area of 19,926inches but then if you need to convert the inches back into feet by dividing 19,926 by 12. After you do that you should end up with an area of 1660.5 feet.

Find the value of x in the kite below.
x = [?]
Enter the number that goes in the green box.
Please helppp

Answers

The value of x should be 90 degrees

What is the slope for this graph?*



(3,2)
|(1,2)
(-2,1)
(-1,2)

Answers

Answer:

the slope is 0

Step-by-step explanation:

Answer:

the answer is 0 .....,..........,..,

(3x - 5) + (4x+10) + (x-5) = 90 I need to find x

Answers

x=11.25

dhehshwhwhehwhhwwbwhwh

7. Tyler works in a shoe store. Tyler earns a commission. He earns 3.5% of the amount he sells. Last
week, he sold $600 worth of shoes. How much was his commission?

Answers

ANSWER:
His commission was: 21$

EXPLICATION:
He sold 600$ which presents 100% of his sells.
We have to find how much 3.5% of this amount.
100%—->600$
3.5%—->3.5x600/100=21$

A construction company submitted bids for three contracts. The company estimates that it has a 20%
chance of winning any given bid. Let X represent the number of bids the company wins. Here is the
probability distribution of X along with summary statistics:

X = # of bids won-
0 1 2 3

P(X)-
0.512 0.384 0.096 0.008

Mean: µx=0.6
Standard deviation: σx=0.69

It costs the company a total of $2,000 to submit these bids, and they stand to gain $10,000 for each bid
they win. Let V represent their net gain from submitting these three bids.
What are the mean and standard deviation of V?
µv= ______dollars
σv=_______dollars

Answers

Answer: 4000 dollars

6900 dollars

Step-by-step explanation:

please help with this question please and will mark you brainliest so please help​

Answers

Answer:

1 and 1/24

Step-by-step explanation:

i did the math and this is what i got

if im wrong im sorry

What is the percent of decrease from 600 to 90 ??

Answers

about 510 percentage. explanation

Answer:

85%

Step-by-step explanation:

((600-90)/600) x 100 = 85%

Wendy placed an order for 4/5 of a sack of brown lentils and 2/3 of a sack of green lentils. How much more brown lentils did Wendy order?

Answers

Answer:

6/8

Step-by-step explanation:

Caleb is driving on a long road trip, He currently has 11 gallons of gas in his car, Pach
hour that he drives, his car uses up 2 gallons of gas, How much gas would be in the
tank after driving for 4 hours? How much gas would be left after t hours?

Answers

Answer:

4 hours = 3

t hours = 11-2t

Step-by-step explanation:

11 gallons = total

2 gallons are used up per hour

So:

11 - 2 * ( number of hours) = number of gallons

11 - (2 * 4) = 11 - 8 = 3

11 - (2t)

Answer:

3 gas

Step-by-step explanation:

4x2=8

8-11=3

Find the degree of the monomial.
9xy3z7

Answers

The answer is 11 :)
Your answer is 11, let me know if its correct?

What is the value of n in the equation below?

Answers

Answer:

I believe it is 12.

Step-by-step explanation:

12 - 3 = 9

Need some help with multiplying algebraic fractions

Answers

Answer:

a=10, b=5, c=2, d=12

Step-by-step explanation:

Multiply each variable together

5*2=10

8*3=24

10[tex]x^{3}[/tex][tex]y^{2}[/tex]/24x

the coefficients (numbers) can each be divided by 2

5[tex]x^{3} y^{2}[/tex]/12x

subtract the "x" exponents together

5[tex]x^{2} y^{2}[/tex]/12

pls help me i will give you brainliest

Answers

Answer:

its a linear function

Step-by-step explanation:

WILL MARK YOU BRAINLIEST

Answers

Answer:

because JKML is a parallelogram

=> JK // ML

=> KJM + LMJ = 180⁰

<=> 3x + 20 + 5x - 8 = 180⁰

<=> 8x = 168

<=> x = 21

with x = 21 => L = 4.21 - 1 = 84 - 1 = 83

how do you slove this equation
12 n3
-------
3(n4)2

Answers

Answer:

36n

----------------

24n

Answer:n to the fourteenth power

Step-by-step explanation:

help find angle E please ​

Answers

Answer:

(9x+3)

Step-by-step explanation:

a sphere has a volume of 905cm. what is the radius of the sphere rounded to the nearest whole number ?

Answers

Answer:

r = 6

Step-by-step explanation:

The value of radius of the sphere rounded to the nearest whole number is,

⇒ r = 6 cm

We have to given that,

Volume of a sphere = 905 cm

Since, We know that,

Volume of sphere = 4/3 (πr³)

Where, 'r' is radius of sphere.

Now, Substitute the given value, we get;

⇒ 905 = 4/3 (πr³)

⇒ 905 × 3 = 4 × 3.14 × r³

⇒ 2,715 = 12.56 × r³

⇒ r³ = 216.16

⇒ r = ∛216.16

⇒ r = 6 cm

Thus, The value of radius of the sphere rounded to the nearest whole number is,

⇒ r = 6 cm

To learn more about the volume visit:

brainly.com/question/24372707

#SPJ2

solve the inequality for x
-x+23<2-2(x-8)

Answers

Answer:

inequality form: x<-5

Step-by-step explanation:

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