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valkas [14]
2 years ago
5

answer create a function modeling the described behavior. Then, calculate the desired result using a calculator. A certain lake

currently has an average trout population of 20,000. The population naturally oscillates above and below average by 2,000 every year. This year, the lake was opened to fishermen. If fishermen catch 3,000 fish every year, how long will it take for the lake to have no more trout
Mathematics
1 answer:
AURORKA [14]2 years ago
8 0
It will at most take 2 years most likely
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If f(x) = 12x+2, then f^-1(x) =??​
olga nikolaevna [1]

Step-by-step explanation:

Given

f(x) = 12x + 2

f^-1(x) = ?

Now

Let y = f(x)

or y = 12x + 2

Interchanging the role of x and y

x = 12y + 2

x - 2 = 12y

y = <u>x </u><u>-</u><u> </u><u>2</u>

12

Therefore f^-1(x) = <u>x </u><u>-</u><u> </u><u>2</u>

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5 0
3 years ago
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A drawing of a surfboard in a catalog, it shows its length as 8 4/9 inches. Find the actual length of the surfboard if 1/3 inch
Bond [772]

Answer:

9.5 feets

Step-by-step explanation:

Length of drawing = 8 4/9 inches

Scale : 1/3 inch in drawing = 3/8 actual length

Length of drawing / drawing scale

8 4/9 = 76/9 inches

Number of 1/3 inches in total length of drawing :

76/9 ÷ 1/3

76/9 * 3 / 1

(76*3) /(9*1) = 228 /9 = 9 3/9 = 9 1/3

9 1/3 * 3/8 foot

(228 / 9) * (3 /8)

(228/3) * (1/ 8)

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4 0
2 years ago
17. Subtract the quotient of 18 and 2 from the sum of 22 and 9.
Effectus [21]

Answer:

B. 22

Step-by-step explanation:

Quotient of 18 and 2 is 9, and just take the 9 out of the next series and you will be left with 22.

4 0
3 years ago
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What is the surface area of a 3 inch cube
alisha [4.7K]
9 sq. in because each side is 3 inch and area is length x width. each side is e inch so 3x3=9 sq in.
6 0
3 years ago
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The point Z(5, -3) is rotated 270° clockwise around the origin. What are the coordinates of the resulting point, Z′?
g100num [7]

Answer:

(3, - 5 )

Step-by-step explanation:

Under a clockwise rotation about the origin of 270°

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Z(5, - 3 ) → Z'(3, - 5 )

4 0
3 years ago
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