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KATRIN_1 [288]
2 years ago
5

To determine the number of trout in a​ lake, a conservationist catches 136 trout, tags them and throws them back into the lake.

later, 60 trout are caught; 15 of them are tagged. how many trout would the conservationist expect to be in the lake?
Mathematics
1 answer:
Marina CMI [18]2 years ago
8 0
Im not sure sorry, I hope you find your answer
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Type your answer and then click or tap Done.<br> Simplify -(x-2y) - y.
AlladinOne [14]

Answer:

Step-by-step explanation:

x(x-2y)-(y-x)2  

Final result :

 -y2

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 x • (x - 2y) -  (y - x)2

Step  2  :

2.1     Evaluate :  (y-x)2   =    y2-2xy+x2  

Final result :

 -y2

4 0
3 years ago
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James wants to invest $12,000. He can invest the money at 7.2% simple interest for 30 yr or he can invest at 6.8% with interest
Sever21 [200]

Over time, compound interest at any rate will outperform simple interest. When the rates are nearly equal to start with, compound interest will be greater in very short order. Here, it takes less than 1 year for compound interest to give a larger account balance.

In 30 years, the simple interest will be

... I = P·r·t = 12,000·0.07·30 = 25,200

In 30 years, the compound interest will be

... I = P·(e^(rt) -1) = 12,000·(e^(.068·30) -1) ≈ 80,287.31

_____

6.8% compounded continuously results in more total interest

4 0
3 years ago
Which situation CANNOT be represented by this equation?
aniked [119]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
More brinliest if its right :D im horrible at math
olga55 [171]

Answer:

No

Step-by-step explanation:

because the unit rate is 6 miles per hour for the first one and 10 miles per hour for the second

8 0
3 years ago
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HELP WITH MATH!! RLLY COULD USE IT
san4es73 [151]

Answer:

120 square units

Step-by-step explanation:To find the area you do length times hight or l x h. If you want you can also make the triangle and move it to the other side to create a square if thats helps :) but you always do LxH for area :)

7 0
3 years ago
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