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Savatey [412]
3 years ago
9

To determine the number of trout in a​ lake, a conservationist catches 132 ​trout, tags them, and throws them back into the lake

.​ Later, 22 trout are​ caught; 11 of them are tagged. How many trout would the conservationist expect to be in the​ lake?
The conservationist would expect that there are how many trout in the lake?
Mathematics
1 answer:
Drupady [299]3 years ago
4 0
I wish I knew I’m havin trouble
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Calculate the area of a circle with each measurement. don’t forget to include the units of measurement. If needed, round answers
Agata [3.3K]

Answer:

A=πr2=π·22≈12.56637cm²

the answer is 12.57cm squared.

Step-by-step explanation:

6 0
2 years ago
4. Reid is building a fence around a square portion of his
tiny-mole [99]

The point that best represents the length of one side of the fence of the square portion of the garden area is: B. Point B.

<h3>What is the Area of a Square?</h3>

Area of a square = s², where s is the side length of the square.

Area of the square portion of his yard = 200 square feet

Side length of one side of the fence = √200 = 14.1 feet.

From the number line given, point B best represents 14.1 feet. Therefore, the side length is best represented by: B. Point B.

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6 0
2 years ago
10x + 7y = -3 <br> 5x - y = 3
rodikova [14]
If this is a system of equations then:
Multiply 5x-y=3 by -2
=> -10x+2y=-6
Now you sum the equations:
10x-10x+7y+2y=-3-6
=> 9y=-9
Then just divide by 9: y=-1
Now to get x, choose one of the equations and use the value we got from y:
5x-(-1)=3 => 5x+1=3 => 5x=3-1
=> 5x=2
=> x=2/5

(x,y)=(2/5, -1)
5 0
3 years ago
7x+8y=−46 2y − 6=0 What is the solution (x,y) to the system of equations above?
yarga [219]

Answer:

(-10, 3)

Step-by-step explanation:

You can do it algebraically (substitution or elimination) or graphically. I will be using substitution to solve this.

Step 1: Rewrite 2nd equation

2y = 6

y = 3

Step 2: Plug in <em>y</em>

7x + 8(3) = -46

7x + 24 = -46

7x = -70

x = -10

Put it in coordinates and we have our final answer!

8 0
3 years ago
A company ships its drink mix in a box in the shape of a rectangular prism. The base of the
Iteru [2.4K]

Answer:

6 cubic meters

Step-by-step explanation:

6 0
3 years ago
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