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AVprozaik [17]
3 years ago
8

To estimate the number of lizards in a certain region, Sean traps 36 lizards and marks them. He releases these lizards and then

later catches 200, 16 of which are marked. What is the BEST estimate for the lizard population?
A) 400
B) 425
C) 450
D) 475
Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0

Answer:

475

Step-by-step explanation:

laiz [17]3 years ago
7 0

Answer:

475

Step-by-step explanation:

i divided the two numbers and got 556 so your estimate should be 475

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This is what I am supposed to do, I’m confused on what to do on 3,4, and 5. PLEASE HELP ASAP!!!!!! 30 POINTS!!!!!
max2010maxim [7]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

To calculate m use the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

3

Using (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (- 3, 6)

m = \frac{6-0}{-3-0} = \frac{6}{-3} = - 2

Since the line passes through the origin (0, 0) then y- intercept is 0

y = - 2x ← equation of line

4

let (x₁, y₁ ) = (6, 0) and (x₂, y₂ ) = (0, 3)

m = \frac{3-0}{0-6} = \frac{3}{-6} = - \frac{1}{2}

note the line crosses the y- axis at (0, 3) ⇒ c = 3

y = - \frac{1}{2} x + 3 ← equation of line

5

let (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (-2, - 3)

m = \frac{-3-3}{-2-0} = \frac{-6}{-2} = 3

note the line crosses the y- axis at (0, 3) ⇒ c = 3

y = 3x + 3 ← equation of line

7 0
3 years ago
Which algebraic expression is equivalent to the expression below? 4(5 + 8r) + 19
mr_godi [17]

Answer:

32r + 39

Step-by-step explanation:

<u>Step 1:  Distribute</u>

4(5 + 8r) + 19

<em>20 + 32r + 19</em>

<em />

<u>Step 2:  Combine like terms</u>

<em>32r + 39</em>

<em />

Answer:  32r + 39

7 0
3 years ago
Read 2 more answers
8
blagie [28]

Answer:

The new function is g(x) = x² +1

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the function f(x) = x²

From graph ,

The parabola  y = x² is shifting to up with '1' units

                    y = x² +1

The new function is g(x) = x² +1

<u><em>Verification:-</em></u>

    y = x²+1

Put x=0 ⇒ y =1

The point (0,1) lies on the parabola y = x²+1

similarly put x =1 and y = 2

The Point (1,2) lies on the Parabola y = x²+1

∴ The new graph  y = x²+1

3 0
3 years ago
Is the line for the equation x = 4 horizontal or vertical? What is the slope of the line? Select the best answer
Arlecino [84]

Answer:

x=4 is vertical line it's an undefined slope

7 0
2 years ago
How can 52/9 be expressed as a decimal? <br><br>  <br>  <br>  <br>  
slava [35]
The answer would be about 5.8
4 0
3 years ago
Read 2 more answers
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