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Hoochie [10]
3 years ago
10

A researcher tags 20 squirrels in a wood. The next month, she returns to the wood and observes a sample of 12 squirrels, 5 of wh

ich are tagged, and a sample of 25 squirrels, 9 of which are tagged. If the two samples are representative of the squirrel population, which is the best estimate of the number of squirrels in the wood?
Mathematics
1 answer:
Ghella [55]3 years ago
4 0
<span>If the two samples are representative of the squirrel population, the best estimate of the number of squirrels in the wood would be 50. 
</span><span>I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.</span><span>
</span>
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If Todd can paint 2/3 of a wall<br> in 1 1⁄2 hours, what is his painting<br> rate in hours per wall?
allsm [11]
Divide the hours by the walls, and you’ll have hours per wall.

(1 1/2) / (2/3)
= (1 1/2) * (3/2)
= (3/2) * (3/2)
= 9/4

He paints at 9/4 hours per wall.
7 0
3 years ago
Hurry please!
chubhunter [2.5K]

Answer:

The slope of the given line and a line parallel to it is

5

2

.

Explanation:

Given:

5

x

−

2

y

=

11

is the standard form of a linear equation.

A line parallel to this line has the same slope. To determine the slope, solve for

y

to change the equation to slope-intercept form:

y

=

m

x

+

b

,

where:

m

is the slope and

b

is the y-intercept.

5

x

−

2

y

=

11

Subtract

5

x

from both sides.

−

2

y

=

−

5

x

+

11

Divide both sides by

−

2

.

y

=

−

5

−

2

x

+

11

−

2

Simplify.

y

=

5

2

x

−

11

2

The slope of the given line and a line parallel to it is

5

2

.

7 0
2 years ago
An aquarium measures 61 cm long, 30.5 cm wide, and 30.5 cm high.If the tank is only filled to 80% capacity with water, how much
LiRa [457]

Answer:

V=45396.2\ cm^3

Step-by-step explanation:

Given that,

The dimensions of an aquarium are 61 cm long, 30.5 cm wide, and 30.5 cm high.

The tank is filled to 80% capacity with water.

We need to find the water needed for this tank.

The volume of cuboid is given by :

V=lbh

As it is filled to 80% capacity, so,

V=\dfrac{80}{100}\times lbh\\\\=0.8\times 61\times 30.5\times 30.5\\\\V=45396.2\ cm^3

So, 45396.2\ cm^3 of water is needed for this tank.

5 0
3 years ago
Which equation represents a proportional relationship between the x and y values? A) y = 2
madam [21]

Answer:

D

Step-by-step explanation:

Given x and y are in proportion then the equation relating them is

y = kx ← k is the constant of proportion

The only one fitting this description is

y = - 2x → D

5 0
4 years ago
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When would we need to calculate circumference of a circle? Area of a circle?
Alex_Xolod [135]
If you know the diameter or radius of a circle, you can work out the circumference. To begin with, remember that pi is an irrational number written with the symbol π. π is roughly equal to 3.14. You can also work out the circumference of a circle if you know its radius.
3 0
3 years ago
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