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castortr0y [4]
3 years ago
13

Eldrick manages wildlife samples for Ducks Unlimited. Two samples of duck populations at a migratory site are shown

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
3 0

Answer:

Eldrick can use both of these samples to find the mean frequency of each duck.

Step-by-step explanation:

Given

See attachment for samples

Required

Determine which is true

Reading through the options, we can see that Eldrick needs to evaluate the mean frequency of both samples.

To do this, both samples have to be put into consideration in order to arrive at the right value.

<em>Considering the options, we can conclude that (a) is correct.</em>

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The price of an item has been reduced by $8.39 . The new sale price is $51.23. What was the original price?
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Step-by-step explanation:

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=51.23+8.39

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If b = 3, then b^-2 is equivalent to _____.
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Read 2 more answers
HELP PLSSSSS I GIVE BRAINLY
dedylja [7]

Answer: 40 unit²

Step-by-step explanation:

A square pyramid is composed of 1 square and 4 congruent triangles

STEP ONE. Find the area of the square.

A=b²

b=base

A=b²=4²=14

STEP TWO. Find the area of the triangle

A=(1/2)bh

b=base

h=height

A=(1/2)bh

A=(1/2)(4)(3)

A=(1/2)(12)

A=6

There are 4 congruent triangles, so 6×4=24

The surface area of whole=24+16=40 unit²

Hope this helps!! :)

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7 0
3 years ago
Suppose you need to minimize the cost of fencing in a rectangular region with a total area of 450 square feet. The material that
natta225 [31]

Answer:

The problem is stated as:

Min C = 15*(2*x +y) + 21*y

subject to x*y = 450

Step-by-step explanation:

Given that the region is rectangular, it has two opposite sides called x and two other opposite sides called y (both measured in feet). Then, the area (in square feet) is:

A = x*y = 450

One of the sides called y costs $21 per linear foot. The other 3 sides (two x and one y) costs $15 per linear foot. Then, the cost function is:

C = 15*(2*x +y) + 21*y

5 0
3 years ago
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