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Reika [66]
3 years ago
5

BRAINLIEST YOU WILL GET BRAINLIEST

Biology
2 answers:
Lady bird [3.3K]3 years ago
7 0
<h2>C. Commutative property of Multiplication.</h2>

* Hopefully this helps:) Mark me the brainliest:)

Lera25 [3.4K]3 years ago
4 0

The answer is Commutative  property of multiplication.

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What is the Division of somatic cells that involves duplication of DNA in diploid # called
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Please help me I will give you the brain thing and extra points. image below part 3
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In 1985 a biologist counted 750 pine trees in a 250 hectare forest. Using similar counting techniques, the biologist counted 1,2
Alisiya [41]

Answer:

Suppose that we have a given function f(x)

The average rate of change of the function between two values x₁ and x₂ is given by:

r = \frac{f(x_2) - f(x_1)}{x_2 - x_1}

a) We want to find the average (rate) of change on the size of population from 1985 to 1995.

We have that:

f(1985) = 750

f(1995) = 1500

Then we have:

r = \frac{1500 - 750}{1995 - 1985}  = 750/10 = 75

This means that the population of trees increases, in average, at a rate of 75 trees per year.

b) What is the density of trees each year that they were counted?

This will be equal to the quotient between the number of trees and the area.

1985: number of trees = 750 pines

         area = 250 ha

Then the density is:

D(1985) = (750 pines)/(250 ha) = 3 pines/ha

So 1985, there were 3 pines per hectare.

1990: number of trees = 1250 pines

         area = 250 ha

Then the density is:

D(1990) = (1250 pines)/(250 ha) = 5 pines/ha

1995: number of trees = 1500 pines

         area = 250 ha

The density is:

D(1995) = (1500 pines)/(250 ha) = 6 pines/ha

3) now we want to get the average change between 1985 and 1995 in the density, this will be:

r = \frac{D(1995) - D(1885)}{1995 - 1985}  = \frac{6 pines/ha - 3pines/ha}{10}  = 0.3 pines/ha

So, on average, each year the number of pines per hectare increases by 0.3

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3 years ago
Explain why genes located more than 50 map units apart behave as if they are not linked.
OlgaM077 [116]
This is on account of every chromosome just has up to 50 units so when it surpassed this number it's on an alternate chromosome, along these lines it can't be connected. 
One can decide whether qualities are connected or not by taking a gander at the posterity and deciding the recombination recurrence you can do this by taking the aggregate number of posterity that were recombined and partitioning it by the aggregate
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PLZZZZZ HURRY!!!!!Scientists estimate that the Earth formed some 4.6 billion years ago with the first forms of life appearing ar
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I have no idea, i speak english how about u

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