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3 years ago

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Biology

2 answers:

Irina18 [472]3 years ago

8 0

Answer:

Explanation:

faltersainse [42]3 years ago

5 0

D Because supports large numbers of plants and species and variety of crops

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Write out the form of the partial fraction decomposition of the function (See Example). Do not determine the numerical values of

maw [93]

Answer:

a. $\frac{A}{x}+\frac{B}{x^2}+\frac{C}{x^3}+\frac{Dx+E}{x^2+5}$

b. $\frac{A}{x+3}+\frac{B}{x-3}+\frac{C}{(x-3)^2}+\frac{D}{(x+3)^2}$

Explanation:

a.We are given that

$\frac{x^4+7}{x^5+5x^3}$

$\frac{x^4+7}{x^5+5x^3}=\frac{x^4+7}{x^3(x^2+5)}$

Using partial fraction decomposition of the given function

$\frac{x^4+7}{x^3(x^2+5)}=\frac{A}{x}+\frac{B}{x^2}+\frac{C}{x^3}+\frac{Dx+E}{x^2+5}$

Using the formula

$\frac{1}{x^3(x^2+a)}=\frac{A}{x}+\frac{B}{x^2}+\frac{C}{x^3}+\frac{Dx+E}{x^2+a}$

b. $\frac{2}{(x^2-9)^2}$

$\frac{2}{(x^2-3^2)^2}=\frac{2}{(x+3)^2(x-3)^2}$

Using property $a^2-b^2=(a+b)(a-b)$

$\frac{2}{(x+3)^2(x-3)^2}=\frac{A}{x+3}+\frac{B}{x-3}+\frac{C}{(x-3)^2}+\frac{D}{(x+3)^2}$

Using the property

$\frac{1}{x^2}=\frac{A}{x}+\frac{B}{x^2}$

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2 years ago

How do I know when eclipses occur....please help me

Lady bird [3.3K]

When the sun is cover by the moon

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3 years ago

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If a portion of a DNA strand has the

Lubov Fominskaja [6]

Answer: C

Explanation:

MRNA, the A-T is replaced with A-U but T-A stays the same

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3 years ago

In the context of biological anthropology, the results of a disadvantaged social environment can include one

lorasvet [3.4K]

Answer:

One with poor-quality nutrition.

Explanation:

Anthropology may be defined as the field of biology that mainly includes the study of human behavior, societies and humans. Two different types of anthropology are cultural and social anthropology.

The social environment and its consequences is included and studied in the social anthropology. The disadvantage of social environment in anthropology shows the population with the lack of proper nutrition and people suffers from the malnutrition.

Thus, the answer is one with poor-quality nutrition.

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2 years ago

BRAINLIEST <br>Why would coming to land be an advantage to early amphibians?

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it would be kind of an advantage as they breathe air and just stay on land and to get food it can go into the water

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3 years ago