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siniylev [52]
2 years ago
7

Problem

Mathematics
1 answer:
Tanzania [10]2 years ago
7 0

Answer:

a)

(x^{2}  + 2)(x^{2} + 2)\\x^{4} + 2x^{2}  + 2x^{2}  + 4\\= x^{4} + 4x^{2} + 4\\

b)

(x +1)(x + 1)(x^{2} -2x +3) = (x + 1)^{2} (x^{2} -2x +3)

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Need help please! Will give it to the brainliest. Which expression models the bacterium's volume? Picture is below.
Tomtit [17]

The expression C. \pi (1)^{2} (0.5) cubic \mu \mathrm{m} represents the bacterium's volume.

Step-by-step explanation:

Step 1:

The E. Coli bacterium is in the shape of a cylinder.

The volume of a cylinder is given by multiplying π with the square of the radius (r²) and the height of the cylinder.

The volume of a cylinder, V=\pi r^{2} h.

In the given diagram, E. Coli has a radius of 1 \mu \mathrm{m} and a height of 0.5 \mu \mathrm{m}.

Step 2:

By substituting the values in the equation, we get

The volume of the E. Coli bacterium = \pi (1)^{2} (0.5) cubic \mu \mathrm{m}.

This is option C.

7 0
3 years ago
PLEASE ANSWER QUICKLY
Rudiy27

Answer:

3

Step-by-step explanation:

f(x) = 3x² - 2x + 1

f(x) = ax² + bx + c

a = 3

7 0
2 years ago
Somebody confirm that I am not a complete moron please and thanks
Ann [662]

Answer:

B

Step-by-step explanation:

Triangle B because 128°>90°

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Vinil7 [7]
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Step-by-step explanation:

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