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sashaice [31]
3 years ago
10

2. Which structure contains DNA and regulates gene expression?

Mathematics
1 answer:
nekit [7.7K]3 years ago
5 0

Answer:

Chromosome

Step-by-step explanation:

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Please help <br><br>the question is beloww
madam [21]

Answer:

-8

Step-by-step explanation:

(x-3y=136) + (18x+3y=288) We collect both processes to make y's disappear

19x=-152

x=-8

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3 years ago
In the diagram, the measure of angle 8 is 124°, and the measure of angle 2 is 84°.
Darina [25.2K]

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(A) 56 on ed genuity

Step-by-step explanation:


3 0
3 years ago
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If 90 percent of a is 44, what is 30 percent of 3a?
Lesechka [4]
90% of "a" is 44.......turn ur percent into a decimal...." of " means multiply..." is " means equals...

0.90a = 44...divide both sides by 0.90
a = 44 / 0.90
a = 48.89.....this is rounded

what is 30% of 3a.....and we know that "a" is 48.89...

0.30(3 * 48.89) = 0.30(146.67) = 44 <=== ur answer
3 0
3 years ago
Hey! i’ll give brainliest please help.
dexar [7]

The last name I am pretty sure of it.

7 0
3 years ago
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Three roots of the polynomial equation x4 - 4x3 - 2x2 + 12x + 9 = 0 are 3, -1 and -1. Explain why the fourth root must be a real
LiRa [457]
Descares Theorem says that the number of roots of a polynomial is equal to its highest exponent, and the roots could be real and/or imaginary (complex).

However is their is one complex root (a + i.b), it's conjugate is also
a root (a-i.b).

In the equation x⁴ - 4x³ - 2x² + 12x + 9 = 0, we have already 3 roots, then the 4rth cannot be a complex one since we don't have a fifth for its conjugate.

3 0
3 years ago
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