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2 years ago

I will mark brainlest, please help me! I'm just so confused.

Mathematics

2 answers:

alexira [117]2 years ago

7 0

Answer: every new hour, the previous amount of bacteria is multiplied by four.

Step-by-step explanation:

zimovet [89]2 years ago

6 0

Answer:

every new hour, the previous amount of bacteria is multiplied by four.

Step-by-step explanation:

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What are two different ways of factoring –3x – 9? Select all that apply. A. –3(x + 3) B. 3(x + 3) C. 3(–x – 3) D. –3(x – 3)

I am Lyosha [343]

The awnser is A) and C)

Hope it helps :)

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3 years ago

The map of a mall is overlaid with a numeric

Veseljchak [2.6K]

Answer:

$\sqrt{118}$ or 10.8627805

Step-by-step explanation:

Start by taking the difference of each value of both points

Find the difference in x values

78-2 = 76

Find the difference in y values

46-4 = 42

Add the two differences

76+42=118

Take the square root of this value

$\sqrt{118}$

3 0

3 years ago

Cuánto es 729 entre 38

riadik2000 [5.3K]

Answer: 19.1842

Step-by-step explanation:

8 0

3 years ago

What is the slope of the line that passes through (1, 4) and (1, −3)?

Mazyrski [523]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (1, 4) and (1, -3). Substitute:

$m=\dfrac{-3-4}{1-1}=\dfrac{-7}{0}\qquad\boxed{!!!!}$

DIVISION BY ZERO!!!

Answer: The slope is undefined.

It's a vertical line x = 1.

6 0

3 years ago

Why would understanding perpendicular and parallel lines be extremely important to someone in construction? Provide an example o

Tems11 [23]

Understanding perpendicular and parallel lines are extremely important, especially in the engineering field when building infrastructures or houses because they need to calculate how they will keep a building stable. For example, bridges we see have a lot of perpendicular and parallel lines, that's because without those the bridge can't hold itself up, it needs support from the metals that are parallel and perpendicular.

hope this helps!!

5 0

3 years ago