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allochka39001 [22]
3 years ago
13

Help! Idk if it’s correct or not? Urgent homework

SAT
1 answer:
Alinara [238K]3 years ago
6 0

Answer:

Explanation: It has exactly one solution as,

a1/a2 is not equal to b1/b2

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Which are steps that could be used to solve 0 = 9(x2 6x) – 18 by completing the square? Check all that apply. 18 81 = 9(x2 6x 9)
Marina CMI [18]

Answer:

18 + 81 = 9(x² + 6x + 9) 11 = (x + 3)²

Explanation:

because  This is the value that completes the square. However, since the entire square is multiplied by 9, this value must be multiplied by 9 before we can add it across the equals:

18 + 9 (9) = 9 (x² + 6x + 9)

18 + 81 = 9 (x² + 6x + 9)

99 = 9 (x² + 6x + 9)

Dividing both sides by 9, we have:

11 = x² + 6x + 9

11 = (x + 3) ²

4 0
2 years ago
which of the answer choices correctly describes the movement of water across a selectively permeable membrane during osmosis?
maw [93]

During osmosis, a statement which correctly describes the movement of water across a selectively permeable membrane is: 3. Either of these descriptions is correct and equivalent.

<h3>What is osmosis?</h3>

Osmosis can be defined as a process which typically involves the movement of a solvent molecule such as water through a selectively or permeable membrane from a region of high concentration to a region of lower concentration.

This ultimately implies that, the process of osmosis can be illustrated by the movement of water into root hair cells because they are used by the plants to absorb water from the soil.

In conclusion, the movement of water of from high water concentration to low water concentration and from low solute concentration to high solute concentration are statements which correctly describes the movement of water across a selectively permeable membrane during osmosis.

Read more on osmosis here: brainly.com/question/13587341

#SPJ1

Complete Question:

Which of the answer choices correctly describes the movement of water across a selectively permeable membrane during osmosis.

1. The water will move from high water concentration to low water concentration.

2. The water will move from low solute concentration to high solute concentration.

3. Either of these descriptions is correct and equivalent.

6 0
1 year ago
Which animal is native to the tundra?
Sergeu [11.5K]

Answer:

the polar bear

Explanation:

the polar bear is native to tundra

8 0
3 years ago
in a​ state's pick 3 lottery​ game, you pay ​$ to select a sequence of three digits​ (from 0 to​ 9), such as . if you select the
trasher [3.6K]

Answer:

good day for me to be a great day

5 0
3 years ago
I need to solve for angle A, a quick response would be appreciated!
Firlakuza [10]

Answer:

x = 21

Explanation:

The two remaining angles must add to 90 degrees since a triangle adds to 180

3x+6 +x = 90

4x+6 =90

4x = 90-6

4x = 84

Divide by 4

4x/4 = 84/4

x = 21

6 0
3 years ago
Read 2 more answers
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