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lozanna [386]
2 years ago
15

Which inequality is equivalent to -6x ≥ 30?

Mathematics
1 answer:
MissTica2 years ago
5 0
I believe that the answer to would be

x ≤ −5
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HELPPPPPPP on this question.! I need to pass.
timurjin [86]

9514 1404 393

Answer:

  12.25 (or -18.75)

Step-by-step explanation:

If you pay attention to the square of a binomial, ...

  (x -a)² = x² -2ax +a²

You see that the constant (a²) is the square of half the x-coefficient. That is, the x-coefficient is -2a, half that is -a, and the square of that is (-a)² = a².

In your equation, the x-coefficient is -7, half that is -3.5, and the square of that is 3.5² = 12.25.

So, you can think of this ambiguous question in a couple of ways.

<u>Concern is only with the x-terms</u>:

  x² -7x +31 = (x² -7x +12.25) +31 = 12.25 . . . . . . add 12.25 to both sides

  (x -3.5)² +31 = 12.25 . . . . write the x-terms as a square

<u>Concern with the equation overall</u>:

You want the end result to have the x-terms in the form of the square ...

  (x -3.5)² = x -7x +12.25

The left side of the equation can be put in that form by adding -18.75 to both sides;

  x² -7x +31 -18.75 = -18.75 . . . . . . add -18.75 to both sides

  x² -7x +12.25 = -18.75 . . . . . . . . . simplify

  (x -3.5)² = -18.75 . . . . . . write the left side as a square

__

The short of it is that we're not sure what the question is asking for exactly. The "help video" would probably clarify the intent. Most likely, you're concerned with adding the square of half the x-coefficient, 12.25.

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2 years ago
Teesha is in the French club.There are 39 students in the club.The French teacher will pick 5 students at random to guide visiti
RideAnS [48]
The ratio is 5:39. We cannot simplify it, so the odds are 5:39. 
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3 years ago
A-3b=4;2a=6b-9 Answer by elimination, please include the entire work on how you got to your answer. According to my math teacher
Airida [17]

Answer:there is no solution. The question is wrong

Step-by-step explanation:

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3 years ago
Find the rational number of 1.2÷0.5​
Dima020 [189]

1.2 \div 0.5 = 2.4

3 0
2 years ago
Which of the following statements describe the system ?​
algol [13]

Answer:

one solution

Step-by-step explanation:

here, we want to select the correct option

From the system, we have two values of y

Equating the y-values

3x + 2 = -2x - 1

What this mean is that there is only a particular point where this solution will work and as such, the system has one solution

3 0
2 years ago
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