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Rus_ich [418]
3 years ago
12

I need help please on #7

Mathematics
2 answers:
vredina [299]3 years ago
7 0
X=-4 is the answer for this question
solong [7]3 years ago
4 0

Answer:

x  ≤ - 4

Step-by-step explanation:

7x + 12  ≤ -2x + 4x - 8

7x + 12  ≤ 2x - 8

7x - 2x + 12  ≤ 2x - 2x - 8

5x + 12  ≤ -8

5x + 12 - 12  ≤ - 8 - 12

5x  ≤ - 20

<u>5x  ≤ - 20</u>

5          5

x  ≤ - 4

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Ghella [55]

Answer: 8

Step-by-step explanation:

4 0
3 years ago
Which expression is equivalent to (3a)–2?
dimulka [17.4K]
The awnser is D but could also maybe be B
4 0
3 years ago
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i thought of a number, increased it by nine, and then multiplied by 6. the resulting number was 282. what was my number
Dovator [93]

Answer:

n+9)6=282

n+9=47

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Step-by-step explanation:

8 0
2 years ago
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BRAINILEST IF ANSWEED QUICKLY AND CORRECT
r-ruslan [8.4K]

Answer:

The answer is B.It is one-half the area of a square of side length 4 units.

Step-by-step explanation:

Given a coordinate grid shown with triangle of measurements with base 4 units and height also 4 units.

We have to find the area of triangle which can be calculated as

⇒  

                 =  

we have to choose the statement describes the area of the triangle evaluate above.

Option A: Not matched ∵equals to [area of rectangle of length 4 units width 2 units]=                                    

Option B: matched : given one-half the area of a square of side length 4 units.

⇒  

Option C : Not matched : It is twice the area of a rectangle of length 4 units and width 2 units

⇒

Option 4 : Not matched : It is twice the area of a square of side length 4 units.

⇒  

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4 0
3 years ago
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*100 points* A circle has a diameter with endpoints (-7, -1) and (-5, -9).
earnstyle [38]

Diameter

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  • √2²+8²
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  • √68
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Now

Centre

(h,k)

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Equation

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Option A

8 0
2 years ago
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