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shusha [124]
3 years ago
9

Solve the compound inequality for x and identify the graph of its solution. 2x ≤ –8 or 3x + 1 > 13 Choose the answer that giv

es both the correct solution and the correct graph. A. Solution: x ≤ –4 or x > 4 B. Solution: x ≥ –4 and x < 4 C. Solution: x ≤ –4 or x > 4 D. Solution: x ≤ –4 or x ≥ 4
Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

pic below

Step-by-step explanation:

schepotkina [342]3 years ago
5 0

The solution to the system of equation is x  ≤ –4 and x > 4

<h3>Compound inequality</h3>

Given the inequality expression

2x ≤ –8 or 3x + 1 > 13

Solving individually

2x  ≤ –8

Divide both sides by 2

2x/2  ≤ –8/2

x  ≤ –4

For inequality 3x + 1 > 13

3x > 13 - 1

3x > 12

x > 12/3

x > 4

Hence the solution to the system of equation is x  ≤ –4 and x > 4

Learn more on inequality here: brainly.com/question/24372553

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Arnold needs to simplify the expression below.
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From a point A that is 8.20 m above level ground, the angle of elevation of the top of a building s 31 deg 20 min and the angle
Mariulka [41]

Answer:

30.11 meters ( approx )

Step-by-step explanation:

Let x be the distance of a point P ( lies on the building ) from the top of the building such that AP is perpendicular to the building and y be the distance of the building from point A, ( shown in the below diagram )

Given,

Point A is 8.20 m above level ground,

So, the height of the building = ( x + 8.20 ) meters,

Now, 1 degree = 60 minutes,

⇒ 1\text{ minute } =\frac{1}{60}\text{ degree }

20\text{ minutes }=\frac{20}{60}=\frac{1}{3}\text{ degree}

50\text{ minutes }=\frac{50}{60}=\frac{5}{6}\text{ degree}

By the below diagram,

tan ( 12^{\circ} 50') = \frac{8.20}{y}

tan(12+\frac{5}{6})^{\circ}=\frac{8.20}{y}

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Answer:

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