Please I just don't get it
1 answer:
The solution to the given inequality is x > -5.
{x| x is all real numbers from -5 to infinity excluding -5 its self.}
( -5, ∞ )
<h3>What is the solution to the given inequality?</h3>Given the data in the question;
- -9 - 6x < 21
- x = ?
First, we solve for the x in the given inequality.
-9 - 6x < 21
Collect and add like terms
-6x < 21 + 9
-6x < 30
Divide both side by -6.
Note that; when dividing or multiplying both sides by a negative value, the direction of the inequality sign flips to the other side.
-6x/-6 > 30/-6
x > -5
x:| x is all real numbers from -5 to infinity excluding -5 its self.
( -5, ∞ ).
Learn more about inequality here: brainly.com/question/20383699
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Answer:
The volume of the regular tetrahedron is 283.5 m³
Step-by-step explanation:
The formula of the volume of the regular tetrahedron is V = A h, where
- A is the base area of it
- h is the height of it
∵ The area of the base of a regular tetrahedron is 98.9 m²
∴ A = 98.9 m²
∵ The height of it is 8.6 m
∴ h = 8.6 m
→ Substitute them in the formula of the volume above
∵ V = (98.9)(8.6)
∴ V = 283.5133333 m³
→ Round it to the nearest tenth of a cubic meters
∴ V = 283.5 m³
∴ The volume of the regular tetrahedron is 283.5 m³