Answer:
Step-by-step explanation:
A triangular pyramid has a base with an area of 21.8 square meters, and lateral faces with bases of 7.1 meters and heights of 9 meters. Enter an expression that can be used to find the surface area of the triangular pyramid.
The expression is written as:
Surface Area = Area of the base + 1/2( Perimeter × Slant height)
The answer is x=0 I believe because it is the only logical area
Answer: The distance between (-6, 4) and (-1, 4) is 5 units.
Step-by-step explanation:
Answer:
The 8th number is -9
Step-by-step explanation:
With an average, the sum of the seven numbers divided by 7 is 15.
In order to add an 8th number, we set up

Answer:
x > 2
Step-by-step explanation:
Given
4x +
(2x + 4) > 12 ← distribute and simplify left side
4x + x + 2 > 12
5x + 2 > 12 ( subtract 2 from both sides )
5x > 10 ( divide both sides by 5 )
x > 2