Answer:
x = ± 12
Step-by-step explanation:
Given
f(x) = x² - 144
To find the roots set f(x) = 0, that is
x² - 144 = 0 ( add 144 to both sides )
x² = 144 ( take the square root of both sides )
x = ± 
= ± 12
Answer:
ummmm 90% sure its 13/10.......?
Step-by-step explanation:
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Answer:
591,800,000
Step-by-step explanation:
The 7 in 753,460 is rounded to an 8 because if the number after it is 5 or higher you turn all the numbers after the 7 into a 0 and turn 7 into a 8.
There are 52 weeks in a year, so subtract 27 from 52.
52-27=25
There were 25 weeks with no rainy days
Answer:
It has exactly four faces that are triangles.
It has 4 vertices.
It has 6 edges.
Step-by-step explanation:
A triangular pyramid is also termed as a tetrahedron.
The properties of a triangular pyramid include:
- four triangular faces,
- six edges
- four vertex corners.
Among the four faces, any one of them can be considered to be the base of the pyramid.
The faces are of equal shape and size.
The edges have the same length.
The triangles are equilateral.
