2x(-7)^2-9 = 2x49-9=98-9=89 maybe
It is equal. .21 ia the same as 21%
Arctan (√3 /3) = 30°. = π/6 rad
That is the value searched, in degrees and radians.
You can verifiy that tan(30°) = sin(30°) / cos(30°) = [1/2] / [√3/2] = 1/√3 = √3 / 3
Answer:
13 1/2
Step-by-step explanation:
this is surely the answer. 13.5
Answer:
A = 36 pi in^2
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
A = pi (6)^2
A = 36 pi in^2
