Sabendo que √5 é aproximadamente 2,24 , calcule o valor aproximado de 2 √5 + √20 e assinale a alternativa correta a)6,72
b)8,96
c)5,56
d)2,96
e)3,86

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

Describe how you can act financially responsible.