Question 6 (Fill-In-The-Blank Worth 2 points) (03.02 LC)

The element manganese is represented by the symbol . (Capitalization is important.)

Answer for Blank 1:

whoever solves this gets 30 points

Which expression is rational? 6. , square root two, square root 14, square root 49

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.