Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = 2j, v = 8i - 2j

A. 119°
B. 104°
C. 76°
D. -14°


Answer: B

Mathematics

You might also like to view...

Evaluate the iterated integral.

A. - 
B.
C.
D. - 

Mathematics

Solve the inequality.x2 - 3x - 10 ? 0

A. [-2, 5] B. [5, ?) C. (-?, -2] or [5, ?) D. (-?, -2]

Mathematics

Perform the indicated operations. Write the resulting polynomial in standard form.(w - 3)2 - w2

A. - 6w + 9 B. w + 9 C. w2 + 9 D. - 6w

Mathematics

Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A =  and its inverse A-1 =  to decode the cryptogram  .

A. ALAS B. ABLE C. ARMS D. ACTS

Mathematics