6 questions

Compute luxv| if |ul = 4 and |v| = 5 and the angle between u and v is 0. uxv/ = [ (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) Given v = - 9i - j and w = - i-9j K (a) find the dot product v . w; (b) find the angle between v and w. (a) v.w = (Simplify your answer.) b) What is the angle between v and w? (Do not round until the final answer. Then round to the nearest tenth as needed.) Find the measures of the angles of the triangle whose vertices are A = ( - 3,0), B = (2,3), and C = (3, - 1). The measure of LABC iso. (Round to the nearest thousandth.) The measure of ZBCA is (Round to the nearest thousandth.) The measure of ZCAB is. (Round to the nearest thousandth.) Find the area of the parallelogram that has two adjacent sides u = - 2i + 2k and v = 2i + 2j + 2k Find u x v. uxv = (): + (D j + () k (Simplify your answers.) The area of the parallelogram is (Simplify your answer. Type an exact answer, using radicals as needed.) Find a vector orthogonal to (0,2,2) and ( - 2,4,0). Choose the correct answer below. O A. (-8, -4,4) O B. ( - 8,4,4) O C. (8, - 4, - 4) O D. (8, - 4,4) Compute u . v if u and v are unit vectors and the angle between them is u.v= (Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)