Which operation is NOT closed for polynomials? A) (x ^ 3 + 4x ^ 2 + 2x - 5) + (x ^ 2 + 3x + 1) B ) (x ^ 3 + 4x ^ 2 + 2x - 5) - (x ^ 2 + 3x + 1) (x ^ 3 + 4x ^ 2 + 2x - 5)(x ^ 2 + 3x + 1) ) (x^ 3 +4x^ 2 +2x-5) 1x^ 2 +3x+1)

intensity of the vector is v= √37 ≈ 6.08 units and make angle ∡α ≈ 9.46° with east direction

step-by-step explanation:

required vector is consists of the two componentsvx= 2+4=6 units   and vy= 1 unit and vx ⊥ vywe will use pythagorian theorem to find intensity of the vector vv∧2 = vx∧2 + vy∧2 => v = √vx∧2 + vy∧2 = √6∧2 + 1∧2 = √36+1 = √37 ≈ 6.08 unitsthe angle ∡α between vector and east direction we wil find with tanαtanα = 1/6 => α = arc tanα = arc 1/6 => α ≈ 9.46°

hope this

let's fu(!

step-by-step explanation:

answer is c

step-by-step explanation:

81/12=324/x

x=48