solution:
we know that ,
u.v = ΙuΙ ΙvΙcosθ
here,
θ =60° (since the given triangle is equilateral triangle)
u.v = ΙuΙ ΙvΙcos60°
= 1 x 1 x 1/2
u.v = 1/2
now, u.w = ΙuΙ ΙwΙcosθ
= ΙuΙ x cos(60x2)
u.w = -1/2
Answer:
20
Step-by-step explanation:
The pattern goes
+3, +4, +5, +6, +7...
14+6=20
The missing number is 20
Answer:
30+a
Step-by-step explanation:
hope it helps dont report if wrong
Answer:
1st page is 2
2nd page is -2
Step-by-step explanation:
3 x -4 = -12
-12 / -2 = 2
-6 / 3 = -2
negative time a negative is a positive and a positive times a negative is a positive
