Answer:
8n - 4 = 6
n = 5/4
Step-by-step explanation:
'n' = number
8n - 4 = 6
8n = 10
n = 10/8 or 5/4
Answer: 2(3x+5) (x-4)I
Look at photo for explanation!
2. 4(x+3) =3x+17
distribute
4x+12 = 3x+17
subtract 3x from each side
x + 12 = 17
subtract 12 from each side
x =5
6. -10 +5x=5(x-3)+5
distribute
-10+5x = 5x-15+5
combine like terms
-10+5x =5x -10
subtract 5x from each side
-10 = -10
infinite solutions
Answer:
v ≈ (3.28512, 20.74146)
Step-by-step explanation:
v = 21(cos(81°), sin(81°))
v ≈ (3.28512, 20.74146) . . . . (x, y) components
The notation varies among authors. The vector can be written as ...
(r, θ) = (21, 81°)
r∠θ = 21∠81°
r cis θ = 21 cis 81°
v = 21·e^(i·9π/20)
(x, y) ≈ (3.28512, 20.74146)
v = 3.28512i +20.74146j . . . . perhaps this is the vector notation you want (i and j are unit vectors in the x- and y-directions, respectively)
