<span>D = 4 - 4*9*(-7) = 4 + 252 = 256 = 16*16
x1 = (-2 + 16)/9 = 14/ 9
x2 = (-2 - 16) / 9 = -2
If you have any other questions, feel free to comment on my wall. Hope this helped.</span>
Answer:
2
Step-by-step explanation:
Answer:
the atom is 3737
Step-by-step explanation:
because it's right
Answer:
37°
Step-by-step explanation:
∠ECF= ∠ACG
∠ACG= 90° - ∠GAC= 90° - 53°= 37°
Answer:
Step-by-step explanation:
840g equals 0.84kg (1000g = 1kg)
(0.84kg/4kg)*(100%) = 21%