Answer:
use calcES to get d zeros of the polynomial without any stress
Answer:
(1,4)
Step-by-step explanation:
Use substitution
-5x=-(x+3)-1
x=1
-5(1)=-y-1
y=4
Answer:
Where is your attachment ?
Answer:
Step-by-step explanation:
Mean = 0.53*23.7% + 0.25*12.7% + 0.22*(-0.112)= 15.71%
standard deviation= sqrt(0.53*(23.7%-15.71%)^2 + 0.25*(12.7%-15.71%)^2 + 0.22*(-0.112-12.40%)^2)= 8.40%