We are finding the mean. 6+6+9+10+11 / 5 = 8.4
Answer:
x = - 
Step-by-step explanation:
Given a quadratic equation in standard form , that is
y = ax² + bx + c = 0 ; a ≠ 0
Then the x- coordinate of the vertex is
= - 
x² + bx + c = 0 ← is in standard form
with a = 1, b = b, thus
= - 
Answer:
he got 40
Step-by-step explanation:
10/0.25
Answer:9.5 approximately
Step-by-step explanation:
14.20 x 2/3
(14.20x2)/(1x3)
28.4/3=9.5 approximately