Answer:
y = 1/3
Step-by-step explanation:
<u>Step 1: Factor</u>
9y^2 - 6y + 1 = 0
(3y - 1)(3y - 1) = 0
(3y - 1)^2 = 0
<u>Step 2: Solve for y</u>
3y - 1 + 1 = 0 + 1
3y / 3 = 1 / 3
Answer: y = 1/3
2.2. Hope it helps :D
40
y = ----
3
m = 12.9g
v = 8cm3
d = ?
d = m/v
d = 12.9g/8cm3
D = 1.6125g/cm3
