Answer:
36
Step-by-step explanation:
(x + 6)(x+6)
F.O.I.L.
x^2 +6x + 6x + 36
X^2 + 12x + 36
Answer:
- 35 grams of 11.43% solution
Step-by-step explanation:
The end solution has same volume as initial volumes of mixture.
The concentration of solution is calculated as below
- 10*0.15 + 25*0.1 = 4 g
- 4 / 35*100% = 11.43% (rounded)
I needed help with that too