5y-5y^2-5+2+2y+3y^2-1
collect like terms
7y-2y^2-4
reorder the terms
-2y^2+7y-4
-2y^2+7y-4 is your final answer, I hope this helps!
Answer:
mass of solution = mass of sugar / concentration
mass of water = mass of solution - mass of sugar
Answers for 50%
mass of solution = 0.5 lbs / 50% = 0.5 lbs / 0.5 = 1 lbs syrup
mass of water = 1 lbs - 0.5 lbs = 0.5 lbs of water
Answers for 5%
mass of solution = 0.5 lbs / 0.05 = 10 lbs syrup
mass of water = 10 lbs - 0.5 lbs = 9.5 lbs of water
Answers for 75%
mass of solution = 0.5 lbs / 0.75 = 0.6667 lbs syrup
mass of water = 0.6667 lbs - 0.5 lbs = 0.1667 lbs of water
Answers for 1.5%
mass of solution = 0.5 lbs / 0.015 = 33.33 lbs syrup
mass of water = 33.33 lbs - 0.5 lbs = 32.83 lbs of water
Answer:
Step-by-step explanation:
100m2-140m+49
