Answer:
Step-by-step explanation:
9-3z+4+6z-2
13-2+3z
11+3z
B. Irrational because it is
Answer How many liters of a 20% acid solution should be mixed with 30 liters of 50% acid solution in order to obtain a 40% solution. ... x=15 liters 15*(.20 pure acid)=3 liters 30*(.50 pure acid)=15 liters That is 18 liters pure acid That is 45 liters solution *0.45 pure acid=18 liters.
Step-by-step explanation:
Answer:
1600=50x+100(thats the equation) ACTUAL ANSWER: X=30
Step-by-step explanation:
I believe they are congruent.