Answer:
x < 7
Step-by-step explanation:
The hollow circle represents less than or greater than. Because the arrow points to the left, the line is representing less than.
Answer:
350 mL
Step-by-step explanation:
Let q represent the quantity (in mL) needed of the 70% solution. Then the total amount of mixture will be q+50 milliliters. The total amount of alcohol in the mixture will be ...
0.70q +0.30(50) = 0.65(50 +q)
.05q = 17.5 . . . . . . subtract (0.65q +1.50)
q = 350 . . . . . . . . . divide by 0.05
You will need 350 mL of the 70% solution.
Answer:
Your answer is 1,476
Step-by-step explanation:
Answer:
(6+a)/3
Step-by-step explanation:
(6+a)/5-3
5-3=2
(6+a)/2
Answer:
40 and 45
Step-by-step explanation:
i hope this helps
