Answer:
taking the square root of both sides of the equation
Step-by-step explanation:
I didnt do it sorry
The ration is 4 cups water:1 cup vinegar so c cups water:12 cups vinegar 4 water/1 vinegar =c water/12 vinegar cross multiply so 12 times 1 and 4 times c so you get 12/4c divide both sides by 4 and you get 3 c=3
Answer: there are a total of 7 marbles
Step-by-step explanation:
The chance of the first marble being blue is 4/7. Now we only have 6 marbles in the bag (3 red and 3 blue)
The chance of the second marble being blue is 3/6
Answer:
3.6 qt. and 2.4 qt respectively
Step-by-step explanation:
Let x be x% of 50% saline solution. And (100-x%) be the percentage of 60% saline solution.
54=x*(50/100)+(100-x)*(60/100), solving it we will get x=60%. So we need 3.6 qt. of 50% saline solution and 2.4 qt. of 60% saline solution
The quality of the goods you produce depends on the quality of your production process. If your production process doesn’t meet the required quality standards, the product may be of inferior quality.
