Evaluating a cognitive task to determine how best to accomplish and monitor one's performance is called metacognition. The phrase metacognition is used to denote thinking about your own thinking and refers to the knowledge and thought processes. It is a<span> useful mechanism to enhance student learning.</span>
Answer:
It will take 12 hours to fill the tank
Step-by-step explanation:
Proportions
Tap A fills a tank in 4 hours. It means each hour it fills 1/4 of the tank.
Tap B fills the tank in 3 hours. Each hour it fills 1/3 of the tank.
Tap C empties the tank when full in 2 hours. Each hour it empties 1/2 of the tank.
Each hour, the tank gets filled by:
Since the tank fills 1/12 of its capacity in one hour, it follows that it will take 12 hours to fill the tank
if the cost of resources used to produce a good increases, sellers will be less inclined to supply the same quantity at a given price, and the supply curve will shift to the left
<span>•Graduated income tax(established through 16th amendment)
•Direct election of senators(established through 17th ad)
•Gov't ownership of railroad, telegraphs, & telephones
•Coinage & free silver</span>