La un test cu 20 de intrebari se acorda 2 puncte pentru un raspuns corect ,dar se scad 5 puncte pentru un raspuns gresit sau lipsa a)Care e punctajul maxim si cel minim b)Daca Andrei a luat 19 puncte la cate intrebari a raspuns corect

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)