Mathematics, 21.04.2021 18:30, msjuly723
Element X is a radioactive isotope such that every 42 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 50 grams, how long would it be until the mass of the sample reached 45 grams, to the nearest tenth of a year?
Answers: 2
Mathematics, 21.06.2019 16:30, amir6658
Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.
Answers: 1
Mathematics, 21.06.2019 19:00, faizaanahmed4p7gn2z
The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'
Answers: 1
Mathematics, 22.06.2019 04:00, KingMack1136
Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.
Answers: 3
Element X is a radioactive isotope such that every 42 years, its mass decreases by half. Given that...
Mathematics, 20.07.2019 16:00
History, 20.07.2019 16:00