Mathematics, 06.03.2020 23:42 yadi64
The half life of a certain substance is about 4 hours. The graph shows the decay of a 50 gram sample of the substance that is measured every hour for 9 hours. Which equation can be used to determine the approximate number of grams of the sample remaining after t hours?
A. y = 50(1/2)^t/4
B. y = 50(1/2)^t/9
C. y = 25(1/2)^t/4
D. y = 25(1/2)^t/9
Please explain!
Answers: 1
Mathematics, 21.06.2019 13:30
Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression
Answers: 3
Mathematics, 21.06.2019 17:30
Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules
Answers: 1
Mathematics, 21.06.2019 18:40
Acircle has a circumference of 28.36 units what is the diameter of the circle
Answers: 2
Mathematics, 21.06.2019 19:10
If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.
Answers: 1
The half life of a certain substance is about 4 hours. The graph shows the decay of a 50 gram sample...
Mathematics, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00
Physics, 19.03.2021 19:00
Social Studies, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00
English, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00
Biology, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00
History, 19.03.2021 19:00
Mathematics, 19.03.2021 19:00