Mathematics, 10.06.2021 18:30 charati1317
Element x is a radioactive isotope such that every 11 years it's mass decreases by half. Given that the initial mass of a sample of element x is 70 grams how long would it be until the mass of the sample reached 14 grams to the nearest tenth of a year?
Answers: 2
Mathematics, 21.06.2019 20:30
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
Mathematics, 22.06.2019 00:00
50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13
Answers: 1
Mathematics, 22.06.2019 01:00
Use the drop-down menus to complete the statements to match the information shown by the graph.
Answers: 3
Element x is a radioactive isotope such that every 11 years it's mass decreases by half. Given that...
Mathematics, 08.02.2021 23:20
Mathematics, 08.02.2021 23:30
Biology, 08.02.2021 23:30
Advanced Placement (AP), 08.02.2021 23:30
Mathematics, 08.02.2021 23:30
Mathematics, 08.02.2021 23:30
Mathematics, 08.02.2021 23:30
Mathematics, 08.02.2021 23:30
Mathematics, 08.02.2021 23:30
Chemistry, 08.02.2021 23:30