Mathematics, 25.01.2020 06:31 marquezbell6577
In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones of people alive at the time. if the half-life of strontium-90 is 30 years, what fraction of the strontium-90 absorbed in 1963 remained in people's bones in 2004?
fraction =
Answers: 2
Mathematics, 21.06.2019 14:00
Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.
Answers: 1
Mathematics, 21.06.2019 16:50
Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.
Answers: 2
Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weap...
Biology, 11.01.2020 15:31
Social Studies, 11.01.2020 15:31
History, 11.01.2020 15:31
Mathematics, 11.01.2020 15:31
Mathematics, 11.01.2020 15:31
Computers and Technology, 11.01.2020 15:31
Mathematics, 11.01.2020 15:31
Mathematics, 11.01.2020 15:31
History, 11.01.2020 15:31