Mathematics, 02.12.2020 19:20 mrichardson2880
Element X decays radioactively with a half life of 14 minutes. If there are 490 grams
of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 123 grams?
y= a(.5)
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
Answers: 1
Mathematics, 21.06.2019 21:00
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.
Answers: 1
Mathematics, 21.06.2019 21:30
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
Mathematics, 22.06.2019 01:30
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ÌŠ and to the other is 52 ÌŠ. how far apart are the cars?
Answers: 2
You know the right answer?
Element X decays radioactively with a half life of 14 minutes. If there are 490 grams
of Element X,...
Questions
Biology, 13.10.2019 01:50
English, 13.10.2019 01:50
Biology, 13.10.2019 01:50
Health, 13.10.2019 01:50
History, 13.10.2019 01:50
English, 13.10.2019 01:50
Mathematics, 13.10.2019 01:50
Physics, 13.10.2019 02:00
Social Studies, 13.10.2019 02:00
Geography, 13.10.2019 02:00
Mathematics, 13.10.2019 02:00
Health, 13.10.2019 02:00
