subject
Mathematics, 09.04.2021 01:00 anikabarnhart

Researchers are monitoring two different radioactive substances. They have 300 grams of substance A which decays at a rate of 0.15%. They have 500 grams of substance B which decays at a rate of 0.37%. They are trying to determine how many years it will be before the substances
have an equal mass.
If Mrepresents the mass of the substance and trepresents the elapsed time in years, then which of the following systems of equations can be
used to determine how long it will be before the substances have an equal mass?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
If chord ab is congruent to chord cd, then what must be true about ef and eg?
Answers: 1
question
Mathematics, 21.06.2019 23:00
Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer
Answers: 2
question
Mathematics, 22.06.2019 01:30
Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample
Answers: 1
question
Mathematics, 22.06.2019 02:50
1. how do you find p(a and b) if a and b are dependent events for two or more actions, such as selecting two candies and drawing p(green, and then pink)?
Answers: 1
You know the right answer?
Researchers are monitoring two different radioactive substances. They have 300 grams of substance A...
Questions
question
Mathematics, 05.01.2020 03:31
question
English, 05.01.2020 03:31