Mathematics, 09.02.2021 23:40 nayelieangueira
Element X is a radioactive isotope such that every 28 years, its mass decreases by
half. Given that the initial mass of a sample of Element X is 80 grams, how long
would it be until the mass of the sample reached 61 grams, to the nearest tenth of a
year?
Answers: 2
Mathematics, 21.06.2019 16:00, MengXiong1
Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!
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Mathematics, 21.06.2019 17:40, sophiaa23
Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species
Answers: 2
Mathematics, 22.06.2019 01:00, Mypasswordishotdog11
Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?
Answers: 1
Element X is a radioactive isotope such that every 28 years, its mass decreases by
half. Given that...
Mathematics, 07.04.2021 04:10
Mathematics, 07.04.2021 04:10
Mathematics, 07.04.2021 04:10