Mathematics, 11.03.2021 21:30 crystal271
A sample of a radioactive isotope had an initial mass of 550 mg in the year 2009 and
decays exponentially over time. A measurement in the year 2015 found that the
sample's mass had decayed to 90 mg. What would be the expected mass of the
sample in the year 2020, to the nearest whole number?
Answers: 1
Mathematics, 21.06.2019 14:20, TheViperMlg23676
What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?
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Mathematics, 21.06.2019 17:30, kaliebeckp8vqrs
11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"
Answers: 1
Mathematics, 21.06.2019 18:00, cgonzalez1371
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 2
Mathematics, 21.06.2019 23:30, aherrerasmile1
Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000
Answers: 1
A sample of a radioactive isotope had an initial mass of 550 mg in the year 2009 and
decays exponen...
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