Mathematics, 13.03.2020 03:35 cabriantenpenny
The radioactive isotope of lead, Pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. If 1 gram of this isotope is present initially, how long will it take for 70% of the lead to decay
Answers: 2
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How many terms does the polynomial x^2 y^2 have
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Mathematics, 21.06.2019 22:00, amandajennings01
22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!
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Mathematics, 21.06.2019 22:50, alisonlebron15
What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?
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