Mathematics, 30.06.2019 21:50 devenybates
When i was 16 years old, my brother was half my age. now i am 49, how old is my brother?
Answers: 1
Mathematics, 21.06.2019 14:00
Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)
Answers: 3
Mathematics, 22.06.2019 00:40
Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?
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Mathematics, 22.06.2019 04:30
Write the ratio as a fraction in lowest terms 1 1/3 to 1 2/3
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Mathematics, 22.06.2019 07:30
What is $0.8\%$ of $125\%$ of $8128$? express your answer as a decimal.
Answers: 1
When i was 16 years old, my brother was half my age. now i am 49, how old is my brother?...
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