Mathematics, 02.10.2020 14:01 zarzuba
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QUESTION 3β12 marks
7,5, a, 8,1, a, 4,6, b have a mean of 5 and a variance of 3
and b such that a, b eZ+
Calculate the value of a
Answers: 3
Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
Answers: 3
Mathematics, 21.06.2019 16:30
Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)
Answers: 1
Mathematics, 21.06.2019 21:30
Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.
Answers: 2
This sample comes from.
QUESTION 3β12 marks
7,5, a, 8,1, a, 4,6, b have a mean of 5 and a vari...
7,5, a, 8,1, a, 4,6, b have a mean of 5 and a vari...
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