Please help me on my math
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Answers: 3
Mathematics, 21.06.2019 12:30
Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?
Answers: 2
Mathematics, 21.06.2019 15:00
When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?
Answers: 1
Mathematics, 21.06.2019 17:00
The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?
Answers: 1
Mathematics, 21.06.2019 17:00
The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.
Answers: 3
Mathematics, 28.12.2019 21:31
Health, 28.12.2019 21:31
Social Studies, 28.12.2019 21:31
Mathematics, 28.12.2019 21:31
History, 28.12.2019 21:31
Chemistry, 28.12.2019 21:31
Physics, 28.12.2019 21:31
Mathematics, 28.12.2019 21:31
Chemistry, 28.12.2019 21:31
Mathematics, 28.12.2019 21:31
Chemistry, 28.12.2019 21:31
Social Studies, 28.12.2019 21:31