Need help with these plz
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Mathematics, 21.06.2019 22:00, victordguerrero2535
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
Mathematics, 22.06.2019 03:30, ryleepretty
15. jiovanni is looking in to two different companies that offer study guides for math exams. test prep 101 charges a $5 flat fee and an additional $0.25 per problem. math charges a $2 flat fee and an additional $0.50 per problem. how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {
Answers: 1
Mathematics, 22.06.2019 04:00, AmbitiousAndProud
Which of the following questions describes the equation g + (-4) = -5? a)what number, when added to negative four, is equal to negative five? b)what number, when added to negative five, is equal to negative four? c)what number, when subtracted from negative four, is equal to negative five? d)what number, when subtracted from negative five, is equal to negative four?
Answers: 1
English, 13.11.2020 03:40
Mathematics, 13.11.2020 03:40
Mathematics, 13.11.2020 03:40
Mathematics, 13.11.2020 03:40
Mathematics, 13.11.2020 03:40
Mathematics, 13.11.2020 03:40