I just need help with the answers!
...
Answers: 1
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 16:30
Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?
Answers: 3
Chemistry, 26.03.2020 06:56
Mathematics, 26.03.2020 06:56
Physics, 26.03.2020 06:56
Mathematics, 26.03.2020 06:56
Computers and Technology, 26.03.2020 06:57
Mathematics, 26.03.2020 06:57
English, 26.03.2020 06:58
Mathematics, 26.03.2020 06:58
Mathematics, 26.03.2020 06:58
Biology, 26.03.2020 06:59
Spanish, 26.03.2020 06:59
Mathematics, 26.03.2020 06:59
Chemistry, 26.03.2020 06:59
Arts, 26.03.2020 07:00