Mathematics, 21.06.2019 21:00, itsdeevv
How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
Answers: 3
Mathematics, 21.06.2019 17:50, domiyisthom
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 20:30, Destiny8372
Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account
Answers: 2
Mathematics, 21.06.2019 21:40, melinalange48
What is the value of x in the equation 1.5x+4-3=4.5(x-2)?
Answers: 2
How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed...