Achemist has a 30% and a 45% acid solution. what amount of each solution should be used to make 500ml of solution with 35% acidity?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Find the solution of system of equation y= x-4 y=4x+2

If sin(x) = 0 and cos(x) = 1, what is tan(x)?