Discover Questions

Solve each equation by the method of completing the square. Show your work.
Part I: x^2 + 8x = 20 Part II: x^2 − 30x = −125? Probabilities question: If an event has a 1 in 32 chance of occurring, what is the chance that it will occur twice in 6 tries? Need help with this question? Its a math matrix? What is Go for the reaction
2 H2O(l) H3O+(aq) + OH-(aq) K = 10^-14? Calculate the amount of volume change when iron is oxidized to Fe2O3 (p= 5.24 g/cm3). The density of Fe is 7.787 g/cm3.?