Solve the equation by completing the square. Give the solutions in exact form and in decimal form rounded to two decimal places. (Enter your answers as a comma-separated list.) −x2 + x − 1 = 0
exact form x =

Correct: Your answer is correct.
decimal form x ≈

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

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Solve for x where 0 equation: cot^2x+2cotx+1=0