If two chords are perpendicular to each other and one chord is bisected, what do you know about the other chord? it is the radius. it is the diameter. the chords are the same length. the chords are the same line.

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

Do 12/14 and 8/10 have the same value? explain your answer.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil