How many distinguishable 6-bead bracelets can be made out of red and yellow beads? (the bracelet may consist of all red beads, all yellow beads, or a combination of red and yellow beads. assume the beads are indistinguishable apart from color.)

If the value of cos330°is√3/2 then find cos 165°.

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12%

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.