The function f(t) = 25 sin + 10 models the temperature of a periodic chemical reaction where t rep reaction, and how long does the entire cycle take? (5 points)
Maximum: 35°; minimum: -15°; period: 4 hours
Maximum: 25°; minimum: 10°; period:
TT
2
hours
Maximum
Maximum: 100°; minimum: -15°; period:
hours
Maximum: 35°; minimum: 35º; period: 8 hours

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.