Sally initially has 4 hours of pop music and 3 hours of classical music in her collection. every month onwards, the hours of pop music in her collection is 8% more than what she had the previous month. her classical music does not change. which function shows the total hours of music she will have in her collection after x months

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

77

step-by-step explanation:

b. x + 1

step-by-step explanation:

i'am smart

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,