Anumber cube with the numbers 1, 2, 3, 4, 5, and 6 is rolled 24 times.

about how many times would it be expected that a 2 or a 5 is rolled?

a. 2

b. 4

c. 6

d. 8

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!