Find the expected value of the winnings from a game that has the following
payout probability distribution:
10
Payout (salny o 1 2 5
Probability 0.12 0.2 0.38 0.2
0.1
Expected Value = [?]
Round to the nearest hundredth.

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0