And or both means we multiply the given probability situations that are mutually exclusive and exhaustive - they cannot occur at the same time.
let P(a)=x
then: P(b) * P(a) =3/4
15/16 * x = 3/4
15x/16 = 3/4
therefore x= 3/4 *16/15
x = 4/5
P(a) = 4/5
hope it's clear
Answer:
451.5
Step-by-step explanation:
I'm rusted on the mathematics
Answer:
x = -2
y = 7
Step-by-step explanation:
x+y=5
y=7
x+y=5
x + 7 = 5
x = -2
x+y=5
-2 + y = 5
y = 7
Answer:
612
Step-by-step explanation: Im guessing ran out of time
It is 6.5 days actually. 3.6/0.2= 13. Since it goes by a half of a day, divide the 13 and 0.5. 6.5 should’ve been that students answer.