225/3 = 75
75 x 5 = 375
Hope this helps.
Answer:
Step-by-step explanation:
7+5b²-2a²+7b²+66-20a-3
first collect like terms
5b²+7b²-2a²-20a+7-3
12b²-2a²-20a+4
hope it's helpful
THANK YOU.
Answer:
93 ft
Step-by-step explanation:
the area of a triangle is :
A = (b*h)/2 where b is the base and h the height(here t)
4092 = (88*t)/2
2*4092 = 88*t
t= (4092*2)/88 = 93 ft
Answer:
∑E(x
) = 13.49167 floors
Step-by-step explanation:
The expected number of floors no one get off = ∑E(x) where i is from 0 to 23
and E(x) = ∑xP(x)
here x is the indicator of floor where no one gets off, its value is 0 when atleast one person get off on its floor and 1 when when no one gets off.
Now,
P(x=1) = (22/23)¹²
P(x=0) = [1-(22/23)¹²]
Now,
E(x) = ∑xP(x) = 0* [1-(22/23)¹²] + 1*(22/23)¹² =0.586594704
For total number of floors where no one gets off
∑E(x) = E(x₁)+E(x₂)+E(x₃)........................+E(x₂₃)
∑E(x) = 23*0.586594704
∑E(x) = 13.49167 floors
Answer:
i cant see it... its like all torn up
Step-by-step explanation:
you know like a tv with no channel thats what its like for me
