Answer:
Probability p( selecting 8 cities alphabetically) = 2.48×10^-5
Step-by-step explanation:
Number of possible ways of choosing 8 cities=Permutation P(n,k) = n!/(n-k)!
P(8,8)= 8!/(8-8)! = 8! = 40,320
Probability (selecting 8 cities alphabetically) = 1/40320 = 2.48×10^-5
Answer:
b
Step-by-step explanation:
Answer:
There are four terms of the expression
.
Step-by-step explanation:
The given expression is
.
The first term of this expression is
.
The second term of this expression is
.
The third term of the expression is
.
The fourth term of the expression is
.
Therefore, there are four terms in the given expression.
All 3 angles of a triangle add up too 180, so 80+55= 135, 180-135 is 45, so the value of x is 45