Answer: 120 ways
Step-by-step explanation:
Let's label the routes a, b, c, d, and e. The goal is to come up with as many unique permutations as possible.
1 route: a=1. one factorial (1!) =1*1=1
2 routes: ab, ba=2. 2!=1*2=2
3 routes: abc, acb, bac, bca, cab, cba=6. 3!=1*2*3=6
4 routes: 4!=1*2*3*4=24
5 routes: 5!=1*2*3*4*5=120 ways
Answer:
correct statements in Q no. 17 are;
Answers for Q no. 18;
Step-by-step explanation:
He should not have simplified 3/7 to 1/7 as they do not equal - he now has 2 less sevenths than before.
Answer - N=2 . Solve for n by simplifying both sides of the equation then isolating the variable.
Answer:
152 cm sq.
Step-by-step explanation: