[COMBINATORICS]
Exercise A:
If there are 3 roads from town W to town X, 4 roads from town X to town Y and 3 roads from town Y to town Z, how many ways can one go from town W to town Z?
Exercise B:
a. 9!
b. 10!/(10-3)!
c. 7!4!
Exercise C:
a. Given : P (15, r) = 32,760, find r
b. Given : P (n, 4) = 7,920, find n
//Thank you in advance and God bless!
Exercise A:
If there are 3 roads from town W to town X, 4 roads from town X to town Y and 3 roads from town Y to town Z, how many ways can one go from town W to town Z?
Exercise B:
a. 9!
b. 10!/(10-3)!
c. 7!4!
Exercise C:
a. Given : P (15, r) = 32,760, find r
b. Given : P (n, 4) = 7,920, find n
//Thank you in advance and God bless!
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Answer:
Exercise A
3+4+3
from W to X is three roads. 3
from X to Y is four roads. 4
from Y to Z is three roads. 3
from W to Z is ten roads =10
Exercise C
a. Given 15x2180.4
b. Given 1980÷4
r=2180.4
n=1980
Step-by-step explanation:
yan po ang aking sagot
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