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how many combinations can be made from the letters of the word mother taken 4 at a time?
a.15
b.25
c.35
d.45
please pa sagot po ng maayos​


Sagot :

Answer:

b

Step-by-step explanation:

brainliest pls

hope it helps

Answer:

A. 15

Step-by-step explanation:

nCr = n! / ((n – r)! r!)

6C4 = 6! / ((6-4)!4!)

6C4 = 6! / (2!4!)

6C4 = 720 / (2×24)

6C4 = 720 / 48

6C4 = 15