Answer:
4 different ways
Step-by-step explanation:
Total number of children = 4
Distribution of the 4 children :
Number of boys = 3 ; Number of girls = 1
Boy = B ; Girl = G
Possible combinations :
BBBG ; GBBB ; BBGB ; BGBB
From the pascal triangle number of e; number of outcomes = 2
Having exactly 3 boys and 1 girl
Hence, of any of the 4 four total children, 3 must be boys and 1 girl ;
Answer:
Step-by-step explanation:
Given that,
The frequency of x-rays, 
We need to find the wavelength for x-rays. The relation between wavelength, frequency and speed of light is given by :
So, the wavelength for x-rays is 
.
Answer:
12,686
Step-by-step explanation:
add both numbers up then multiply by 2
Answer:
14
Step-by-step explanation:
7-3 = 4 4+10=14 therfore 14 would be the answer hope this helps
Answer:when in doubt go with c
Step-by-step explanation:
just do it
