Answer:
Mean age = 1271.27
Step-by-step explanation:
No of children = 77
The age at which children first began to combine words = 16.51 months
Mean age = No of children × age at which children first began to combine words
= 77 × 16.51
= 1271.27
Mean age = 1271.27
Answer:
angle x= 60
so it is in the ratio 1:2:√3
√3x=3
ie.x=√3/3
adjacent side=x=√3/4
Answer:
D
the first one obviously isnt random
the second one is selective then random
the third one is also selective
the fourth one is random
It would be: 5/3 * 90 = 150 degrees.........
Answer:
1
Step-by-step explanation:
f(n) = 3n
f(1/3)= 3*(1/3)=1
f(1/3)=1
