Answer: 123.5 centimeters
Step-by-step explanation:
Let sum of observations be S and number of observations be n.
Average A=
The average height of 4 children is (15h-3)

Also, when two more children join the group with heights of (10h+46) centimeters and (14h-16) centimeters the sum of heights of 6 children will be

Now, Average height of 6 students=
At h=9
Average height of 6 students=
Answer:
I'm pretty sure it's 12. hope it helps.
A and can I be brainliest? :3
Answer:
(7x+3)
Step-by-step explanation:
2x+5x+3 is simplified to 7x+3 which is the only factor of this binomial.
Answer:
the answer is 15/4
Step-by-step explanation:
all you have to do is take the independent variable and put the sign in between.