Answer:
The equation is:

And the solution is:

Step-by-step explanation:
Given
Represent Kiran with K and Tyler with T
Kiran score is represented as:

Also, Kiran scored 223 less than Tyler.
This is represented as:

Substitute 409 for K

Make T the subject


Answer:
r = 49
Step-by-step explanation:
686 = 14r
686/14= 49
r = 49
Answer:
5.46π cm³
Step-by-step explanation:
Volume of sphere= 4/3πr³
= 4/3×π×(1.6)³ cm³
=5.46π cm³
hope this helped you!
Answer:
18
Step-by-step explanation:
81π=πr^2
r= 9,-9
9+9=18
Answer:
Mean = 29300
median = 23500
Modal = 23000
Step-by-step explanation:
Mean = Add them all and divide by 10
= 29300
median = average of (rank of 5th and 6th)
= (23000 + 24000) /2
= 23500
Modal = appear the most
= 23000