Answer:
219/16
Step-by-step explanation:
15+10 =25 years old(Marry)
Divide it by 2 = 12.5
=13
Marry =25
Niece= 13
Answer:
972π m³
Step-by-step explanation:
given
in a sphere
radius (r) = 9 m
Volume (V ) = ?
so we know
The formula for the volume of a sphere is V = 4/3 πr³.
now
V = 4/ 3 * π * 9³
V = 972π m³
hope it helps :)
Answer:
x = 3
Step-by-step explanation:
7x - 9 + 3x = 2x + 18 - x
10x - 9 = x + 18
10x - x = 18 + 9
9x = 27
x = 3
