Answer:
Step-by-step explanation:
r = 9 cm
h = 10 cm
Volume of cone = (1/3)πr²h

= 847.8 cubic cm
Answer:
Step-by-step explanation:
Using vector method to solve it
Resultant can be given by


R=671.12 Km/hr
The angle made by resultant with 700 km/hr is 
using sine rule



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Well you need an equation because how many friends were at the party? x*12x10=w thats your equation or however you want to put it. the letters are your variables
2:3:5
2x+3x+5x=180
10x=180
x=18
2x=36
3x=54
5x=90