Answer:
5/9
Step-by-step explanation:
He lived 9 months in Portugal and 5 months in Brazil. This is because 130*9 + 150*5 = 1920.
Answer:
1 + 1 = 2
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Volume of cone= 1/3 πr²*h
15²=10²+h²
h²=15²-10²=125
h=√125
Volume of cone= 1/3 *π*100*√125=π/3*(100*5√5)=500π√5/3
Volume of sphere=4/3*π*r³=4/3*π*1000=4000π/3
Volume of half sphere=(4000π/3)/2=2000π/3
All Volume=500π√5/3+2000π/3
