Answer:
8/5
Step-by-step explanation:
Remember that
i^2=-1 so
f(i)=i^3-2i^2
i^3=i^2 times i=-1 times i=-i
2i^2=2(i^2)=2(-1)=-2
f(i)=-i-(-2)
f(i)=-i+2
answer is -i+2 or 2-i
It’s a 5/9 chance
Add all the marbles 3yellow+5red+1green (because you already took one green out)= 9 marbles and then you have 5 marbles so you have a 5 chance of picking a red marble out of 9 marbles
I think you want diagonal "ae" right?
According to this site:
https://www.easycalculation.com/area/learn-cube.php
a cube diagonal = square root of 3 * side length
square root of 3 * 45 =
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77.94229
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Answer:
60 kilograms
Step-by-step explanation: