drma1084
12.03.2021 •
Mathematics
Help me out thanksss
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Ответ:
6.244
Step-by-step explanation:
Reverse pythagreon therom since it is told that a2+b2=c2
you would have 5^2+b^2=8^2
it would end up being
25+b^2=64
go to the other side and sub 25 to 64
then you should get
b^2=39
then square it
b= 6.2449
Ответ:
−20+(−40)+(−60)
4 and 5 is properties of addition
-80 is your answer
hope this helps