asked 206k views
5 votes
Solve by substitution

2u + v = 9
 u      1
---  - --- =  -v
 2      2
------------------------------

asked
User Brookie
by
8.6k points

1 Answer

5 votes
A=πr2=π·5.52≈95.03318
answered
User Juanefren
by
8.0k points

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