lexia131
lexia131
03-11-2016
Mathematics
contestada
f(-3)=2xsquard root of 2 +9
Respuesta :
Azieq
Azieq
03-11-2016
solution = 2(-3)^2 + 9
= 18 + 9
= 27
i am a mathematics teacher. if anything to ask please pm me
Answer Link
Аноним
Аноним
03-11-2016
√
2x−5=7
(
√
2x−5
)
^2=7^2
2x−5
=49
2x
=54
x=27
Answer Link
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