Solve using substitution.
2x-3y
x+y=9
just so you know, I know the answer it...
Mathematics, 02.06.2020 00:59 edwin3448
Solve using substitution.
2x-3y
x+y=9
just so you know, I know the answer its (3,6). I just need the explanation on how to get that answer using substitution.
Answers: 1
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Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6
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