mrnotsosmart744
04.01.2020 •
Mathematics
72 = r 90 whats r in this equation
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Ответ:
also x times 1/x=1 since x/x=1
also x times 1=x
72=r90
divide both sides by 90
72/90=r
0.8=r
r=0.8
Ответ: