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shykim
16.11.2020 •
Mathematics
The ratio of students to laptops in a school is 3:2. If there are 1200 students,how many laptops are there
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Ответ:
-68 = 2(6)(9)cos(m)
cos(m) = -0.6296
m = arcos ( -0.6296)
m = 129.0 degrees