hanchinsko12
23.02.2021 •
Mathematics
4. One printing machine printed 1920 books in 40 hours this week. A
second printing machine printed for 30 hours this week but printed books
at twice the hourly rate of the first machine. How many books did the
second machine print this week?
Solved
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Ответ:
Divide 1920 by 40
Then multiply the number by 2
You will get 96
Then multiply it by 30
Ответ:
24°
Step-by-step explanation:
Complementary angles are the angles whose measurements equal to 90°
To find the complement of 66 you subtract it from 90
90 - 66 = 24