23 because there the same angle as DAC so BAD is also 23
An hour is 60 minutes
there are three hours so
60*3=180
how many times will 3.5 go into 180 so
180/3.5=51.43 or rounded up you get 52 songs (if they're good, they'll play 52 average songs and one half legnth songs)
so they will need 52 songs
Answer:
200
Step-by-step explanation:
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Use arccos...cos^-1 so
cos^-1 (0.8195)
it equals 34.96522689°
