jesser9
31.07.2019 •
Mathematics
Mr. mcelroy enjoys listening to his mp3 player, which has 2,000 songs in five different genres of music. he took a sample of the number of each type of song it played on two different one-hour sessions when it was set to play a random mix. the counts are shown in the table below. which proportion would predict the number of jazz songs he has stored on his mp3 player? a) 6/20 = x/2000 b) 3/20 = x/2000 c) 2/4 = x/2000 d) 3/40 = x/2000
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Ответ:
A
Step-by-step explanation:
Ответ:
the upper bound for the length 370 mm is alos 370 mm because there is no other number that can be rounded down to 370 that also has 2 significant figure. b. area = 370 x 19.4 = 7178.0 so the lower bound is 7177.5
Hope this helps