strawberrymrmr756
31.08.2021 •
Mathematics
Sin3x+cos3x-2 căn 2 cos[x+pi,/4]/sinx =0
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Ответ:
33 CDs
Since half the CDs were destroyed, you need to find the total CDs Ted had before the fire.
20 CDs = 1/2 of what Ted had
20*2=40 CDs
Now, subtract 7 from the 40 CDs to find the amount he had in the beginning.
40-7=33