liyahheadhigh
05.03.2020 •
Mathematics
Which expression is equivalent to 84.63?
(6.6.6.6)+(6.6.6)
(6+6+6+6) (6+6+6)
(6.6-6-6) (6-6-6)
© (6-86-6-6) (6-6-6-6)
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Ответ:
5x2 + 30x + 25 = 0
Step-by-step explanation:
5x2 + 30x + 25
Ответ:
the answer is c
Step-by-step explanation:
cos30 = sin60
then cos30 - sin 30 = 0
c is the only choice which can satisfy in the problem