jabriskie5668
11.02.2021 •
Mathematics
Which of the following are solutions to the quadratic equation? Check all that
apply
2x2 + 9x-3 = - x2 + x
O A. -3
B.
Ji-
O C. 1
D.
D. }
O E. 3
OF. -2
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Ответ:
8.5
Step-by-step explanation:
120 * 0.4 = 48 + 20 = 68
120 * 0.45 = 54 + 22.25 = 76.5
76.5 - 68 = 8.5