mastertrapper
21.08.2019 •
Mathematics
4x squared + 7x +2=0 use quadratic formula
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Ответ:
x = -7 +/- √(7² - 4(4)(2))
2(4)
x = -7 +/- √(49 - 32)
8
x = -7 +/- √(17)
8
x = -7 +/- 4.123
8
x = -7 + 4.123 x = -7 - 4.123
8 8
x = -2.877 x = -11.123
8 8
x = -0.359625 x = -1.390375
Ответ:
45 hours
Step-by-step explanation:
363 / 8.24 = 44.1
round up
45