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29.08.2019 •
Mathematics
Which are the solutions of the quadratic equation? x2 = 7x 4
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Ответ:
answer: the solutions are x = 7.53 and x = -0.53
Ответ:
x^2 -7x -4 =0
a=1
b=-7
c=-4
x = [7 +/- √[(49-(4)(1)(c)] / (2)
x = -0.531 and x = 7.531
Ответ:
the students will have $115. but your not providing much information.