angelthompson2018
23.07.2019 •
Mathematics
Ineed ! in parallelogram abcd , ae=x^2−8 and ce=2x . what is ac ?
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Ответ:
because
x^2 - 8 = 2x
x^2 - 2x - 8 = 0
(x + 2)(x - 4) = 0
x = - 2 or x = 4
(4)^2 - 8 = 16 - 8 = 8
2(8) = 16
Ответ:
it's being multiplied by 2
every time
Step-by-step explanation:
.41*2=.82