shanua
22.12.2019 •
Mathematics
Multiply (2x+3)^2
a- 4x^2-12x+9
b- 4x^2+12x+9
c- 4x^2+9
d- 4x^2+6x+9
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Ответ:
B is your answer ;)
Step-by-step explanation:
Ответ:
AB = 8.06
Step-by-step explanation:
From the picture we see that Point C = ( 1, 3)
it is given as a richt sided triangle. Point C has the corner of 90 °.
so now all measures are known.
AC = 4
BC = 7
AB² = AC² + BC²
AB² = 4² + 7²
AB² = 16 + 49
AB = + - sqrt(65)
AB = 8.06