3 years ago

Fie Paralelipipedul dreptunghic ABCDA'B'C'D'. Demonstrati ca ( C'DB ) paralel ( AD'B' )

1 answer:

mash [69]3 years ago

6 0

Abcdefghijklmnop quoia

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Aneli [31]

Answer:

$x=-1\pm \sqrt{6}i$

Step-by-step explanation:

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\frac{-(2)\pm\sqrt{2^2-4(1)(7)}}{2(1)}$

$x=\frac{-2\pm\sqrt{4-28}}{2}$

$x=\frac{-2\pm\sqrt{-24}}{2}$

$x=\frac{-2\pm\sqrt{-1*24}}{2}$

$x=\frac{-2\pm\sqrt{-1}\sqrt{24}}{2}$

$x=\frac{-2\pm i\sqrt{4*6}}{2}$

$x=\frac{-2\pm i\sqrt{4}\sqrt{6}}{2}$

$x=\frac{-2\pm2i\sqrt{6}}{2}$

$x=-1\pm \sqrt{6}i$

5 0

2 years ago

ladessa [460]

<span>y - 7 = 3(3x - 11)
y - 7 = 9x - 33
y = 9x - 26

</span>answer
slope intercept form: y = 9x - 26

4 0

3 years ago

pochemuha

72.00/0.25 = 288 then 288/2 = 144 and you would then do 1.25 x 144 = 180,
Phil baked 180 cookies

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2 years ago

Vanyuwa [196]

180-48.2-75=56.8 thank you

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2 years ago

jenyasd209 [6]

hi guys pls friend me i need freinds pls

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1 year ago