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castortr0y [4]
3 years ago
14

PLEASE HELP! (: i'm really dumb in math, so. Just wanna make sure I do it right.

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0
1) ADC
2)HGF
3)segment AB and segment ED because they are on different planes
777dan777 [17]3 years ago
6 0
1) ADC
2)BGF i think...
3) idk what skew means
Helped as much as I can right now...
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Please help with #12 im confused<br> that is the key but i dont get it
Svetllana [295]

Given Equation

\boxed{ \tt \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})}

Step by step expansion:

\dashrightarrow \sf \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})

\\  \\

\dashrightarrow \sf \: (8 \sqrt{3})^{2}  - (2 \sqrt{2}  {)}^{2}

Reason:

(a + b)(a - b) = a²- b²

\\  \\

\dashrightarrow \sf \: (8 {}^{2}  \times  { \sqrt{3} }^{2} )- (2 \sqrt{2}  {)}^{2}

\\  \\

\dashrightarrow \sf \: (64  \times 3 ) - (2 \sqrt{2}  {)}^{2}

\\  \\

\dashrightarrow \sf \: (64  \times 3 ) - (2 {}^{2} \times   \sqrt{2}  {}^{2}  {)}

\\  \\

\dashrightarrow \sf \: 192- 8

\\  \\

\dashrightarrow \sf \: 184

\\  \\

~BrainlyVIP ♡

4 0
2 years ago
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Answer

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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vazorg [7]
Here is the answer:
if you need step by step let me know

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3 years ago
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