3 years ago

Calling All Mathematicians Please Please Please Help On This Question!!!!!!!!!!!!!!

1 answer:

8 0

Use the distance formula, AB=√[(1-(-9)]²+[(-1-(-3)]=√[100+4]=√104
use the same formula, AC=√52, BC=√52
AC²+BC²=52+52=104=AB²
Yes, it is a right triangle.

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Expand and simplify 4 ( y + 6 ) − 2 ( y − 2 )

elena-14-01-66 [18.8K]

[ Answer ]

$\boxed{2y \ + \ 28}$

[ Explanation ]

4(y + 6) - 2(y - 2)

[Expand] 4(y + 6): 4y + 24

4y + 24 - 2(y - 2)

[Expand] -2(y - 2): -2y + 4

4y + 24 - 2y + 4

[Simplify] 4y + 24 - 2y + 4: 2y + 28

= 2y + 28

$\boxed{[ \ Eclipsed \ ]}$

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Step-by-step explanation:

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3 years ago

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iogann1982 [59]

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