2 years ago

Please help me, I’m very confused

1 answer:

6 0

Answer:

Step-by-Step:
(This is a right angle which = 90°)

Set an equation up:
(x-4)+(2(x+6)) = 90
x-4+2x+12 = 90
3x+8 = 90
3x=82
x = 27.3333333333
x= 27.33

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Step-by-step explanation:

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bagirrra123 [75]

Answer:
5n-4

Explanation:
The given expression is:
$\frac{-85n^2-27n+76}{-17n-19}$

1- Take the negative as a common factor from both the numerator and the denominator. This will give us:
$\frac{-(85n^2+27n-76)}{-(17n+19)}$

2- Cancel out the negative sign (common factor) from the numerator and denominator. This will give us:
$\frac{(85n^2+27n-76)}{(17n+19)}$

3- Factor the numerator. This wil give:
$\frac{(5n-4)(17n+19)}{(17n+19)}$

4- Finally, cancel out the (17n+19) which common in both numerator and denominator. This will give us the final expression:
5n-4

Hope this helps :)

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2 years ago

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AnnZ [28]

(8/9) / 6 =
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2 years ago

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