Alguien me ayuda pls

Mathematics

1 answer:

Vesna [10]3 years ago

5 0

(sorry I don't understand your language but, here's my answer)

a/12 + 2/3(b) = ?
a = 5, b = -4
5/12 + 2/3(-4)
5/12 + 2/-12
1/4

<h2>ANSWER:</h2>

1/4

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Maksim231197 [3]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given quadratic functions:

$\begin{cases}y=-7x^2+26x+3\\y=-6x^2 +23x+5\end{cases}$

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$\begin{aligned}-6x^2+23x+5 & = -7x^2+26x+3\\-6x^2+23x+5+7x^2 & = -7x^2+26x+3+7x^2\\x^2+23x+5 & = 26x+3\\x^2+23x+5-26x & = 26x+3-26x\\x^2-3x+5& = 3\\x^2-3x+5-3& = 3-3\\x^2-3x+2& = 0\end{aligned}$