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steposvetlana [31]
1 year ago
9

Assuming the following two triangles are congruent, solve for x if QR = 3x + 16 and GH = 5x - 22.Two trianglesA)12B)-3C)19D)76

Mathematics
1 answer:
amm18121 year ago
6 0

Explanation:

Concept:

To calculate the value of x, we will use the relation below

\begin{gathered} QR=GH \\ QR=3x+16 \\ GH=5x-22 \end{gathered}

Bu\y substituing the values, we will have

\begin{gathered} QR=GH \\ 5x-22=3x+16 \\ collect\text{ similar terms, we will have} \\ 5x-3x=16+22 \\ 2x=38 \\ \frac{2x}{2}=\frac{38}{2} \\ x=19 \end{gathered}

Hence,

The final answer is

19

OPTION C is the correct answer

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Step-by-step explanation:

Llamemos x a la edad actual de Jaime, si la edad actual de Ana es el triple que la de Jaime, entonces la edad actual de Ana es 3x.

Dentro de 15 años, la edad de Jaime será x+15 (edad actual más 15 años) y usando el mismo razonamiento, la edad de Ana será 3x + 15.

Por otro lado el problema nos dice que dentro de 15 años, la edad de Ana (que ya sabemos que será 3x + 15) será igual al doble de la que tendrá su hijo en 15 años. Esto en forma de ecuación se representa:

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