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jek_recluse [69]
4 years ago
11

X+4-3x=4+12x qual é o calculo e o resultado dessa operação

Mathematics
1 answer:
nikitadnepr [17]4 years ago
6 0
No estoy completamente seguro de lo que exactamente hay que hacer aquí, así que voy a asumir que necesita para ser resuelto, por lo que la respuesta es x = 0 y me dieron esto mediante el uso de cálculos matemáticos simples en primer lugar simplificado, reordenado el Términos, combinado los términos similares que incluyeron x + -3x = -2x 4 + -2x = 4 + 12x entonces i añadió -4 a cada lado y así sucesivamente lo explicaría todo pero su mucho lol
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Jenny's mom is 36 years old. If Jenny's great-grandmother is 90 years old, what percent of Jenny's mother's age is Jenny's great
Serjik [45]

Answer:

The age of Jenny's mom is 40 % of age of Jenny's great-grandmother.  (Input: 40)

Step-by-step explanation:

The percentage needed is calculated by the following expression:

x = \frac{n_{M}}{n_{G}}\times 100\,\%

Where:

x - Percentage of Jenny's mother with respect to Jenny's great-grandmother, measured in percentage.

n_{M} - Age of Jenny's mother, measured in years.

n_{G} - Age of Jenny's great-grandmother, measured in years.

If we know that n_{M} = 36\,yr and n_{G} = 90\,yr, the percentage is:

x = \frac{36\,yr}{90\,yr} \times 100\,\%

x = 40\,\%

The age of Jenny's mom is 40 % of age of Jenny's great-grandmother.

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