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Natasha_Volkova [10]
3 years ago
10

Lindsay needs a jewelr To repair her earrings jewelry is offering her services for an initial $125 in addition to $15 per hour j

ewelry is offering a service for initial $140 in addition to $12 per hour when will the two jewelers charge
the same amount of money
Mathematics
1 answer:
FinnZ [79.3K]3 years ago
4 0
They charge the same amount in 5 hours.
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F(x)=-x^3-x^2+1 what is f(-1)
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What is the answer to this question?
MrRa [10]

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Step-by-step explanation:

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Wewaii [24]

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Se vendieron un total de 430 boletos para la obra de teatro escolar. Los boletos eran o de adulto o de estudiante. Se vendieron
BartSMP [9]

Resolviendo un sistema de ecuaciones, veremos que se vendieron 250 boletos de adulto.

<h3>¿Cuántos boletos de adulto fueron vendidos?</h3>

Definamos las variables:

  • x = boletos de adulto vendidos.
  • y = boletos de estudiantes vendidos.

Se vendieron un total de 430 boletos, entonces:

x + y = 430

Y se vendieron 70 boletos de estudiante menos que boletos de adulto:

y = x - 70

Tenemos el sistema de ecuaciones:

x + y = 430

y = x - 70

Para resolverlo, podemos reemplazar la segunda ecuación en la primera:

x + y = 430

x + (x - 70) = 430

2x = 430 + 70 = 500

x = 500/2 = 250

Se vendieron 250 boletos de adulto.

Sí quieres aprender más sobre sistemas de ecuaciones:

brainly.com/question/13729904

#SPJ1

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2 years ago
Rafael reads 3/4 chapters in 4/5 hours
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I do not know the full question being asked, but if he reads 3/4 chapters in 4/5 hours, he would read 6/4 chapters, or 1 1/2 chapters in 1 3/5 hours.

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3 years ago
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