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EastWind [94]
3 years ago
12

Will give brainlst!!

Mathematics
1 answer:
Serhud [2]3 years ago
8 0
Answer: 2.5, 21/8, √25, pi, √19
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Solve. -1/3b = 9<br> A.-3<br> B.3<br> C.-27<br> D.27
STALIN [3.7K]
Ok so lets plug in a first -1/3(-3) would equal 9 a is the accurate  answer
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How many solutions 9x +2y =9 -3x + y=2
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Answer:

4

Step-by-step explanatio

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KIM [24]

Answer: 188+22x=518 (c)

Step-by-step explanation:

7 0
3 years ago
If f(x)=64-x2 and g(x)=8-x which is the rule of the function (f + g)(x)?
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(f+g)(x)=f(x)+g(x)\\\\&#10;(f+g)(x)=64-x^2+8-x\\&#10;(f+g)(x)=-x^2-x+72
5 0
3 years ago
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

5 0
2 years ago
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