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serg [7]
3 years ago
11

(4x-2) • 6(2x+7) what is this in standard form

Mathematics
2 answers:
sasho [114]3 years ago
6 0
Well im using  desmos graphing calculator and i got -3.5, 0 and 0.5,0
Arada [10]3 years ago
3 0
(4x - 2) · 6(2x + 7)
(6x - 2) · 6(2x) + 6(7)
(6x - 2)(12x + 42)
72x² + 252x - 24x - 84
72x² + 228x - 84
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Ok, this looks a lot harder than it is. Either way, a calculator/computer can work miracles. Have a good day!!
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1. La suma de dos números es 115. El número mayor es dos veces más 22 unidades que el otro. Hallar
Lerok [7]

De acuerdo con un sistema de ecuaciones, tiene-se que los números son 31 y 84.

----------------

  • En el sistema de ecuaciones, tiene-se que los números son x e y.
  • Suma de 115, o sea, x + y = 115
  • <u>El número mayor es dos veces más 22 unidades que el otro</u>, o sea, x = 2y + 22

----------------

Primero se encuenta el número menor, <u>reemplazando la segunda ecuación en la primera:</u>

x + y = 115

2y + 22 + y = 115

3y = 93

y = \frac{93}{3}

y = 31

----------------

El número mayor es dado en <u>función de el menor</u>, o sea:

x = 2y + 22 = 2(31) + 22 = 62 + 22 = 84

Los números son 31 y 84.

Otro problema resuelto por sistema de ecuaciones es dado en brainly.com/question/24637096

6 0
3 years ago
Write the domain and range of the graph below…
saveliy_v [14]

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Range:-4 is less then Y is less then 9. Domain: -5 is less then x is less then 4

Step-by-step explanation:

Look at where the lines end. That will help you find where the domain and ranges are.

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1 hour a mile

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