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Maksim231197 [3]
3 years ago
7

(9 x 10 ^10) - ( 4x10^10)

Mathematics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

5 * 10^10

Step-by-step explanation:

that's it bro. learn how to do it. then you won't need brainly anymore foo'.

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Bas_tet [7]

Answer:

Step-by-step explanation:

4 0
3 years ago
Will give brainliest
Ostrovityanka [42]

\displaystyle\\\sum_{n=1}^7(4n+2)

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3 years ago
How do I solve this math problem?<br><br> M <br> — = -3 <br> 4
harina [27]

-12

Step-by-step explanation:

We know 12 divided by 4 is 3 so the same is so in the negatives

6 0
2 years ago
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Help me please I got to finish it
Scorpion4ik [409]

Answer:

\frac{52}{63}

4 0
2 years ago
Para reformar la cocina de su caja Berta compro la semana pasada 2 cajas de plaquetas para el suelo y 4 de azulejos para la pare
Anvisha [2.4K]

Answer:

Caja de plaquetas = x = 30 €

Caja de azulejos = y = 35 €

Step-by-step explanation:

Deje que el costo de

Caja de plaquetas = x

Cuadro de mosaico = y

Por Berta

Para reformar su cocina, Berta compró la semana pasada 2 cajas de baldosas de plaquetas para el suelo y 4 cajas de baldosas para la pared por 200 €.

2x + 4y = 200 ...... Ecuación 1

Hoy

Hoy compré 2 cajas más de plaquetas y otras 2 de tejas por 130 €.

2x + 2y = 130 ..... Ecuación 2

Resolvemos usando el método de Eliminación

2x + 4y = 200 ...... Ecuación 1

2x + 2y = 130 ..... Ecuación 2

Restar la ecuación 2 de 1

2 años = 70

y = 70/2

y = 35 €

Resolviendo para x

2x + 4y = 200 ...... Ecuación 1.

2x + 4 × 35 = 200

2x + 140 = 200

2x = 200 - 140

2x = 60

x = 60/2

x = 30 €

el costo de

Caja de plaquetas = x = 30 €

Caja de azulejos = y = 35 €

6 0
2 years ago
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