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Evgen [1.6K]
3 years ago
6

What is the value of the expression 1/2 - ( - 1/3 + 2/5 ) ?

Mathematics
1 answer:
katrin [286]3 years ago
5 0

Answer: B) 13/30

Step-by-step explanation:

1/2-(-1/3 + 2/5)

1/2-(-5/15 + 6/15)

1/2-(l/15)

15/30-(2/30)

13/30

Hope this helps!

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Deborah has two paintings in her portfolio and paints three more each week.Kai has twelve paintings in her portfolio and paints
elena-14-01-66 [18.8K]
Well, we can set up these equations like this-
Deborah- 2+3w
Kai- 12+2w
w=number of weeks that pass
Now, we set them equal to each other:
2+3w=12+2w

Solve for w
2-12=2w-3w
-10 = -1w
w = 10
10 weeks. Hope this helped!
4 0
3 years ago
El rectángulo mostrado en la derecha tiene una anchura de (x+2) y una altura de (2x+1)
kirill115 [55]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
What is the main intent of this report? to explain the services of Fast Pax to convince people to ship using Fast Pax to convinc
AleksAgata [21]

The third option is the answer

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
La empresa los manzanas exporta manzanas o varios paises del mundo, el lunes tiene que trasladar 300 cajones. Puede contratar ca
Mariulka [41]

Answer:

Para trasladar 300 cajones, las dos opciones cuestan los mismo. Son indiferentes entre si.

Step-by-step explanation:

<u>Dada la siguiente información:</u>

<u></u>

Cantidad de cajones= 300

Opción A:

Camiones con capacidad para 50 cajones que cobran 150 por viaje.

Cantidad de camiones= 300/50= 6

Opción B:

Camiones con capacidad de 60 cajones por 180 por viaje.

Cantidad de camiones= 300/60= 5

<u>Debemos calcular el costo total de cada opción y elegir la de menor costo.</u>

Costo total A= 150*6= $900

Costo total B=180*5= $900

Para trasladar 300 cajones, las dos opciones cuestan los mismo. Son indiferentes entre si.

5 0
2 years ago
What does this equal
docker41 [41]

Answer:

I think it is 9

Step-by-step explanation:

3×3 is 9 + 15= 24÷4=3×3=9

8 0
3 years ago
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