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bixtya [17]
3 years ago
12

Bry blew 91 bubbles. Ken blew 7 bubbles. How many times as many bubbles did Bry blow?

Mathematics
1 answer:
RideAnS [48]3 years ago
7 0

Answer:

Bry blew 13 times as many bubbles as Ken.

Step-by-step explanation:

because 91/7=13

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Un padre para estimular a su hijo para estudiar matemáticas le dice: por cada ejercicio que resuelvas bien te daré 7 € y por cad
Naya [18.7K]

Answer:

8 ejercicios

Step-by-step explanation:

De acuerdo a la información dada, puedes plantear las siguientes ecuaciones:

x+y= 45 (1)

7x-1y= 19 (2)

x= ejercicios que resolvió bien

y= ejercicios que resolvió mal

Primero, puedes despejar x en (1):

x= 45-y (3)

Segundo, debes reemplazar (3) en (2):

7(45-y)-1y=19

315-7y-1y= 19

315-8y= 19

315-19= 8y

296= 8y

y= 296/8

y= 37

Tercero, debes reemplazar el valor de y en (3) para encontrar x:

x= 45-37

x= 8

De acuerdo a esto, la respuesta es que el hijo ha resuelto bien 8 ejercicios.

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3 years ago
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Elden [556K]

Answer:

y=7x-5

Step-by-step explanation:

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patriot [66]
The answer is 3y=-9x-6
7 0
3 years ago
How to solve 2 3/4 - 1 5/8
daser333 [38]

Answer:

1 1/8

Step-by-step explanation:

First, Make the first fraction into a new one with an equal denominator. (3/4 x2= 6/8)

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Lastly, add your two differences together and you get 1 1/8.

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3 years ago
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