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kozerog [31]
3 years ago
9

What is 2/2 -+7 need friends anyone

Mathematics
1 answer:
kow [346]3 years ago
8 0

Answer:

-6

Step-by-step explanation:

2/2=1

-+7=-7

1-7=-6

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Are 4:6 and 8:10 proportional
wolverine [178]

Answer:

No, they are not.

Step-by-step explanation: can I get brainlest?

3 0
3 years ago
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Comprás 4 libras de arroz con 10$.¿Cuántos necesitas para 14 libras?​
Fofino [41]

Answer:

Alegría puede comprar 16.667 libras de arroz y 12.5 libras de azúcar con 20 pesos.

Step-by-step explanation:

Sabemos que una libra de arroz cuesta 0.60 pesos, mientras que una de azúcar cuesta 0.80 pesos. Un enfoque posible es determinar cuantas libras de arroz se obtiene por el mismo dinero para adquirir una libra de azúcar a través de una regla de tres simple:

Esto quiere decir que por cada tres libras de azúcar, se compra cuatro libras de arroz. Ahora, la cantidad de alimentos que puede comprar Alegría queda restringida al dinero disponible (20 pesos) y se describe por la siguiente ecuación:

(Ec. 1)

Donde:

- Cantidad de arroz, medida en libras.

- Cantidad de azúcar, medida en libras.

Además, la siguiente ecuación se deriva de la regla de tres del inicio del problema:

(Ec. 2)

Si aplicamos (Ec. 2) en (Ec. 1) y resolvemos la ecuación resultante, tenemos que:

De (Ec. 2) tenemos que la cantidad de arroz es:

En consecuencia, Alegría puede comprar 16.667 libras de arroz y 12.5 libras de azúcar con 20 pesos.

3 0
3 years ago
Emma uses a 250 meters roll of crepe paper to make steamers how many dekameters of crepe paper does Emma use
Ksivusya [100]
The  dekameter (or decameter) first needs to be a translated into how many the meters. deka means 10, so a dekameter it must be 10 meters. So we have to divide 250 by 10, and then we will come up with 25 dekameters.
hope that helps!!
6 0
3 years ago
Rewrite the following expression X^9/7
KonstantinChe [14]

Answer:

x\sqrt[7]{x^{2} } (D)

Step-by-step explanation:

Given: x^{\frac{9}{7} }

To find: Simplify the given expression

Solution: Simplyfying, we get,

x^{\frac{9}{7} } =x^{\frac{7}{7} +\frac{2}{7}  }

=x^{1} *x^{\frac{2}{7} } \\=x*x^{\frac{2}{7} } \\=x=\sqrt[7]{x^{2} }

Therefore, x\frac{9}{7} can be written as x\sqrt[7]{x^{2} }

5 0
2 years ago
Estimate : 1) 48% of 8 2) 3% of 119 3) 26% of 32 4) 76% of 280
zaharov [31]
1) 48% of 8=3.84 
2) 3% of 119=3.57
3) 26% of 32=8.32
4) <span>76% of 280=212.8

Hope this helps ya!</span>
7 0
3 years ago
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