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lisov135 [29]
3 years ago
8

What is -14x+28+6x=-44 and show your work pls and thankyou.

Mathematics
2 answers:
Fed [463]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

-14x+28+6x=-44

-8x+28=-44

-8x= -16

x=2

sdas [7]3 years ago
4 0

combine like terms

-8x+28 = -44

subtract 28 from both sides

-8x = -72

divide both sides by -8

x = 9

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Ayuda necesitó esto lo mas pronto posible :cc
matrenka [14]

Answer:

La densidad del líquido desconocido es de aproximadamente 0,6855 g/ml.

Step-by-step explanation:

Los parámetros dados son;

La masa del recipiente vacío = 38,52 g

La masa total del recipiente cuando está lleno de agua = 137,26 g

La masa total del recipiente cuando se llena con el líquido desconocido = 106.21 g

Por lo tanto;

La masa del agua = La masa total del recipiente cuando está lleno de agua - La masa del recipiente vacío

La masa del agua = 137,26 g - 38,52 g = 98,74 g

La masa del líquido desconocido = 106,21 g - 38,52 g = 67,69 g

La gravedad específica del líquido desconocido = (La densidad de la sustancia desconocida) / (La densidad del agua)

De lo que tenemos;

La gravedad específica del líquido desconocido = (La masa del líquido desconocido) / (La masa de un volumen igual de agua)

∴ La gravedad específica del líquido desconocido = (67,69 g) / (98,74 g) ≈ 0,6855

De la ecuación, gravedad específica = (La densidad del líquido desconocido) / (La densidad del agua) y la densidad del agua = 1 g / ml, tenemos;

gravedad específica ≈ 0.6855 = (La densidad del líquido desconocido) / (1 g / ml)

La densidad del líquido desconocido ≈ 0.6855 × 1 g / ml ≈ 0.6855 g / ml

La densidad del líquido desconocido ≈ 0,6855 g / ml.

4 0
3 years ago
The area of a triangle is 299 square centimeters. The length of the base is 46 centimeters. What is the height of the triangle?
k0ka [10]
$$\begin{matrix}
299=\frac{1}{2}\left(46\right)h\\\\\frac{1}{2}\left(46\right)h=299\\\\23h=299\\\\\frac{23h}{23}=\frac{299}{23}\\\\h=13\\\\h=\mathbf{13cm}
\end{matrix}$$
7 0
3 years ago
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Answer:

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Step-by-step explanation:

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4 years ago
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alekssr [168]
36\frac{36}{7} = 5.14
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3 years ago
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