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MakcuM [25]
3 years ago
15

Solve the system by substitution 8y+3=x 9x-5y=-40

Mathematics
1 answer:
kompoz [17]3 years ago
7 0
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:

(-5,-1)

Equation Form:

X = -5 and Y = -1


Hope this helps :)

Have a great day!
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It would be Felix:

5/4 = 1.25

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GrogVix [38]

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3 years ago
El interior de un tanque que contiene agua, tiene una presión manométrica de 300 kPa. ¿Qué profundidad tiene el tanque de agua?
zmey [24]

Respuesta:

30,6 metros

Explicación paso a paso:

Dado :

Presión = 300 Kpa

Usando la fórmula que relaciona la presión y la profundidad:

Presión = profundidad * aceleración debida a la gravedad * densidad del agua

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Presión = 300Kpa = 300 * 10 ^ 3 Pa

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5 0
3 years ago
Which of the following absolute value equations has no solutions?Group of answer choices
Amiraneli [1.4K]

The absolute value measures the distance a number is away from the origin (zero) on the number line. A number can be to the left or right of zero on the number line, but the distance away from zero is always positive. Graphically:

In other words:

• If d is positive and

\begin{gathered} |x|=d \\ \text{ then} \\ x=d\text{ or }x=-d \end{gathered}

• If d is negative and

\begin{gathered} |x|=-d \\ \text{then} \\ \text{ No solution, because distance (d) can not be negative.} \end{gathered}

Therefore, the equation that has no solutions is:

\boldsymbol{|x|=-3}

3 0
1 year ago
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