Solve the System of Linear Equations $$\left\{ \begin{array} { l l } x - 2 y & = 5 \\2 x - 3 y & = 10\end{array} \right.$$

question 15

Multiple Choice

Solve the system of linear equations.​ $$\left\{ \begin{array} { l l } x - 2 y & = 5 \\2 x - 3 y & = 10\end{array} \right.$$ ​

• A)​ \(( 5,10 )\)
• B)​ \(( 5,5 )\)
• C)​ \(( 10,5 )\)
• D)​ \(( 5,0 )\)
• E)​ \(( 0,5 )\)

Analyze the challenges faced by farmers and working-class families in the early nineteenth century.

Grasp the evolving attitudes towards family planning and its societal impacts.

Examine wealth distribution and the socio-economic structure of nineteenth-century America.

Understand the influence of religion, revivalism, and reform movements on societal changes.

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Definitions:

Detonator

A device used to trigger an explosion in dynamite and other high explosives, typically initiating a larger, secondary explosive charge.

Lower Explosion Limit (LEL)

The lowest concentration of a particular gas or vapor in air that can produce a flash of fire in presence of an ignition source.

Propagate

To reproduce, spread, or increase in number, often used in the context of plants (via seeds or cuttings) and ideas or information.

Upper Explosion Limit (UEL)

The highest concentration of vapor in air above which propagation of flame does not occur on contact with a source of ignition.