3 years ago

Simplify the algebraic expression 6•4-12÷2+3(x-5)

Mathematics

1 answer:

frutty [35]3 years ago

6 0

Answer:

9(x-5)

Step-by-step explanation:

- First multiply 6 and 4

-Then subtract by 12

-Add 3

-Leave the variable and number that are in paranthese

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Step-by-step explanation:

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3 years ago

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Natalija [7]

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Step-by-step explanation:

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3 years ago

The focus of a parabola is located at (0,–2). The directrix of the parabola is represented by y = 2. Which equation represents t

Archy [21]

Answer:

$\boxed{x^2=-8y}$

Step-by-step explanation:

$(a,b)\ is \ the\ focus\\y=k\ is \ the\ directrice\\\\Formula\ to\ use:\ y=\dfrac{(x-a)^2}{2(b-k)} +\dfrac{b+k}{2} \\\\Here: \ a=0,\ b=-2, \ k=2\\\\y=\dfrac{(x-0)^2}{2(-2-2)} +\dfrac{-2+2}{2} \\\\so\ y=-\dfrac{x^2}{8} \\\\or\ x^2=-8y$

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3 years ago

Simplify the algebraic expression 6•4-12÷2+3(x-5)​

Simplify the algebraic expression 6•4-12÷2+3(x-5)