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4 years ago

Which graph represents y=[x] over the domain -4 is less than or equal to x less than or equal to -1?

Mathematics

1 answer:

Reil [10]4 years ago

5 0

Answer:

Pendiente:

Intersección en el eje y:

Step-by-step explanation:

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What is 16 divided by X^2 equals 8 divided by X + 6?

zaharov [31]

Solve: $\frac{16}{x^{2}} = \frac{8}{x + 6}$

$\frac{16}{x^{2}} = \frac{8}{x + 6}$

$\text{Cross multiply: } 16(x + 6) = 8x^{2}$
$\text{Simplify: } 2(x + 6) = x^{2}$
$\text{Expand: } 2x + 12 = x^{2}$

$\text{Solve for x: } x^{2} - 2x - 12 = 0$

$\text{Use the quadratic equation: } x = \frac{-b \pm \sqrt{b^{2} - 4ac}}{2a}$
$x = \frac{2 \pm \sqrt{4 + 48}}{2}$
$x = \frac{2 \pm \sqrt{52}}{2}$
$x = \frac{2 \pm \sqrt{13 \cdot 4}}{2}$

$x = \frac{2 \pm 2\sqrt{13}}{2}$
$\therefore x = 1 \pm \sqrt{13}$

7 0

3 years ago

M=⅗ and y intercept is -6

ladessa [460]

Answer:

y= $\frac{3}{5}x$ -6

Step-by-step explanation:

Remember the slope-intercerpt form

y=mx+b

4 0

3 years ago

Solve and show work. 4-(6x+5)=7-2(3x+4)

luda_lava [24]

4-(6x + 5) = 7 - 2(3x + 4)
Distribute: 4 - 6x - 5 = 7 - 6x - 8
Combine like terms (constants): -1 - 6x = -1 - 6x
Add 1 to both sides: -6x = -6x
Divide both sides by -6: x = x

Hope this helps!

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3 years ago

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Ahat [919]

Answer:

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3 years ago

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