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kirill115 [55]
3 years ago
12

What is the equation of the line in slope-intercept form?

Mathematics
1 answer:
lina2011 [118]3 years ago
6 0

Answer:

The answer to the question provided is y = x - 4.

,

Step-by-step explanation:

☆Remember: slope =  \frac{rise}{run}

▪Happy To Help <3

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A skateboard is originally priced at $130. The online retailer gives a discount and the skateboard is now priced at $78. Enter t
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Answer:40%

Step-by-step explanation:

3 0
3 years ago
Explain the rule in solving inequalities with a negative coefficient.
dimulka [17.4K]

Answer:

  the comparison must be reversed when multiplying by a negative

Step-by-step explanation:

The rules of equality apply to solving inequalities, with the exception that multiplication or division by a negative number reverses the sense of the comparison:

  -x > 1

  x < -1 . . . . . multiply both sides by -1

____

Effectively, multiplication (or division) by a negative number is equivalent to reflection across the origin. Things that were ordered left/right (on the number line) are ordered right/left after such a reflection:

  -2 < -1

  1 < 2

_____

<em>Additional comment</em>

Application of any function requires that you pay attention to ordering. Some functions naturally reverse the order; others do so only on specific domains.

Consider f(x) = 1/x.

  1 < 2

  f(1) > f(2) . . . . because the slope of the f(x) function is negative everywhere.

__

<em>In the first and second quadrants</em>, the cosine function also reverses order.

  20° > 10°

  cos(20°) < cos(10°)

__

Probably the most commonly encountered function used with inequalities is the absolute value function.

  |x-3| > 2

This function has one domain where the slope is negative, and another domain where the slope is positive.

  For x < 3, the function negates its argument, so we have ...

     -(x -3) > 2

     -x +3 > 2

     -x > -1

     x < 1 . . . . . everywhere consistent with x < 3

  For x ≥ 3, the function does nothing, so we have ...

     x -3 > 2

     x > 5

  The solution to this absolute value inequality is (x < 1) ∪ (x > 5).

__

You can also resolve negative coefficients by adding the opposite. Addition and subtraction never require any change to the comparison operator.

  -x > 1

  0 > x +1 . . . . x is added

  -1 > x . . . . . . -1 is added

7 0
3 years ago
In parallelogram abcd what is dc?
MatroZZZ [7]
Dc is a side of the parallelogram
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3 years ago
Use algebra tiles to solve 6x + 2 = 8​
arsen [322]

Answer: answer is 1

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3 years ago
Cinco amigos van al cine. La entrada cuesta 4,50$ dos no tienen dinero y los otros tres deciden invitarles ¿Cuanto dinero tiene
Dmitry_Shevchenko [17]

Answer:

Costo  unitario= $3

Step-by-step explanation:

Dada la siguiente información:

Entrada= $4.5

Cantidad de entradas de más= 2

Cantidad de amigos que pagan= 3

<u>Primero debemos calcular el total a pagas de más:</u>

Total a pagar de más= 2*4.5= $9

<u>Ahora, cuánto debe pagar cada uno:</u>

<u />

Costo unitario= costo total / cantidad de personas

Costo unitario= 9/3

Costo  unitario= $3

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3 years ago
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