Simplify: 12÷12(4−6) A. 2 B. -2 C. 1 D. - 0.5

2 answers:

ioda3 years ago

7 0

<span>12 ÷ 12(4 − 6)

Using BODMAS or PEDMAS (depending upon which part of the world you live),

</span><span>12 ÷ 12(4 − 6)

= 12 </span>÷ (12 × -2)

= 12 ÷ (-24)

= $\frac{12}{-24} = \frac{1}{-2} = - \frac{1}{2}$

= -0.5

Hence, the answer is D.

Marina86 [1]3 years ago

6 0

12÷(-24)
-1/2
-0.5

hope this helps u

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$y+4 = -\frac{1}{3} (x-1)$

Step-by-step explanation:

1) First, find the slope of the line. Use the slope formula $m = \frac{y_2-y_1}{x_2-x_1}$ to find the slope. Substitute the x and y values of the given points into the formula and solve:

$m = \frac{(-5)-(-4)}{(4)-(1)} \\m = \frac{-5+4}{4-1} \\m = \frac{-1}{3}$

So, the slope is $-\frac{1}{3}$ .

2) Use the point-slope formula $y-y_1 = m (x-x_1)$ to write the equation of the line in point-slope form. Substitute values for $m$ , $x_1$ , and $y_1$ into the formula.

Since $m$ represents the slope, substitute $-\frac{1}{3}$ in its place. Since $x_1$ and $y_1$ represent the x and y values of one point on the line, choose any one of the given points (it doesn't matter which one) and substitute the x and y values of it into the formula. (I chose (1,-4), as seen below). This gives the equation of the line in point-slope form.

$y-(-4) = -\frac{1}{3} (x-(1))\\y+4 = -\frac{1}{3} (x-1)$