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4 years ago

8

What is the negative of -1/3 and why??

2 answers:

VladimirAG [237]4 years ago

6 0

<u> $- (\frac{-1}{3}) = \frac{1}{3}$ </u>

Thus, the negative of negative 1/3 is 1/3. <u />

11111nata11111 [884]4 years ago

5 0

The negative sign is shorthand symbol for "opposite". So the answer is the opposite of -1/3 = 1/3. This is because it is a value of the same distance from zero on a line scale where zero represents the origin. Imagine a horizontal line (as this scale) where the middle of the line is a point equal to zero. This line extends infinitely to the left and infinitely to the right. -1/3 lies to the left of zero a magnitude of 1/3. And positive 1/3 lies to the right of zero the same magnitude but on the opposite side(to the right). Hope that helps.

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vesna_86 [32]

Answer:

$y=-\frac{1}{9}x-\frac{5}{9}$

Step-by-step explanation:

$(-14,1)(13,-2)$

Use the slope-intercept formula:

$y=mx+b$

m is the slope and b is the y-intercept. Use the slope formula first:

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}} =\frac{rise}{run}$

Rise over run is the change in the y-axis over the change in the x-axis. Plug in the coordinates:

$(-14(x_{1}),1(y_{1}))\\(13(x_{2}),-2(y_{2}))$

$\frac{-2-1}{13-(-14)}$

Simplify parentheses (two negatives makes a positive):

$\frac{-2-1}{13+14}$

Simplify:

$\frac{-3}{27} =-\frac{3}{27}=-\frac{1}{9}$

The slope is $-\frac{1}{9}$ . Insert into the equation:

$y=-\frac{1}{9}x +b$

Now, to find the y-intercept, take one of the points and substitute for the x and y values of the equation:

$(13,-2)\\-2=-\frac{1}{9} (13)+b$

Solve for b, the y-intercept. Simplify parentheses:

$-\frac{1}{9}*\frac{13}{1}=-\frac{13}{9}$

$-2=-\frac{13}{9} +b$

Add $-\frac{13}{9}$ to both sides:

$-2+\frac{13}{9}=-\frac{13}{9} +\frac{13}{9} +b\\\\-2+\frac{13}{9} =b$

Simplify:

$-\frac{2}{1} +\frac{13}{9}\\\\-\frac{18}{9}+\frac{13}{9}\\ \\b=-\frac{5}{9}$

The y-intercept is $-\frac{5}{9}$ . Insert this into the equation:

$y=-\frac{1}{9} x-\frac{5}{9}$

Finito.

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Ostrovityanka [42]

Answer:

$7.39

Step-by-step explanation:

Let the initial price be x

<u>Then the reduced price is </u>

x - 1.75

<u>If 5 mugs cost $28.20, we have equation:</u>

(x - 1.75)*5 = 28.20
x - 1.75 = 28.20/5
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x = 1.75 + 5.64
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Nitella [24]

Answer:
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marissa [1.9K]

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Answer:
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hope it helped :)

4 0

3 years ago