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3 years ago

Which of the following is a true statement?

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

4 0

Answer:

The opposite of 45 is equal to the absolute value of -45.

Absolute value means switching to to a negative if it's a positive and if it's a negative to a positive. For 0, it remains 0 and doesn't switch to a -/+.

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the equation of line cd is y = 3x − 3. write an equation of a line perpendicular to line cd in slope-intercept form that contain

liberstina [14]

Answer:

The required equation is $y=-\frac{1}{3}x+2$ .

Step-by-step explanation:

The equation of line cd is

$y=3x-3$

Slope intercept form of a line is

$y=mx+b$

Where, m is slope and b is y-intercept.

Slope of line cd is 3.

The product of slopes of two perpendicular lines is -1.

$m_1\times m_2=-1$

$3\times m_2=-1$

$m_2=-\frac{1}{3}$

Therefore slope of perpendicular line is $-\frac{1}{3}$ .

Point slope form of a line is

$y-y_1=m(x-x_1)$

Slope of perpendicular line is $-\frac{1}{3}$ and line passing through the point (3,1).

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

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

$y=-\frac{1}{3}x+2$

Therefore the required equation is $y=-\frac{1}{3}x+2$ .

4 0

3 years ago

Read 2 more answers

I need some Help please!?

Nadya [2.5K]

Hello! :))

So all you have to do is <em>add</em> the <em>numerator</em> to get a total of 4/5.

Hope this helps!!

6 0

2 years ago

Read 2 more answers

Can you simplify this?

Brilliant_brown [7]

144 - 12g^2.

Because we don't know the value of g, there's nothing else we can do.

8 0

3 years ago

Can someone please help me with this ?

natulia [17]

13. 1,6

18. -15,12

19. -7, 1/2

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3 years ago

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storchak [24]

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3 years ago