Can someone help me with this

Mathematics

2 answers:

vfiekz [6]3 years ago

3 0

>2 is also 40° since that is the rule of corresponding angles

german3 years ago

3 0

Answer: <2 is 40 degrees still.

Step-by-step explanation:

Both Angle 1 and Angle 2 are corresponding angles (aka Same Side Angles)

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27 is 72% of what number?

NNADVOKAT [17]

Answer:

37.5

Step-by-step explanation:

37.5 · 0.72 = 27

5 0

3 years ago

Read 2 more answers

Find inverse of f(x) = 2 + 3x / x - 2

NeX [460]

Okay so, we switch out f(x) with y - I’m sure you know this and we get y=2+3x/x-2.

Now just interchange x and y -> x=2+3y/y-2, now multiply both sides with (y-2), we get (y-2)x=2+3y.

Multiply x with the brackets, getting xy-2x=2+3y. Move 3y to the left changing it’s sign, also for -2x to the right: xy-3y=2+2x.

Factor out y from (xy-3y) and get (3-x)y=2+2x - now divide both sides by (3-x) resulting in y=2+2x/3-x .

7 0

3 years ago

Find the equation of the line that contains the point (4, - 2) and is perpendicular to the line y = - 2x + 5.

Licemer1 [7]

<h3>Answer:</h3>

y=1/2x

<h3>Solution:</h3>

The slopes of perpendicular lines are opposite reciprocals of each other.
The simplest way to determine a number's reciprocal is to flip it over, like so:
$-2 ~ - > -\displaystyle\frac{1}{2}$
Now, change the sign:
$\displaystyle\frac{1}{2}$
So we have the <em>slope </em>of the line that's <em>perpendicular </em>to the given line.
Now, let's find the line's equation.
First, let's write it in Point-Slope Form:
y-y1=m(x-x1)
y-(-2)=1/2(x-4)
y+2=1/2x-2 (Point slope)
Now, convert to slope-intercept:
y=1/2x+2-2
y=1/2x