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algol13
3 years ago
14

Write the equation of the line that passes through the point P and is

Mathematics
1 answer:
gayaneshka [121]3 years ago
5 0
Since the lines are parallel their slopes are equal. So, the equation is y=4x+b
Now we need to find the y-intercept, which is b.
Now, Plug in point p to find b:
3=4*(-1)+b
b=3+4=7
The equation is: y=4x+7
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-28/((-12+9)-(9+12/3)+1)
Mazyrski [523]
The answer is -1.86




3 0
3 years ago
Fine the measure of the angle formed by the radius and the side of a regular dodecagon.
Elden [556K]

Answer:

Option D.75°

Step-by-step explanation:

we know that

The sum of the interior angles of a regular dodecagon is equal to

S=(n-2)*180

where

n is the number of sides

In this problem

n=12 sides

substitute

S=(12-2)*180

S=1,800\°

Find the measure of each interior angle

Divide the sum of the interior angles by the number of sides

1,800\°/12=150\°

The measure of the angle formed by the radius and the side of a regular dodecagon is half the measure of the interior angle

therefore

150\°/2=75\°

3 0
3 years ago
Given the function rule f(x)=x2-4x+3 what is the output of f(-3)
Mariana [72]
(-3)^2 -4(-3) + 3

9 + 12 + 3

So the answer is 24
3 0
3 years ago
Factoring by grouping<br><br> x^2 + 4y + 2x + 2xy<br> pls explain with work too!!!
Gennadij [26K]

{x}^{2}  + 4y + 2x + 2xy

We can factorise this expression by grouping. First let us arrange it in this way

=  {x}^{2}  + 2xy + 2x + 4y

Let us bracket them like this:

= ( {x}^{2}  + 2xy) + (2x+ 4y)

In the first bracket portion, take x as common and in the second expression, take 2 as common.

= x(x + 2y) + 2(x + 2y) \\  = (x + 2)(x + 2y)

<u>Answer</u><u>:</u>

(x + 2)(x + 2y)

Hope you could understand.

If you have any query, feel free to ask.

7 0
2 years ago
Read 2 more answers
What is the slope of the line represented by the equation y = –1/2x+1/4?
max2010maxim [7]

Answer:

A. -½

Step-by-step explanation:

In the Slope-Intercept Formula, <em>y = mx + b</em><em>,</em><em> </em><em>m</em><em> </em>represents the <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>], so in this case, the slope is -½.

I am joyous to assist you anytime.

7 0
3 years ago
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