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Alla [95]
3 years ago
13

What angle of rotation maps X to X”?

Mathematics
1 answer:
AfilCa [17]3 years ago
3 0
I believe 90 but i can be wrong
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a line is paralll yo y=4x-2 and intersects the point (5,-11). what is the equation of this parallel line
victus00 [196]

The equation of line parallel to given line is: y=4x-31

Step-by-step explanation:

Given equation of line is:

y = 4x-2

The equation of line is in slope-intercept form so the co-efficient of x is the slope of the line.

Let m1 be the slope of the given line

then

m1 = 4

Let m2 be the line that is parallel to given line

As we know that the slopes of parallel lines is equal so

m1=m2 = 4

The slope-intercept form of equation of line is:

y = m_2x+b

Putting the value of slope

y = 4x+b

to find the value of b, putting (5,-11) in the equation

-11 = 4(5) + b\\-11 = 20+b\\b = -11-20\\b = -31

Putting the value of b

y=4x-31

Hence,

The equation of line parallel to given line is: y=4x-31

Keywords: Equation of line, slope

Learn more about equation of line at:

  • brainly.com/question/3126500
  • brainly.com/question/3306327

#LearnwithBrainly

6 0
3 years ago
Lina is packing to move to a new house. She has 561 items to transfer to the new house. 36 of the items are large items that wil
Lyrx [107]

Answer: See explanation

Step-by-step explanation:

Your question isn't complete but let me give different scenarios to help you solve.

Firstly, assuming we want to calculate the amount of items left after the large items are carried alone, this will be:

= 561 - 36

= 525

Secondly, if we want to know the percentage of the large items that will be carried alone. This will be:

= 36/561 × 100.

= 6.42%

Thirdly, if you want to know the percentage of the items that will be left after the large ones have been carried alone. This will be:

= 100% - 6.42%

= 93.58%

5 0
3 years ago
Given the line below.
DerKrebs [107]
You need to find the slope of the line too. they use m to represent slope.
m   = \frac{(y2 - y1)}{x2 - x1} =  \frac{ - 2 - 2}{ - 2 - 2}  =   \frac{ - 4}{ - 4}  =  \frac{1}{1}
point slope equation is y - y1 = m(x -x1)
they said to use point (-2, -2)
y -(-2) = 1(x -(-2))
y +2 = 1(x +2)

3 0
4 years ago
(a) Sodium chlorate crystals are easy to grow in the shape of cubes by allowing a solution of water and sodium chlorate to evapo
evablogger [386]
U have to solve it then right the equation down
4 0
4 years ago
If a water pump can pump 30 liters of water per hour, how much water can it pump in 2 hours? A. 80 L B. 60 L C. 40 L D. 30 L
ollegr [7]

Answer:

B. 60L

Step-by-step explanation:

30L = 1hr

2hrs= 30×2= 60L

7 0
3 years ago
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