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Bess [88]
4 years ago
7

Which of the following is the equation of a vertical line

Mathematics
1 answer:
Charra [1.4K]4 years ago
4 0
The correct answer is D!!
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Simple answers please
charle [14.2K]

Answer:

  • A'(4, -4)
  • B'(0, -3)
  • C'(2, -1)
  • D'(3, -2)

Step-by-step explanation:

The coordinate transformation for a 270° clockwise rotation is the same as for a 90° counterclockwise rotation:

  (x, y) ⇒ (-y, x)

The rotated points are ...

  A(-4, -4) ⇒ A'(4, -4)

  B(-3, 0) ⇒ B'(0, -3)

  C(-1, -2) ⇒ C'(2, -1)

  D(-2, -3) ⇒ D'(3, -2)

_____

<em>Additional comment</em>

To derive and/or remember these transformations, it might be useful to consider where a point came from when it ends up on the x- or y-axis.

A point must have come from the -y axis if rotating it 270° CW makes it end up on the +x-axis. A point must have come from the x-axis if rotating it 270° makes it end up on the +y axis. That is why we write ...

  (x, y) ⇒ (-y, x) . . . . . . the new x came from -y; the new y came from x

4 0
3 years ago
An international company has 25,800 employees in one country. If this represents 31.1% of the companies employees, how many empl
aksik [14]

Answer:

Rounded to the nearest integer, the company has a total of 82,958 employees.

Step-by-step explanation:

Given that an international company has 25,800 employees in one country, if this represents 31.1% of the companies employees, to determine how many employees does it have in total, the following calculation must be performed:

31.1 = 25,800

100 = X

100 x 25,800 / 31.1 = X

2,580,000 / 31.1 = X

82,958.1 = X

Thus, rounded to the nearest integer, the company has a total of 82,958 employees.

3 0
3 years ago
What’s the correct answer for this?
dybincka [34]

Answer:

(A)

Step-by-step explanation:

Using the formula :

Area = 1/2 [-1(1 - 6) -7(6 - 1) -3(1 - 1)]

Area = 1/2 [5 - 35]

Area = 1/2 × -30 = |-15| = 15 units²

5 0
3 years ago
Express jenny’s age in terms of a if jenny is three years less than half of Anne’s age.
hram777 [196]

Answer:

If Anne’s age is represented by the variable a then express Jenny’s age in terms of a if Jenny is three years less than half of Anne’s age

5 0
3 years ago
You want to buy a new bike, and your parents will contribute $32.50 toward the cost of the bike. If the most expensive bike is $
asambeis [7]

Answer:

They the answernis 17.50 fam


Step-by-step explanation:


4 0
3 years ago
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