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2 years ago

Which transformation gives the same result as a reflection over the x-axis followed by a reflection over the y-axis?

Mathematics

1 answer:

sergiy2304 [10]2 years ago

8 0

Answer:

Translation

Step-by-step explanation:

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The end points of one side of a regular pentagon are (-1,4) and (2,3). What is the perimeter of the pentagon?

marissa [1.9K]

To determine the perimeter of the pentagon, you must first calculate a side length of it. Let's name the coordinates A(-1,4) and B(2,3).

To figure out how far the points are from each other, you have to use the distance formula:
$D_{AB} = \sqrt{( x_{2}-x_{1})^2+{(y_{2}-y_{1})^2}
$
$x_{1} =1, x_{2} =-2, y_{1} =2, y_{2} =3$
$D_{AB}= \sqrt{(2--1)^2+{(3-4)^2}$
D_{AB}= \sqrt{(2--1)^2+{(3-4)^2}
$D_{AB}= \sqrt{(2+1)^2+{(3-4)^2}$
$D_{AB}= \sqrt{(3)^2+(-1)^2}$
$D_{AB}= \sqrt{9+1}$
$D_{AB}= \sqrt{10}$

Now, the formula for the perimeter of a pentagon is
P = 5×side length

So...
Perimeter = 5× $\sqrt{10}$

The answer is (2)

8 0

2 years ago

What is the absolute value of point P on the number line? A number line ranging from negative two to two, with intervals of one-

V125BC [204]

The absolute value is always positive:
For example, the absolute value of -5: | - 5 | = 5 and also the absolute value of 5 : | 5 | = 5
P = - 1 1/4
The absolute value of point P.
| P | = | - 1 1/4 | = 1 1/4

4 0

3 years ago

28 students are in Ms.Whitfield's class. 22 students passed their recent test. What percentage passed the test? Answer to the ne

nirvana33 [79]

22/28 converted to a percentage is 78.6%. (rounded to the nearest tenth)

78.6% of the class passed the test.

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✉️ If any further questions, inbox me! ✉️

3 0

2 years ago

Read 2 more answers

to train for a race, you plan to run 1 mile the first week and double the number of miles each week for five weeks. How many mil

SashulF [63]

Answer:

16 Miles

Step-by-step explanation:

For every week you simply multiply the number of miles from the previous week by 2, therefore

Week 1: 1

Week 2: 2

Week 3: 4

Week 4: 8

Week 5: 16

3 0

2 years ago

X3 - 3x^2- 54x + 112

Olegator [25]

Answer:

(x -2) (x- 8) (x+7)

Step-by-step explanation:

6 0

2 years ago