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patriot [66]
3 years ago
10

Ill mark brainlist plss help

Mathematics
1 answer:
IgorC [24]3 years ago
4 0
222 ft jshdhdsvhssdbsh
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Graph the image of square CDEF after a reflection across the x-axis​
Rina8888 [55]

Answer:

If you have a general point (x, y), and you reflect it across the x-axis, the coordinates of the new point will be:

(x,-y)

So we only change the sign of the y-component.

Now, if we do a reflection across the x-axis of a whole figure, then we apply the reflection to all the points that make the figure.

Then, we could just apply the reflection to the vertices of the square, then graph the new vertices, and then connect them, that is equivalent to graph the image of the square after the reflection.

The original vertices are:

C = (-3, 7)

D = (0, 7)

E = (0, 10)

F = (-3, 10)

Now we apply the reflection, remember that this only changes the sign of the y-component, then the new vertices are:

C' = (-3, -7)

D' = (0, -7)

E' = (0, - 10)

F' = (0, - 10)

Now we need to graph these points and connect them to get the reflected figure, the image can be seen below.

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2 years ago
Let |u| = 10 at an angle of 45° and |v| = 13 at an angle of 150°, and w = u + v. What is the magnitude and direction angle of w?
Lubov Fominskaja [6]

Answer:

D

Step-by-step explanation:

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Pleaaaaaaaaaase i neeeeeeeeeed help please noo links i need help
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BADC

Step-by-step explanation:

-4x + 7 \geq 27  Subtract 7

-4x \geq 20  Divide both sides by -4

x \leq -5  B

3x - 10 < -25  Add 10

3x < -15  Divide by 3

x < -5  A

5(x - 2) > -15  Use distributive property

5x - 10 > -15  Add 10

5x > -5  Divide by 5

x > -1  D

x - 9 < -10  Add 9

x < -1  C

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Hello

Rational Number

Rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.

Irrational Number

Irrational numbers are numbers that cannot be expressed as the ratio of two integers.

Hope it helps you...

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Step-by-step explanation:

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