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3 years ago

Which rigid motion is verified below?"

Mathematics

1 answer:

scoundrel [369]3 years ago

6 0

<h3>Answer: C) Translation</h3>

This is the geometric term for "shifting" or "sliding". In this case, every point has been moved 1 unit to the right.

Translations are considered a rigid motion because the blue and black triangles are the same size and shape (ie they are congruent).

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Answer:

I think it would be c

Step-by-step explanation:

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2 years ago

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#2 - find the value of X. Write answer in simplest form.

Alekssandra [29.7K]

2 times the square root of 5 . that’s what i got .

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3 years ago

What is the reflection in the x-axis & what’s the reflection in line y=x?

marishachu [46]

Answer:

a) (3, -4), (2, 4), (-5, -6)

b) (4, 3), (-4, 2), (6, -5)

Step-by-step explanation:

a) Reflection in the x-axis negates the y-coordinate:

(x, y) ⇒ (x, -y)

(3, 4) ⇒ (3, -4)

(2, -4) ⇒ (2, 4)

(-5, 6) ⇒ (-5, -6)

b) Reflection in the line y=x swaps the x- and y-coordinates:

(x, y) ⇒ (y, x)

(3, 4) ⇒ (4, 3)

(2, -4) ⇒ (-4, 2)

(-5, 6) ⇒ (6, -5)

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3 years ago

Find the surface area of the cylinder formed by the net. Use 3.14 for π.

sineoko [7]

Answer:

138.16 square feet

Step-by-step explanation:

The surface area of the cylinder consists of one rectangle and two circles.

1. The radius of the circle is 4 ft, then the area of the circle is

$A_{circle}=\pi r^2 =\pi \cdot 4^2 =16\pi \ ft^2$

2. The width of the rectangle is 1.5 ft, the length of the rectangle is the circumference of the circle.

Find the circumference:

$C=2\pi r=2\pi \cdot 4=8\pi \ ft$

Hence,

$A_{rectangle}=1.5\cdot 8\pi =12\pi \ ft^2$

3. The surface area of the cylinder is

$SA=2A_{circle}+A_{rectangle}=\\ \\=2\cdot 16\pi +12\pi =32\pi +12\pi =44\pi \approx \\ \\\approx 44\cdot 3.14=138.16\ ft^2$

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3 years ago

23) Which graph shows a proportional relationship between x and y?

bija089 [108]

Answer:

Step-by-step explanation:

For something to be directly proportional it has to go through the origin (0,0) of the graph.

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