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kupik [55]
3 years ago
12

Figure ABCD is rotated clockwise about the origin through 90°. Identify the coordinates for the given figure after 90° rotation

about the origin.​

Mathematics
2 answers:
nydimaria [60]3 years ago
8 0

Answer:

D[3, 3], C[1, 4], B[0, 1], A[4, -1]

Step-by-step explanation:

Whenever you are doing a 90° clockwise rotation ABOUT THE ORIGIN, it is in the form of [<em>y</em><em>,</em><em> </em><em>-</em><em>x</em>], meaning you take the <em>y</em><em> </em>and make it your <em>x</em><em>,</em><em> </em>then take your original <em>x</em><em> </em>and put its OPPOSITE.

90° counterclockwise rotation → [<em>-y, x</em>]

90° clockwise rotation → [<em>y, -x</em>]

I hope this helps, and as always, I am joyous to assist anyone at any time.

zvonat [6]3 years ago
7 0

that's a hard one there

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Hello, happy Friday, I am just here with some geometry questions.
Genrish500 [490]

Answer:

x=4

Step-by-step explanation:

By the Triangle Proportionality Theorem:

\displaystyle \frac{x}{12}=\frac{x+1}{15}

By cross-multiplication:

\displaystyle 12(x+1)=15(x)

Distribute:

12x+12=15x

Subtract 12x from both sides:

12=3x

Hence:

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5 0
3 years ago
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3 (5р — 3) = 5 (p — 1)
Akimi4 [234]

Answer:

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Step-by-step explanation:

i expanded the brackets I think this is correct if you wanted to expand it

8 0
3 years ago
. If covering 11 km the wheel of a cart makes 5000 revolutions. Find the radius of the<br> circle.
Nataliya [291]

The radius of the circle is 35 cm

Step-by-step explanation:

One revolution of the wheel of a cart = the length of the circumference of the wheel

Let the radius of the wheel be r cm

The circumference = 2 X pi X r

In 5000 revolutions the wheel covers 2 X pi X r X 5000 cm

According to the problem,

2 X pi X r X 5000 = 11 X 1000 X 100

or, pi X r = (11 X 1000 X 100)/(2 X 5000)

or, r = 110 / pi

or, r = (110 X 7)/22

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Here is the answer.

7 0
3 years ago
A 12-ft ladder leaning against a house makes a 64 degree angle with the ground. Will the ladder reach a window sill that is 10.5
Luba_88 [7]

Answer:

Yes, it will

Step-by-step explanation:

Given

Length of Ladder = 12 ft

Angle = 64

Required

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See attachment for proper illustration.

<em>From the attachment, we want to determine that x be greater than 10.5</em>

Using sin formula:

Sin\ 64 = \frac{x}{12}

Multiply through by 12

x = 12 * sin\ 64

x = 12 * 0.8988

x = 10.79 (Approximated)

<em>Since 10.79 is greater than 10.5, then the ladder will reach the window</em>

sin64 = x/12

x = 12* sin64

5 0
3 years ago
What is 2 thirds divided by one half? 
erastovalidia [21]
Its 2/3 divided in half. 
It's 1/3 Im pretty sure 

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3 years ago
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