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Setler [38]
2 years ago
6

the vertex of a triangle is located at (-2,3). it is rotated 90 degrees clockwise about the origin. what is the new y- coordinat

e of the vertex?
Mathematics
1 answer:
irina1246 [14]2 years ago
5 0

Answer:

90° clockwise rotation rule (about the origin)  for a point

Step-by-step explanation:

(x , y)  →   (y, -x)

Swap x and y......change the  sign on x

Can you take it  from here   ???

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The perimeter of a rectangle swimming pool is 160 feet. The length of the swimming pool is four times its width . Find the dimen
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Formula for Perimeter of Rectangle:

P = 2(L + W)

Plug in 160:

160 = 2(L + W)

L = 4W
<span>So we can plug in '4W' for 'L' in the first equation.</span>
<span>160 = 2(L + W)

160 = 2(4W + W)

Combine like terms:

160 = 2(5W)

160 = 10W

Divide 10 to both sides:

W = 16

Now we can plug this back into any of the two equations to find the length.

L = 4W

L = 4(16)

L = 64

So the width is 16, and the length is 64.</span>
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Answer:

4.4

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Answer:

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Step-by-step explanation:

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