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Leya [2.2K]
3 years ago
7

Triangle QRS is dilated according to the rule DO,2 (x,y).

Mathematics
2 answers:
pogonyaev3 years ago
8 0
I found the correct image that accompanies this problem and edited it with my answers.. Pls. see attachment. 

Based on the attachment, the correct statements are:

<span>1) DO,2 (x,y) = (2x, 2y)
2) Side Q'S' lies on a line with a slope of -1.
Q'(-6,6) S'(-2,2) 
m = y1 - y2 / x1 - x2
m = 6 - 2 / -6 - (-2)
m = 4 / -4
m = -1
</span><span>5) The distance from Q' to the origin is twice the distance from Q to the origin.

</span>

Pavlova-9 [17]3 years ago
5 0

Triangle QRS is dilated according to the rule DO,2 (x,y).

What is true about the image △Q'R'S'? Check all that apply.

DO,2 (x,y) = (2x, 2y)

Side Q'S' lies on a line with a slope of -1.

QR is longer than Q'R'.

The vertices of the image are closer to the origin than those of the pre-image.

The distance from Q' to the origin is twice the distance from Q to the origin.

i am assuming the ones in bold letters are right.

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Similarly, if you buy four pens and two mechanical pencils, you spend 4p+2m, which is 8$, because now you get a $2 change. Put these equation together in a system:

\begin{cases} 6p+m=9\\4p+2m=8\end{cases}

Now, if you multiply the first equation by 2, the system becomes

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Subtract the second equation from the first:

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Then

\dfrac{115\,\rm m}t=\dfrac{5.20\frac{\rm m}{\rm s}+31.1\frac{\rm m}{\rm s}}2

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