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FrozenT [24]
3 years ago
6

What effect will a 90-degree clockwise rotation have on the triangle? Be sure to address how it could impact the angles, side le

ngths, and any congruency between the original pre-image and the image.
PLEASE help asap thx
brainliest
Mathematics
1 answer:
77julia77 [94]3 years ago
7 0
The triangle will be rotated with the rule of (x,y) → (-y,x). The image will be congruent to the pre-image, the side lengths will be the same and the angles too.
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3 years ago
1/5x-2/3y=30 when y=15
dolphi86 [110]

Answer:

Step-by-step explanation:

<u>Step 1:  Set y to 15 and solve</u>

<u />\frac{1}{5}x - \frac{2}{3}*15=30

\frac{1}{5}x-10=30

<em>Add 10 to both sides</em>

<em />\frac{1}{5}x-10+10=30+10

\frac{1}{5}x=40

<em>Multiply both sides by 5</em>

<em />\frac{1}{5}x*\frac{5}{1}=40*\frac{5}{1}

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Answer:  x=200

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3 years ago
Which expression can be substituted for y in the top equation of the
maria [59]

Answer:

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