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elena-14-01-66 [18.8K]
3 years ago
9

Which point would map onto itself after a reflection across the line y = –x?

Mathematics
1 answer:
Leona [35]3 years ago
3 0
Is this what you meant? 

<span>Which point would map onto itself after a reflection across the line y = –x?

(–4, –4)
(–4, 0)
(0, –4)</span>
(4, –4)
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Enter the range of values for x:<br> B<br> 15<br> 2x - 10<br> С<br> 48°<br> A<br> 18<br> [?] Enter
SOVA2 [1]
<h3>Answer:   5 < x < 29</h3>

=========================================

Explanation:

Since AB is smaller than AD, this must mean the angle ACB is smaller than angle ACD. Note how these angles are opposite the sides mentioned.

So 2x-10 < 48

At the same time, 2x-10 is also larger than 0.

Overall, we can say 0 < 2x-10 < 48

---------

Let's solve for x

0 < 2x-10 < 48

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10/2 < x < 58/2 ..... divide all sides by 2

5 < x < 29

8 0
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When we subtract Max's age from Lenny's age we obtain  3x-x

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3x-x=24

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I just need help with #16 … can someone please help me
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