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zhenek [66]
3 years ago
10

If two perpendicular then they intersect to form _____angles.

Mathematics
1 answer:
muminat3 years ago
4 0

right angles or 90º angles

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(a+2b)² ?????????????????????<br>​
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Answer:

a² + 4ab + 4b²

Step-by-step explanation:

Given

(a + 2b)²

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When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x).

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Factor completely<br> 6z^4 - 14z^3- 40z^2
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