3 years ago

How do you know if two line segments are perpendicular

Mathematics

2 answers:

avanturin [10]3 years ago

8 0

Answer:

You know if 2 line segments are perpendicular if they form a 90° angle.

It's like an L.

Vikki [24]3 years ago

5 0

Answer:

If they never cross/ intersect each other

Step-by-step explanation:

Answer

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4 divided by 1/3 is 12 becuase

Alex17521 [72]

Answer:

Step-by-step explanation:

When we divide fractions we multiply instead since it's the opposite of division and we do the reciprocal. Reciprocal means we flip the fraction from 1/3 to 3/1

So:

4÷1/3 would become 4×3/1

4×3/1 is the same as 4×3

So:

4×3=12

That's why the answer is 12.

8 0

2 years ago

Sole and check 5y + 7 = 14y + 7

mart [117]

$5y + 7 = 14y + 7 \\ \\ 5y = 14y \ / \ cancel \ 7\\ \\ 5y - 14y = 0 \ / \ terms \ to \ one \ side\\ \\ -9y = 0 \ / \ simplify \\ \\ y = 0 \ / \ divide \ by \ -9 \\ \\ CHECK \\ \\ 5y + 7 = 14y + 7 \ / \ let \ y = 0 \\ \\ 5 \times 0 + 7 = 14 \times 0 + 7 \\ \\ Answer: \fbox {y = 0}$