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Lemur [1.5K]
3 years ago
6

Answers for the 3 boxes please ​

Mathematics
2 answers:
puteri [66]3 years ago
7 0

Answer:

-1/7

Step-by-step explanation:

Tomtit [17]3 years ago
3 0
In order for two lines to be perpendicular, their gradients must multiply together to get -1

7*b=-1

7b=-1

Divide both sides by 7

So, the gradient of line b is -1/7
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