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ArbitrLikvidat [17]
3 years ago
5

The points (-1, -3) and (2, r) lie on a line with slope 3. Find the missing coordinate r

Mathematics
1 answer:
Nataly_w [17]3 years ago
6 0

Answer:

6

Step-by-step explanation:

y+3/2+1= y+3/3

what can be divided by 3 to then equal 3? 9

9-3+6

6+3/2+1=9/3

9/3=3

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DENIUS [597]

A triangles three angles always sum up to 180 degrees. We must find angle B.

We already have angle A and C, so it's quite simple.

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Answer:

61 degrees.

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