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34kurt
3 years ago
14

THIS IS A TEST AND I REALLY NEED HELP SO CAN YALL HELP ME ASAP

Mathematics
1 answer:
Ivanshal [37]3 years ago
4 0

Step-by-step explanation:

a. x = 30° (180-70-80)

b. <FGA = 80°

c. vertical angles

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Use the linear slope formula to solve for m: 

m=(y2-y1)/(x2-x1)

using the points (-1,1) and (1,5) you can find the slope for the first interval:
 
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you can double check by using the same formula on the second interval, which is (1,5) to (3,9).

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