Answer:
t=-30
Step-by-step explanation:
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Answer:
1st angle = 30
2nd angle = 60
3rd angle = 90
Step-by-step explanation:
- let ,1st angle be x , 2nd angle be 2x and 3rd angle be 3x
- x+2x +3x =180
- 6X =180
- x =180/6
- x =30
Replace x with 3 and y with 6 and see which equation is true.
A) y = 7x - 15
6 = 7(3) - 15
6 = 21 - 15
6 = 6
The point (3, 6) makes the first equation true, so the answer is A). Point (3, 6) does not make any other choice a true equation. Answer is definitely A).
Good job!
No I dont but I heard of it
