Answer:
-7
Step-by-step explanation:
To find the differences in a sequence, subtract the term before:
-15 -(-8) = -7
-22 -(-15) = -7
These differences are the same, so constitute the "common" difference.
The common difference of the sequence is -7.
Answer:
Perpendicular, 1
Step-by-step explanation:
Parallel means the same slope
Perpendicular is the reciprocal and opposite sign
Let X = smallest angle
largest 3x
middle=2x. add the 3 angles of any triangle and you get ,180
x+2x+3x=180
6x=180
x= 30
smallest =30
middle=60
largest=90
Step-by-step explanation:
Hope it helps you in your learning process.
Answer:
The full answer in the media.Good luck!
