D. Definition of linear pairs.
When two angles are on a straight line, there sum equals 180 degrees. This is linear pairs.
It would be 6 out of 12 chances
Answer:
12.751
Step-by-step explanation:
13.9 - 1.149
--Subtract--
Answer:
9cm 5cm 12cm
Step-by-step explanation:
Answer:
k =-2
Step-by-step explanation:
Using the slope formula
( y2-y1)/(x2-x1) = m
( k- -1)/( -10 - -8) = 1/2
( k+1)/ ( -10+8) = 1/2
( k+1) /-2 = 1/2
Multiply each side by -2
( k+1) /-2 * -2 = 1/2 * -2
k+1 = -1
Subtract 1 from each side
k+1-1 = -1-1
k = -2
