Answer:
16.2
Step-by-step explanation:
Add the numbers together
Answer:
20
Step-by-step explanation:
The angles are vertical angles which means they are equal
60 = 2x+20
Subtract 20 from each side
60-20 = 2x+20-20
40 =2x
Divide by 2
40/2 = 2x/2
20 =x
Answer:
Step-by-step explanation:
Putting value of y = 5
4(5)2 - 7(5) - 6
4(25) - 35 - 6
100 - 41
59
First exercise:
Two points are collinear if they lie on the same line. So, option A is correct, because I, H and G all lie on the same line.
Second exercise:
Opposite rays start from the same point and go in two opposite direction. So, Option B is correct, because the rays defined by the other options always have a point in common, so they actually are opposite rays. Also, YW and YX are the same ray, because they start from the same point and continue in the same direction.
