It's the first one. y = 3x
proportional means they are just some multiple of the other.
Answer:
May be the second one
Step-by-step explanation:
hope it'll help ☺️
Answer:
3 + 15 =
18
Step-by-step explanation:
0.5 x 6 =3
3 x 5 = 15
Answer:
a = 49°
Explanation:
You use the rule ‘exterior angle of a triangle’ which states that the exterior angle is equal to the sum of the two opposite interior angles.
To put it mathematically:
a + a = a + 49° (Ext angles of triangle)
a = a - a + 49°
a = 49°
1. C
2. B,C,E
Hope that helps.