Step-by-step explanation:
- 9x-3=60°{each angle of equilateral triangle is 60°}
- 9x=60+3
- x=63/9
- x=7
so,
hope it helps.
Answer:
Please see attached picture for full solution.
Sorry, I'm not sure how to do Q7 :(
Answer:
Yes
Step-by-step explanation:
B is a subset of A because if A= {0,1,2,3,4} and B= {1,2} B is a part of A and B is a smaller version of A
Don't know if this helps but this is how I learned subsets.
621,864
Since the 4 is a smaller digit than a 5, the 6 in the tens place would stay the same while the 4 would become a 0.