Answer:
15
Step-by-step explanation:
-1-5=-6
21-6=15
Answer:
1. 90
2.60
3.30
4. 40
5. 80
6. 60
7. 30
8. 30
9. 120
Total for all triangles=180
Step-by-step explanation:
In all the problems, you have to solve for y. This can be done because the three angles are supplementary For example, in the first diagram, you have:
3y+2y+y=180
6y=180
y=30
It's fairly easy to solve from there. Just more multiplying and subtracting.
Answer:
2
Step-by-step explanation:
4x + 1 = 3x + 3
4x - 3x = 3 - 1
x = 2
2 x 4 + 1 = 9
3 x 2 + 3 = 9
Answer:
The image is blurry.
Step-by-step explanation:
Trata 5-29+-5=21 porque ya as tenido este
