Answer:
20. 4n+5+8n-5=180(linear pair)
12n=180
n=15
21. 9x-6=8.5x+2(can be seen from image)
9x-8.5x=2+6
0.5x=8
x=8/0.5
x=80/5
x=16
22. 4z+3z+6=90°(Complementary)
7z+6=90°
7z=84°
z=12°
Answer:
Step-by-step explanation:
It appears i cant answer your question but what i can do is provide this paragraph as a trade for points. Appreciate your help. :)
Answer:
it would be 0.3 with bar notation
Step-by-step explanation:
Do you mean as a decimal? 11.8
I think it’s 3 times because 2*3=6 and 4*3=12 and 6*3=18
