-0.5 n^2=-18
n^2= 36
n= sqrt (36)=6 or -6
Hope this can help.
Answer:
11 1/5 ÷ 2 2/3= 4.2
Step-by-step explanation:
The answer to the problem is D
Well there’s 180° in one triangle. a right angle is 90°. 2x+3x+90=180. 5x=90 divide by five, x=18°
I guess so, no wait no it’s not jk lol