Answer:
-10
Step-by-step explanation:
Answer:
Use trig
Step-by-step explanation:
sin(55) = x/21
x = 21sin(55)
use calculator in degree mode
cos(55) = y/21
21cos(55) = y
Answer:
A=50
Step-by-step explanation:
assuming you mean 100-A+20-70=0
you need to solve for A, which means add all your numbers together and isolate A.
-A+50=0
A=50
Answer:
-1 is the next one ithink
So i believe you need to round the whole number, if so than 8 * 3 = 24 and 20 * 3 = 60
