If you put it into your calculator by pressing the COS button and then typing in 105, you get -0.258819045...
2x-y=8...(1)
x+y=7....(2)
from (2)
y=7-x....(3)
put (3) into (1)
2x-(7-x)=8
2x-7+x=8
2x+x=8+7
3x=15
x=5.....(4)
put (4) into (2)
x+y=7
5+y=7
y=7-5
y=2
Hope it helps c:
1. Height and weight 2. As height increases weight increases
Answer:
5
Step-by-step explanation:
135/3 = 45
45/3 = 15
15/3= 5
hope this helps! please mark brainliest :)
