Answer:
Step-by-step explanation:
y=kx
4=k(-2)
k=-2
y=-2x
when x=30
y=-2*30=-60
Answer:
- 28
Step-by-step explanation:
Plug in 7 for x
5 + 7 - 5 x 8
5 + 7 - 40
12 - 40
-28
Answer:
negative correlation on Edg
Step-by-step explanation:
Answer:
x=13
Step-by-step explanation:
Cos (x) = adj/hyp
cos (x) = 13/25
x = cos⁻¹(13/25)
x= 58.7° (nearest tenth)