Answer:
-1.25x-5
Step-by-step explanation:
Answer: length: 7cm
width:4cm
Step-by-step explanation:
Area: L × W
7×4=28
Perimeter =L±L+W+W
7+7+4+4=22
Answer:
See below
Step-by-step explanation:
The interval must be chosen so that the function is one-to-one, and the sine and cosine functions are not one-to-one on the same intervals.
-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60
-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5
-2x=-6 so x=3
y=11 and x=3
