Answer:
Step-by-step explanation:
is it a exam question?
3x+5y=-20
5y=-20divide
the answer is x=-4
3x=-20 divide
the answer is y=-20
Answer: 7pi
Step-by-step explanation: If it completes the circumference distance (14pi) of the circle in 20 seconds, in 10 seconds it will complete half of that. or 7pi. Hope this helped!
x2=3
x1=2
y=10